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Database: PDB
Entry: 3E8B
LinkDB: 3E8B
Original site: 3E8B 
HEADER    MEMBRANE PROTEIN                        19-AUG-08   3E8B              
TITLE     CRYSTAL STRