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Database: PDB
Entry: 2HTL
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Original site: 2HTL 
HEADER    MEMBRANE PROTEIN                        26-JUL-06   2HTL              
TITLE     STRUCTURE OF THE ESCHERICHIA COLI CLC CHLORIDE CHANNEL Y445F MUTANT   
TITLE    2 AND FAB COMPLEX                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: H(+)/CL(-) EXCHANGE TRANSPORTER CLCA;                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: 1ECCLC H+/CL- ANTIPORTER; CLC-EC1;                          
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: FAB FRAGMENT, HEAVY CHAIN;                                 
COMPND   9 CHAIN: C, E;                                                         
COMPND  10 MOL_ID: 3;                                                           
COMPND  11 MOLECULE: FAB FRAGMENT, LIGHT CHAIN;                                 
COMPND  12 CHAIN: D, F                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: CLCA, ERIC;                                                    
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21DE3;                                   
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET 28B+;                                 
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE  12 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE  13 ORGANISM_TAXID: 10090;                                               
SOURCE  14 CELL_LINE: HYBRIDOMA CELL LINE;                                      
SOURCE  15 MOL_ID: 3;                                                           
SOURCE  16 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE  17 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE  18 ORGANISM_TAXID: 10090;                                               
SOURCE  19 CELL_LINE: HYBRIDOMA CELL LINE                                       
KEYWDS    CLC FAMILY OF CHANNEL AND TRANSPORTERS, H+/CL- ANTIPORTER, MEMBRANE   
KEYWDS   2 PROTEIN, FAB COMPLEX                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.ACCARDI,S.LOBET,C.WILLIAMS,C.MILLER,R.DUTZLER                       
REVDAT   3   20-OCT-21 2HTL    1       REMARK SEQADV                            
REVDAT   2   24-FEB-09 2HTL    1       VERSN                                    
REVDAT   1   19-SEP-06 2HTL    0                                                
JRNL        AUTH   A.ACCARDI,S.LOBET,C.WILLIAMS,C.MILLER,R.DUTZLER              
JRNL        TITL   SYNERGISM BETWEEN HALIDE BINDING AND PROTON TRANSPORT IN A   
JRNL        TITL 2 CLC-TYPE EXCHANGER.                                          
JRNL        REF    J.MOL.BIOL.                   V. 362   691 2006              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   16949616                                                     
JRNL        DOI    10.1016/J.JMB.2006.07.081                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 37989                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.262                           
REMARK   3   R VALUE            (WORKING SET) : 0.259                           
REMARK   3   FREE R VALUE                     : 0.302                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2040                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 3.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.49                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2730                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.37                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4000                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 159                          
REMARK   3   BIN FREE R VALUE                    : 0.4280                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 13221                                   
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 95.01                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 124.7                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.19000                                             
REMARK   3    B22 (A**2) : 1.27000                                              
REMARK   3    B33 (A**2) : -0.28000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.60000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.556         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.618         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.909                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.892                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A): 13549 ; 0.009 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES): 18448 ; 1.189 ; 1.961       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  1743 ; 5.375 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   479 ;34.394 ;22.985       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  2145 ;18.890 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    67 ;17.093 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  2121 ; 0.075 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A): 10077 ; 0.003 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  7337 ; 0.236 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  9321 ; 0.308 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   458 ; 0.140 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    21 ; 0.162 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  8655 ;18.656 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 13908 ;25.539 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  4894 ; 1.980 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  4540 ; 2.340 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : 1                                 
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 1                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 1                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A     18       A     458      5                      
REMARK   3           1     B     18       B     458      5                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   MEDIUM POSITIONAL  1    A    (A):   1764 ;  0.03 ;  0.50           
REMARK   3   LOOSE POSITIONAL   1    A    (A):   1539 ;  0.42 ;  5.00           
REMARK   3   MEDIUM THERMAL     1    A (A**2):   1764 ; 14.74 ;  2.00           
REMARK   3   LOOSE THERMAL      1    A (A**2):   1539 ; 15.72 ; 10.00           
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2HTL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-AUG-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000038745.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-FEB-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9193                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 37989                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.08100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 67.64                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 39% PEG 300, 50MM TRIS, 150MM NAKTART,   
REMARK 280  PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000      116.26250            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       49.43000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000      116.26250            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       49.43000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: HEXAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F                      
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     THR A     3                                                      
REMARK 465     ASP A     4                                                      
REMARK 465     THR A     5                                                      
REMARK 465     PRO A     6                                                      
REMARK 465     SER A     7                                                      
REMARK 465     LEU A     8                                                      
REMARK 465     GLU A     9                                                      
REMARK 465     THR A    10                                                      
REMARK 465     PRO A    11                                                      
REMARK 465     GLN A    12                                                      
REMARK 465     ALA A    13                                                      
REMARK 465     ALA A    14                                                      
REMARK 465     ARG A    15                                                      
REMARK 465     LEU A    16                                                      
REMARK 465     LEU A   461                                                      
REMARK 465     ALA A   462                                                      
REMARK 465     ARG A   463                                                      
REMARK 465     SER A   464                                                      
REMARK 465     LYS A   465                                                      
REMARK 465     ALA A   466                                                      
REMARK 465     ALA A   467                                                      
REMARK 465     SER A   468                                                      
REMARK 465     ALA A   469                                                      
REMARK 465     SER A   470                                                      
REMARK 465     GLU A   471                                                      
REMARK 465     ASN A   472                                                      
REMARK 465     THR A   473                                                      
REMARK 465     MET B     1                                                      
REMARK 465     LYS B     2                                                      
REMARK 465     THR B     3                                                      
REMARK 465     ASP B     4                                                      
REMARK 465     THR B     5                                                      
REMARK 465     PRO B     6                                                      
REMARK 465     SER B     7                                                      
REMARK 465     LEU B     8                                                      
REMARK 465     GLU B     9                                                      
REMARK 465     THR B    10                                                      
REMARK 465     PRO B    11                                                      
REMARK 465     GLN B    12                                                      
REMARK 465     ALA B    13                                                      
REMARK 465     ALA B    14                                                      
REMARK 465     ARG B    15                                                      
REMARK 465     LEU B    16                                                      
REMARK 465     ARG B    17                                                      
REMARK 465     GLU B   459                                                      
REMARK 465     GLN B   460                                                      
REMARK 465     LEU B   461                                                      
REMARK 465     ALA B   462                                                      
REMARK 465     ARG B   463                                                      
REMARK 465     SER B   464                                                      
REMARK 465     LYS B   465                                                      
REMARK 465     ALA B   466                                                      
REMARK 465     ALA B   467                                                      
REMARK 465     SER B   468                                                      
REMARK 465     ALA B   469                                                      
REMARK 465     SER B   470                                                      
REMARK 465     GLU B   471                                                      
REMARK 465     ASN B   472                                                      
REMARK 465     THR B   473                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    LYS E  19   CE    LYS E  19   NZ      0.154                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A  73     -107.82    -82.14                                   
REMARK 500    ASN A  74       92.16    -20.67                                   
REMARK 500    ALA A 101       88.27   -168.39                                   
REMARK 500    SER A 107      -76.59    -72.17                                   
REMARK 500    VAL A 122       73.75   -109.24                                   
REMARK 500    ARG A 126      -61.43    -98.57                                   
REMARK 500    GLU A 202      -21.98   -144.52                                   
REMARK 500    GLU A 203      -56.52   -135.49                                   
REMARK 500    PHE A 307      -41.18   -131.37                                   
REMARK 500    ALA A 309       68.62   -170.24                                   
REMARK 500    SER A 313     -169.22   -101.57                                   
REMARK 500    ALA A 404       77.25   -118.84                                   
REMARK 500    PRO A 443      108.23    -51.30                                   
REMARK 500    ASP B  73     -104.45    -85.93                                   
REMARK 500    ASN B  74       96.38    -25.52                                   
REMARK 500    ALA B 101       90.54   -164.73                                   
REMARK 500    SER B 107      -79.14    -67.40                                   
REMARK 500    ASP B 118       15.55     59.50                                   
REMARK 500    VAL B 122       73.54   -108.97                                   
REMARK 500    LEU B 128      -70.30    -36.33                                   
REMARK 500    PHE B 132      -73.54    -42.80                                   
REMARK 500    GLU B 202      -24.31   -142.54                                   
REMARK 500    GLU B 203      -55.55   -134.94                                   
REMARK 500    PHE B 219      -70.22    -47.51                                   
REMARK 500    PHE B 307      -43.65   -132.03                                   
REMARK 500    ALA B 309       67.96   -168.49                                   
REMARK 500    ALA B 386      -38.24    -39.78                                   
REMARK 500    PRO B 443      106.57    -52.57                                   
REMARK 500    SER C  30     -172.60    -67.31                                   
REMARK 500    ARG C  31      -30.06     64.51                                   
REMARK 500    SER C  55       22.37     45.20                                   
REMARK 500    PRO C  62       90.27    -42.90                                   
REMARK 500    LYS C  67      -70.20    -47.88                                   
REMARK 500    THR C  91       98.17    -57.32                                   
REMARK 500    ASP C 109      -77.51    -58.75                                   
REMARK 500    ALA C 140       93.39    -66.16                                   
REMARK 500    ALA C 141     -138.65    -81.21                                   
REMARK 500    LEU C 146     -155.96   -110.83                                   
REMARK 500    ALA C 180       54.34     29.88                                   
REMARK 500    SER D  27     -154.92   -151.05                                   
REMARK 500    TYR D  31       70.72     44.48                                   
REMARK 500    TRP D  46      -64.94   -105.02                                   
REMARK 500    THR D  50      -25.37     61.41                                   
REMARK 500    SER D  51      -10.61   -152.82                                   
REMARK 500    SER D  62      141.58   -177.16                                   
REMARK 500    SER D  64     -165.01   -172.29                                   
REMARK 500    THR D  76       95.84     63.10                                   
REMARK 500    GLU D  80       17.98    -63.20                                   
REMARK 500    ALA D  83     -156.09   -156.87                                   
REMARK 500    TRP D  90       31.97   -149.60                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      90 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR A 474                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR A 475                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR B 474                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR B 475                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1OTS   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ESCHERICHIA COLI CLC CHLORIDE CHANNEL AND FAB       
REMARK 900 COMPLEX                                                              
REMARK 900 RELATED ID: 2HT2   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ESCHERICHIA COLI CLC CHLORIDE CHANNEL Y445H MUTANT  
REMARK 900 AND FAB COMPLEX                                                      
REMARK 900 RELATED ID: 2HT3   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ESCHERICHIA COLI CLC CHLORIDE CHANNEL Y445L MUTANT  
REMARK 900 AND FAB COMPLEX                                                      
REMARK 900 RELATED ID: 2HT4   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ESCHERICHIA COLI CLC CHLORIDE CHANNEL Y445W MUTANT  
REMARK 900 AND FAB COMPLEX                                                      
REMARK 900 RELATED ID: 2HTK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ESCHERICHIA COLI CLC CHLORIDE CHANNEL Y445A MUTANT  
REMARK 900 AND FAB COMPLEX                                                      
REMARK 900 RELATED ID: 2HLF   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ESCHERICHIA COLI CLC CHLORIDE CHANNEL Y445E MUTANT  
REMARK 900 AND FAB COMPLEX                                                      
DBREF  2HTL A    1   473  UNP    P37019   CLCA_ECOLI       1    473             
DBREF  2HTL B    1   473  UNP    P37019   CLCA_ECOLI       1    473             
DBREF  2HTL C    2   222  PDB    2HTL     2HTL             2    222             
DBREF  2HTL D    1   211  PDB    2HTL     2HTL             1    211             
DBREF  2HTL E    2   222  PDB    2HTL     2HTL             2    222             
DBREF  2HTL F    1   211  PDB    2HTL     2HTL             1    211             
SEQADV 2HTL PHE A  445  UNP  P37019    TYR   445 ENGINEERED MUTATION            
SEQADV 2HTL PHE B  445  UNP  P37019    TYR   445 ENGINEERED MUTATION            
SEQRES   1 A  473  MET LYS THR ASP THR PRO SER LEU GLU THR PRO GLN ALA          
SEQRES   2 A  473  ALA ARG LEU ARG ARG ARG GLN LEU ILE ARG GLN LEU LEU          
SEQRES   3 A  473  GLU ARG ASP LYS THR PRO LEU ALA ILE LEU PHE MET ALA          
SEQRES   4 A  473  ALA VAL VAL GLY THR LEU VAL GLY LEU ALA ALA VAL ALA          
SEQRES   5 A  473  PHE ASP LYS GLY VAL ALA TRP LEU GLN ASN GLN ARG MET          
SEQRES   6 A  473  GLY ALA LEU VAL HIS THR ALA ASP ASN TYR PRO LEU LEU          
SEQRES   7 A  473  LEU THR VAL ALA PHE LEU CYS SER ALA VAL LEU ALA MET          
SEQRES   8 A  473  PHE GLY TYR PHE LEU VAL ARG LYS TYR ALA PRO GLU ALA          
SEQRES   9 A  473  GLY GLY SER GLY ILE PRO GLU ILE GLU GLY ALA LEU GLU          
SEQRES  10 A  473  ASP GLN ARG PRO VAL ARG TRP TRP ARG VAL LEU PRO VAL          
SEQRES  11 A  473  LYS PHE PHE GLY GLY LEU GLY THR LEU GLY GLY GLY MET          
SEQRES  12 A  473  VAL LEU GLY ARG GLU GLY PRO THR VAL GLN ILE GLY GLY          
SEQRES  13 A  473  ASN ILE GLY ARG MET VAL LEU ASP ILE PHE ARG LEU LYS          
SEQRES  14 A  473  GLY ASP GLU ALA ARG HIS THR LEU LEU ALA THR GLY ALA          
SEQRES  15 A  473  ALA ALA GLY LEU ALA ALA ALA PHE ASN ALA PRO LEU ALA          
SEQRES  16 A  473  GLY ILE LEU PHE ILE ILE GLU GLU MET ARG PRO GLN PHE          
SEQRES  17 A  473  ARG TYR THR LEU ILE SER ILE LYS ALA VAL PHE ILE GLY          
SEQRES  18 A  473  VAL ILE MET SER THR ILE MET TYR ARG ILE PHE ASN HIS          
SEQRES  19 A  473  GLU VAL ALA LEU ILE ASP VAL GLY LYS LEU SER ASP ALA          
SEQRES  20 A  473  PRO LEU ASN THR LEU TRP LEU TYR LEU ILE LEU GLY ILE          
SEQRES  21 A  473  ILE PHE GLY ILE PHE GLY PRO ILE PHE ASN LYS TRP VAL          
SEQRES  22 A  473  LEU GLY MET GLN ASP LEU LEU HIS ARG VAL HIS GLY GLY          
SEQRES  23 A  473  ASN ILE THR LYS TRP VAL LEU MET GLY GLY ALA ILE GLY          
SEQRES  24 A  473  GLY LEU CYS GLY LEU LEU GLY PHE VAL ALA PRO ALA THR          
SEQRES  25 A  473  SER GLY GLY GLY PHE ASN LEU ILE PRO ILE ALA THR ALA          
SEQRES  26 A  473  GLY ASN PHE SER MET GLY MET LEU VAL PHE ILE PHE VAL          
SEQRES  27 A  473  ALA ARG VAL ILE THR THR LEU LEU CYS PHE SER SER GLY          
SEQRES  28 A  473  ALA PRO GLY GLY ILE PHE ALA PRO MET LEU ALA LEU GLY          
SEQRES  29 A  473  THR VAL LEU GLY THR ALA PHE GLY MET VAL ALA VAL GLU          
SEQRES  30 A  473  LEU PHE PRO GLN TYR HIS LEU GLU ALA GLY THR PHE ALA          
SEQRES  31 A  473  ILE ALA GLY MET GLY ALA LEU LEU ALA ALA SER ILE ARG          
SEQRES  32 A  473  ALA PRO LEU THR GLY ILE ILE LEU VAL LEU GLU MET THR          
SEQRES  33 A  473  ASP ASN TYR GLN LEU ILE LEU PRO MET ILE ILE THR GLY          
SEQRES  34 A  473  LEU GLY ALA THR LEU LEU ALA GLN PHE THR GLY GLY LYS          
SEQRES  35 A  473  PRO LEU PHE SER ALA ILE LEU ALA ARG THR LEU ALA LYS          
SEQRES  36 A  473  GLN GLU ALA GLU GLN LEU ALA ARG SER LYS ALA ALA SER          
SEQRES  37 A  473  ALA SER GLU ASN THR                                          
SEQRES   1 B  473  MET LYS THR ASP THR PRO SER LEU GLU THR PRO GLN ALA          
SEQRES   2 B  473  ALA ARG LEU ARG ARG ARG GLN LEU ILE ARG GLN LEU LEU          
SEQRES   3 B  473  GLU ARG ASP LYS THR PRO LEU ALA ILE LEU PHE MET ALA          
SEQRES   4 B  473  ALA VAL VAL GLY THR LEU VAL GLY LEU ALA ALA VAL ALA          
SEQRES   5 B  473  PHE ASP LYS GLY VAL ALA TRP LEU GLN ASN GLN ARG MET          
SEQRES   6 B  473  GLY ALA LEU VAL HIS THR ALA ASP ASN TYR PRO LEU LEU          
SEQRES   7 B  473  LEU THR VAL ALA PHE LEU CYS SER ALA VAL LEU ALA MET          
SEQRES   8 B  473  PHE GLY TYR PHE LEU VAL ARG LYS TYR ALA PRO GLU ALA          
SEQRES   9 B  473  GLY GLY SER GLY ILE PRO GLU ILE GLU GLY ALA LEU GLU          
SEQRES  10 B  473  ASP GLN ARG PRO VAL ARG TRP TRP ARG VAL LEU PRO VAL          
SEQRES  11 B  473  LYS PHE PHE GLY GLY LEU GLY THR LEU GLY GLY GLY MET          
SEQRES  12 B  473  VAL LEU GLY ARG GLU GLY PRO THR VAL GLN ILE GLY GLY          
SEQRES  13 B  473  ASN ILE GLY ARG MET VAL LEU ASP ILE PHE ARG LEU LYS          
SEQRES  14 B  473  GLY ASP GLU ALA ARG HIS THR LEU LEU ALA THR GLY ALA          
SEQRES  15 B  473  ALA ALA GLY LEU ALA ALA ALA PHE ASN ALA PRO LEU ALA          
SEQRES  16 B  473  GLY ILE LEU PHE ILE ILE GLU GLU MET ARG PRO GLN PHE          
SEQRES  17 B  473  ARG TYR THR LEU ILE SER ILE LYS ALA VAL PHE ILE GLY          
SEQRES  18 B  473  VAL ILE MET SER THR ILE MET TYR ARG ILE PHE ASN HIS          
SEQRES  19 B  473  GLU VAL ALA LEU ILE ASP VAL GLY LYS LEU SER ASP ALA          
SEQRES  20 B  473  PRO LEU ASN THR LEU TRP LEU TYR LEU ILE LEU GLY ILE          
SEQRES  21 B  473  ILE PHE GLY ILE PHE GLY PRO ILE PHE ASN LYS TRP VAL          
SEQRES  22 B  473  LEU GLY MET GLN ASP LEU LEU HIS ARG VAL HIS GLY GLY          
SEQRES  23 B  473  ASN ILE THR LYS TRP VAL LEU MET GLY GLY ALA ILE GLY          
SEQRES  24 B  473  GLY LEU CYS GLY LEU LEU GLY PHE VAL ALA PRO ALA THR          
SEQRES  25 B  473  SER GLY GLY GLY PHE ASN LEU ILE PRO ILE ALA THR ALA          
SEQRES  26 B  473  GLY ASN PHE SER MET GLY MET LEU VAL PHE ILE PHE VAL          
SEQRES  27 B  473  ALA ARG VAL ILE THR THR LEU LEU CYS PHE SER SER GLY          
SEQRES  28 B  473  ALA PRO GLY GLY ILE PHE ALA PRO MET LEU ALA LEU GLY          
SEQRES  29 B  473  THR VAL LEU GLY THR ALA PHE GLY MET VAL ALA VAL GLU          
SEQRES  30 B  473  LEU PHE PRO GLN TYR HIS LEU GLU ALA GLY THR PHE ALA          
SEQRES  31 B  473  ILE ALA GLY MET GLY ALA LEU LEU ALA ALA SER ILE ARG          
SEQRES  32 B  473  ALA PRO LEU THR GLY ILE ILE LEU VAL LEU GLU MET THR          
SEQRES  33 B  473  ASP ASN TYR GLN LEU ILE LEU PRO MET ILE ILE THR GLY          
SEQRES  34 B  473  LEU GLY ALA THR LEU LEU ALA GLN PHE THR GLY GLY LYS          
SEQRES  35 B  473  PRO LEU PHE SER ALA ILE LEU ALA ARG THR LEU ALA LYS          
SEQRES  36 B  473  GLN GLU ALA GLU GLN LEU ALA ARG SER LYS ALA ALA SER          
SEQRES  37 B  473  ALA SER GLU ASN THR                                          
SEQRES   1 C  221  VAL ARG LEU LEU GLU SER GLY GLY GLY LEU VAL GLN PRO          
SEQRES   2 C  221  GLY GLY SER LEU LYS LEU SER CYS ALA ALA SER GLY PHE          
SEQRES   3 C  221  ASP TYR SER ARG TYR TRP MET SER TRP VAL ARG GLN ALA          
SEQRES   4 C  221  PRO GLY LYS GLY LEU LYS TRP ILE GLY GLU ILE ASN PRO          
SEQRES   5 C  221  VAL SER SER THR ILE ASN TYR THR PRO SER LEU LYS ASP          
SEQRES   6 C  221  LYS PHE ILE ILE SER ARG ASP ASN ALA LYS ASP THR LEU          
SEQRES   7 C  221  TYR LEU GLN ILE SER LYS VAL ARG SER GLU ASP THR ALA          
SEQRES   8 C  221  LEU TYR TYR CYS ALA ARG LEU TYR TYR GLY TYR GLY TYR          
SEQRES   9 C  221  TRP TYR PHE ASP VAL TRP GLY ALA GLY THR THR VAL THR          
SEQRES  10 C  221  VAL SER SER ALA LYS THR THR PRO PRO SER VAL TYR PRO          
SEQRES  11 C  221  LEU ALA PRO GLY SER ALA ALA ALA ALA ALA SER MET VAL          
SEQRES  12 C  221  THR LEU GLY CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO          
SEQRES  13 C  221  VAL THR VAL THR TRP ASN SER GLY SER LEU ALA ALA GLY          
SEQRES  14 C  221  VAL HIS THR PHE PRO ALA VAL LEU GLN ALA ALA LEU TYR          
SEQRES  15 C  221  THR LEU SER SER SER VAL THR VAL PRO SER SER SER TRP          
SEQRES  16 C  221  PRO SER GLU THR VAL THR CYS ASN VAL ALA HIS PRO ALA          
SEQRES  17 C  221  SER SER THR LYS VAL ASP LYS LYS ILE VAL PRO ARG ALA          
SEQRES   1 D  211  ASP ILE VAL LEU THR GLN SER PRO ALA ILE MET SER ALA          
SEQRES   2 D  211  ALA PRO GLY ASP LYS VAL THR MET THR CYS SER ALA SER          
SEQRES   3 D  211  SER SER VAL SER TYR ILE HIS TRP TYR GLN GLN LYS SER          
SEQRES   4 D  211  GLY THR SER PRO LYS ARG TRP ILE TYR ASP THR SER LYS          
SEQRES   5 D  211  LEU THR SER GLY VAL PRO VAL ARG PHE SER GLY SER GLY          
SEQRES   6 D  211  SER GLY THR SER TYR SER LEU THR ILE ASN THR MET GLU          
SEQRES   7 D  211  ALA GLU ASP ALA ALA THR TYR TYR CYS GLN GLN TRP SER          
SEQRES   8 D  211  SER HIS PRO GLN THR PHE GLY GLY GLY THR LYS LEU GLU          
SEQRES   9 D  211  ILE LEU ARG ALA ASP ALA ALA PRO THR VAL SER ILE PHE          
SEQRES  10 D  211  PRO PRO SER SER GLU GLN LEU THR SER GLY GLY ALA SER          
SEQRES  11 D  211  VAL VAL CYS PHE LEU ASN ASN PHE TYR PRO LYS ASP ILE          
SEQRES  12 D  211  ASN VAL LYS TRP LYS ILE ASP GLY SER GLU ARG GLN ASN          
SEQRES  13 D  211  GLY VAL LEU ASN SER TRP THR ASP GLN ASP SER LYS ASP          
SEQRES  14 D  211  SER THR TYR SER MET SER SER THR LEU THR LEU THR LYS          
SEQRES  15 D  211  ASP GLU TYR GLU ARG HIS ASN SER TYR THR CYS GLU ALA          
SEQRES  16 D  211  THR HIS LYS THR SER THR SER PRO ILE VAL LYS SER PHE          
SEQRES  17 D  211  ASN ARG ALA                                                  
SEQRES   1 E  221  VAL ARG LEU LEU GLU SER GLY GLY GLY LEU VAL GLN PRO          
SEQRES   2 E  221  GLY GLY SER LEU LYS LEU SER CYS ALA ALA SER GLY PHE          
SEQRES   3 E  221  ASP TYR SER ARG TYR TRP MET SER TRP VAL ARG GLN ALA          
SEQRES   4 E  221  PRO GLY LYS GLY LEU LYS TRP ILE GLY GLU ILE ASN PRO          
SEQRES   5 E  221  VAL SER SER THR ILE ASN TYR THR PRO SER LEU LYS ASP          
SEQRES   6 E  221  LYS PHE ILE ILE SER ARG ASP ASN ALA LYS ASP THR LEU          
SEQRES   7 E  221  TYR LEU GLN ILE SER LYS VAL ARG SER GLU ASP THR ALA          
SEQRES   8 E  221  LEU TYR TYR CYS ALA ARG LEU TYR TYR GLY TYR GLY TYR          
SEQRES   9 E  221  TRP TYR PHE ASP VAL TRP GLY ALA GLY THR THR VAL THR          
SEQRES  10 E  221  VAL SER SER ALA LYS THR THR PRO PRO SER VAL TYR PRO          
SEQRES  11 E  221  LEU ALA PRO GLY SER ALA ALA ALA ALA ALA SER MET VAL          
SEQRES  12 E  221  THR LEU GLY CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO          
SEQRES  13 E  221  VAL THR VAL THR TRP ASN SER GLY SER LEU ALA ALA GLY          
SEQRES  14 E  221  VAL HIS THR PHE PRO ALA VAL LEU GLN ALA ALA LEU TYR          
SEQRES  15 E  221  THR LEU SER SER SER VAL THR VAL PRO SER SER SER TRP          
SEQRES  16 E  221  PRO SER GLU THR VAL THR CYS ASN VAL ALA HIS PRO ALA          
SEQRES  17 E  221  SER SER THR LYS VAL ASP LYS LYS ILE VAL PRO ARG ALA          
SEQRES   1 F  211  ASP ILE VAL LEU THR GLN SER PRO ALA ILE MET SER ALA          
SEQRES   2 F  211  ALA PRO GLY ASP LYS VAL THR MET THR CYS SER ALA SER          
SEQRES   3 F  211  SER SER VAL SER TYR ILE HIS TRP TYR GLN GLN LYS SER          
SEQRES   4 F  211  GLY THR SER PRO LYS ARG TRP ILE TYR ASP THR SER LYS          
SEQRES   5 F  211  LEU THR SER GLY VAL PRO VAL ARG PHE SER GLY SER GLY          
SEQRES   6 F  211  SER GLY THR SER TYR SER LEU THR ILE ASN THR MET GLU          
SEQRES   7 F  211  ALA GLU ASP ALA ALA THR TYR TYR CYS GLN GLN TRP SER          
SEQRES   8 F  211  SER HIS PRO GLN THR PHE GLY GLY GLY THR LYS LEU GLU          
SEQRES   9 F  211  ILE LEU ARG ALA ASP ALA ALA PRO THR VAL SER ILE PHE          
SEQRES  10 F  211  PRO PRO SER SER GLU GLN LEU THR SER GLY GLY ALA SER          
SEQRES  11 F  211  VAL VAL CYS PHE LEU ASN ASN PHE TYR PRO LYS ASP ILE          
SEQRES  12 F  211  ASN VAL LYS TRP LYS ILE ASP GLY SER GLU ARG GLN ASN          
SEQRES  13 F  211  GLY VAL LEU ASN SER TRP THR ASP GLN ASP SER LYS ASP          
SEQRES  14 F  211  SER THR TYR SER MET SER SER THR LEU THR LEU THR LYS          
SEQRES  15 F  211  ASP GLU TYR GLU ARG HIS ASN SER TYR THR CYS GLU ALA          
SEQRES  16 F  211  THR HIS LYS THR SER THR SER PRO ILE VAL LYS SER PHE          
SEQRES  17 F  211  ASN ARG ALA                                                  
HET     BR  A 474       1                                                       
HET     BR  A 475       1                                                       
HET     BR  B 474       1                                                       
HET     BR  B 475       1                                                       
HETNAM      BR BROMIDE ION                                                      
FORMUL   7   BR    4(BR 1-)                                                     
HELIX    1   1 ARG A   17  LEU A   26  1                                  10    
HELIX    2   2 PRO A   32  THR A   71  1                                  40    
HELIX    3   3 ASN A   74  ALA A  101  1                                  28    
HELIX    4   4 PRO A  102  GLY A  105  5                                   4    
HELIX    5   5 GLY A  108  GLU A  117  1                                  10    
HELIX    6   6 ARG A  123  GLY A  141  1                                  19    
HELIX    7   7 ARG A  147  PHE A  166  1                                  20    
HELIX    8   8 GLY A  170  ASN A  191  1                                  22    
HELIX    9   9 ALA A  192  ILE A  201  1                                  10    
HELIX   10  10 SER A  214  HIS A  234  1                                  21    
HELIX   11  11 PRO A  248  THR A  251  5                                   4    
HELIX   12  12 LEU A  252  GLY A  285  1                                  34    
HELIX   13  13 ASN A  287  ALA A  309  1                                  23    
HELIX   14  14 ASN A  318  ALA A  325  1                                   8    
HELIX   15  15 SER A  329  SER A  349  1                                  21    
HELIX   16  16 ILE A  356  PHE A  379  1                                  24    
HELIX   17  17 PRO A  380  HIS A  383  5                                   4    
HELIX   18  18 GLU A  385  GLY A  395  1                                  11    
HELIX   19  19 GLY A  395  SER A  401  1                                   7    
HELIX   20  20 ALA A  404  ASP A  417  1                                  14    
HELIX   21  21 ASN A  418  GLN A  420  5                                   3    
HELIX   22  22 LEU A  421  PHE A  438  1                                  18    
HELIX   23  23 PRO A  443  ALA A  458  1                                  16    
HELIX   24  24 ARG B   18  LEU B   26  1                                   9    
HELIX   25  25 PRO B   32  THR B   71  1                                  40    
HELIX   26  26 ASN B   74  ALA B  101  1                                  28    
HELIX   27  27 PRO B  102  GLY B  105  5                                   4    
HELIX   28  28 GLY B  108  GLU B  117  1                                  10    
HELIX   29  29 ARG B  123  GLY B  141  1                                  19    
HELIX   30  30 ARG B  147  PHE B  166  1                                  20    
HELIX   31  31 GLY B  170  ALA B  188  1                                  19    
HELIX   32  32 ALA B  192  ILE B  201  1                                  10    
HELIX   33  33 SER B  214  HIS B  234  1                                  21    
HELIX   34  34 PRO B  248  ASN B  250  5                                   3    
HELIX   35  35 THR B  251  GLY B  285  1                                  35    
HELIX   36  36 ASN B  287  ALA B  309  1                                  23    
HELIX   37  37 ASN B  318  ALA B  325  1                                   8    
HELIX   38  38 SER B  329  SER B  349  1                                  21    
HELIX   39  39 ILE B  356  PHE B  379  1                                  24    
HELIX   40  40 PRO B  380  HIS B  383  5                                   4    
HELIX   41  41 GLU B  385  GLY B  395  1                                  11    
HELIX   42  42 GLY B  395  SER B  401  1                                   7    
HELIX   43  43 ALA B  404  ASP B  417  1                                  14    
HELIX   44  44 ASN B  418  GLN B  420  5                                   3    
HELIX   45  45 LEU B  421  PHE B  438  1                                  18    
HELIX   46  46 PRO B  443  ALA B  458  1                                  16    
HELIX   47  47 SER C  164  SER C  166  5                                   3    
HELIX   48  48 SER C  194  TRP C  196  5                                   3    
HELIX   49  49 PRO C  208  SER C  211  5                                   4    
HELIX   50  50 GLU D   78  ALA D   82  5                                   5    
HELIX   51  51 SER D  120  THR D  125  1                                   6    
HELIX   52  52 LYS D  182  ARG D  187  1                                   6    
HELIX   53  53 ASN E   74  LYS E   76  5                                   3    
HELIX   54  54 ARG E   87  THR E   91  5                                   5    
HELIX   55  55 SER E  164  SER E  166  5                                   3    
HELIX   56  56 SER E  194  TRP E  196  5                                   3    
HELIX   57  57 PRO E  208  SER E  211  5                                   4    
HELIX   58  58 GLU F   78  ALA F   82  5                                   5    
HELIX   59  59 SER F  120  THR F  125  1                                   6    
HELIX   60  60 LYS F  182  ARG F  187  1                                   6    
SHEET    1   A 4 ARG C   3  SER C   7  0                                        
SHEET    2   A 4 LEU C  18  SER C  25 -1  O  SER C  25   N  ARG C   3           
SHEET    3   A 4 THR C  78  ILE C  83 -1  O  LEU C  79   N  CYS C  22           
SHEET    4   A 4 PHE C  68  ASP C  73 -1  N  SER C  71   O  TYR C  80           
SHEET    1   B 6 LEU C  11  VAL C  12  0                                        
SHEET    2   B 6 THR C 115  VAL C 119  1  O  THR C 118   N  VAL C  12           
SHEET    3   B 6 ALA C  92  TYR C 100 -1  N  TYR C  94   O  THR C 115           
SHEET    4   B 6 TRP C  33  GLN C  39 -1  N  SER C  35   O  ALA C  97           
SHEET    5   B 6 LEU C  45  ILE C  51 -1  O  ILE C  51   N  MET C  34           
SHEET    6   B 6 ILE C  58  TYR C  60 -1  O  ASN C  59   N  GLU C  50           
SHEET    1   C 4 LEU C  11  VAL C  12  0                                        
SHEET    2   C 4 THR C 115  VAL C 119  1  O  THR C 118   N  VAL C  12           
SHEET    3   C 4 ALA C  92  TYR C 100 -1  N  TYR C  94   O  THR C 115           
SHEET    4   C 4 TYR C 107  TRP C 111 -1  O  TYR C 107   N  TYR C 100           
SHEET    1   D 4 SER C 128  PRO C 131  0                                        
SHEET    2   D 4 CYS C 148  TYR C 153 -1  O  LEU C 149   N  TYR C 130           
SHEET    3   D 4 LEU C 182  PRO C 192 -1  O  TYR C 183   N  TYR C 153           
SHEET    4   D 4 VAL C 171  THR C 173 -1  N  HIS C 172   O  SER C 188           
SHEET    1   E 3 MET C 143  THR C 145  0                                        
SHEET    2   E 3 LEU C 182  PRO C 192 -1  O  VAL C 191   N  VAL C 144           
SHEET    3   E 3 VAL C 177  GLN C 179 -1  N  GLN C 179   O  LEU C 182           
SHEET    1   F 3 THR C 159  TRP C 162  0                                        
SHEET    2   F 3 THR C 202  HIS C 207 -1  O  ALA C 206   N  THR C 159           
SHEET    3   F 3 THR C 212  LYS C 217 -1  O  VAL C 214   N  VAL C 205           
SHEET    1   G 3 LEU D   4  THR D   5  0                                        
SHEET    2   G 3 VAL D  19  VAL D  29 -1  O  SER D  24   N  THR D   5           
SHEET    3   G 3 PHE D  61  ILE D  74 -1  O  ILE D  74   N  VAL D  19           
SHEET    1   H 6 ILE D  10  ALA D  13  0                                        
SHEET    2   H 6 THR D 101  ILE D 105  1  O  GLU D 104   N  MET D  11           
SHEET    3   H 6 THR D  84  GLN D  89 -1  N  TYR D  85   O  THR D 101           
SHEET    4   H 6 HIS D  33  GLN D  37 -1  N  TYR D  35   O  TYR D  86           
SHEET    5   H 6 LYS D  44  TYR D  48 -1  O  ILE D  47   N  TRP D  34           
SHEET    6   H 6 LYS D  52  LEU D  53 -1  O  LYS D  52   N  TYR D  48           
SHEET    1   I 4 ILE D  10  ALA D  13  0                                        
SHEET    2   I 4 THR D 101  ILE D 105  1  O  GLU D 104   N  MET D  11           
SHEET    3   I 4 THR D  84  GLN D  89 -1  N  TYR D  85   O  THR D 101           
SHEET    4   I 4 THR D  96  PHE D  97 -1  O  THR D  96   N  GLN D  89           
SHEET    1   J 4 THR D 113  ILE D 116  0                                        
SHEET    2   J 4 GLY D 128  PHE D 138 -1  O  PHE D 134   N  SER D 115           
SHEET    3   J 4 TYR D 172  THR D 181 -1  O  LEU D 178   N  VAL D 131           
SHEET    4   J 4 VAL D 158  TRP D 162 -1  N  LEU D 159   O  THR D 177           
SHEET    1   K 4 SER D 152  ARG D 154  0                                        
SHEET    2   K 4 ILE D 143  ILE D 149 -1  N  TRP D 147   O  ARG D 154           
SHEET    3   K 4 SER D 190  HIS D 197 -1  O  THR D 192   N  LYS D 148           
SHEET    4   K 4 ILE D 204  ASN D 209 -1  O  PHE D 208   N  TYR D 191           
SHEET    1   L 4 ARG E   3  SER E   7  0                                        
SHEET    2   L 4 LEU E  18  SER E  25 -1  O  SER E  21   N  SER E   7           
SHEET    3   L 4 THR E  78  ILE E  83 -1  O  LEU E  81   N  LEU E  20           
SHEET    4   L 4 PHE E  68  ASP E  73 -1  N  ILE E  69   O  GLN E  82           
SHEET    1   M 6 GLY E  10  VAL E  12  0                                        
SHEET    2   M 6 THR E 115  VAL E 119  1  O  THR E 118   N  GLY E  10           
SHEET    3   M 6 ALA E  92  TYR E 101 -1  N  TYR E  94   O  THR E 115           
SHEET    4   M 6 MET E  34  GLN E  39 -1  N  VAL E  37   O  TYR E  95           
SHEET    5   M 6 LYS E  46  ILE E  51 -1  O  LYS E  46   N  ARG E  38           
SHEET    6   M 6 ILE E  58  TYR E  60 -1  O  ASN E  59   N  GLU E  50           
SHEET    1   N 4 GLY E  10  VAL E  12  0                                        
SHEET    2   N 4 THR E 115  VAL E 119  1  O  THR E 118   N  GLY E  10           
SHEET    3   N 4 ALA E  92  TYR E 101 -1  N  TYR E  94   O  THR E 115           
SHEET    4   N 4 TRP E 106  TRP E 111 -1  O  TYR E 107   N  TYR E 100           
SHEET    1   O 4 SER E 128  LEU E 132  0                                        
SHEET    2   O 4 MET E 143  TYR E 153 -1  O  LEU E 149   N  TYR E 130           
SHEET    3   O 4 TYR E 183  PRO E 192 -1  O  VAL E 189   N  LEU E 146           
SHEET    4   O 4 VAL E 171  THR E 173 -1  N  HIS E 172   O  SER E 188           
SHEET    1   P 4 SER E 128  LEU E 132  0                                        
SHEET    2   P 4 MET E 143  TYR E 153 -1  O  LEU E 149   N  TYR E 130           
SHEET    3   P 4 TYR E 183  PRO E 192 -1  O  VAL E 189   N  LEU E 146           
SHEET    4   P 4 VAL E 177  LEU E 178 -1  N  VAL E 177   O  THR E 184           
SHEET    1   Q 3 THR E 159  TRP E 162  0                                        
SHEET    2   Q 3 THR E 202  HIS E 207 -1  O  ASN E 204   N  THR E 161           
SHEET    3   Q 3 THR E 212  LYS E 217 -1  O  LYS E 216   N  CYS E 203           
SHEET    1   R 3 LEU F   4  GLN F   6  0                                        
SHEET    2   R 3 VAL F  19  VAL F  29 -1  O  SER F  24   N  THR F   5           
SHEET    3   R 3 PHE F  61  ILE F  74 -1  O  TYR F  70   N  CYS F  23           
SHEET    1   S 6 ILE F  10  ALA F  13  0                                        
SHEET    2   S 6 THR F 101  ILE F 105  1  O  GLU F 104   N  MET F  11           
SHEET    3   S 6 THR F  84  GLN F  89 -1  N  TYR F  85   O  THR F 101           
SHEET    4   S 6 HIS F  33  GLN F  37 -1  N  TYR F  35   O  TYR F  86           
SHEET    5   S 6 LYS F  44  TYR F  48 -1  O  TRP F  46   N  TRP F  34           
SHEET    6   S 6 LYS F  52  LEU F  53 -1  O  LYS F  52   N  TYR F  48           
SHEET    1   T 4 ILE F  10  ALA F  13  0                                        
SHEET    2   T 4 THR F 101  ILE F 105  1  O  GLU F 104   N  MET F  11           
SHEET    3   T 4 THR F  84  GLN F  89 -1  N  TYR F  85   O  THR F 101           
SHEET    4   T 4 THR F  96  PHE F  97 -1  O  THR F  96   N  GLN F  89           
SHEET    1   U 4 THR F 113  PHE F 117  0                                        
SHEET    2   U 4 GLY F 128  PHE F 138 -1  O  VAL F 132   N  PHE F 117           
SHEET    3   U 4 TYR F 172  THR F 181 -1  O  MET F 174   N  LEU F 135           
SHEET    4   U 4 VAL F 158  TRP F 162 -1  N  LEU F 159   O  THR F 177           
SHEET    1   V 4 SER F 152  ARG F 154  0                                        
SHEET    2   V 4 ILE F 143  ILE F 149 -1  N  TRP F 147   O  ARG F 154           
SHEET    3   V 4 SER F 190  HIS F 197 -1  O  GLU F 194   N  LYS F 146           
SHEET    4   V 4 SER F 200  ASN F 209 -1  O  ILE F 204   N  ALA F 195           
SSBOND   1 CYS C   22    CYS C   96                          1555   1555  2.05  
SSBOND   2 CYS C  148    CYS C  203                          1555   1555  2.04  
SSBOND   3 CYS D   23    CYS D   87                          1555   1555  2.04  
SSBOND   4 CYS D  133    CYS D  193                          1555   1555  2.04  
SSBOND   5 CYS E   22    CYS E   96                          1555   1555  2.07  
SSBOND   6 CYS E  148    CYS E  203                          1555   1555  2.04  
SSBOND   7 CYS F   23    CYS F   87                          1555   1555  2.06  
SSBOND   8 CYS F  133    CYS F  193                          1555   1555  2.04  
CISPEP   1 PHE C  154    PRO C  155          0        -7.28                     
CISPEP   2 GLU C  156    PRO C  157          0        -2.00                     
CISPEP   3 TRP C  196    PRO C  197          0        -6.30                     
CISPEP   4 HIS D   93    PRO D   94          0         3.59                     
CISPEP   5 TYR D  139    PRO D  140          0         0.92                     
CISPEP   6 PHE E  154    PRO E  155          0        -4.80                     
CISPEP   7 GLU E  156    PRO E  157          0        -6.52                     
CISPEP   8 TRP E  196    PRO E  197          0         3.30                     
CISPEP   9 HIS F   93    PRO F   94          0       -13.81                     
CISPEP  10 TYR F  139    PRO F  140          0         2.83                     
SITE     1 AC1  4 SER A 107  ILE A 109  PHE A 357  PHE A 445                    
SITE     1 AC2  2 SER A 107  PRO A 110                                          
SITE     1 AC3  6 SER B 107  ILE B 109  GLU B 148  GLY B 149                    
SITE     2 AC3  6 GLY B 355  ILE B 356                                          
SITE     1 AC4  4 SER B 107  GLY B 108  PRO B 110  PHE B 348                    
CRYST1  232.525   98.860  171.804  90.00 131.54  90.00 C 1 2 1       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.004301  0.000000  0.003810        0.00000                         
SCALE2      0.000000  0.010115  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007776        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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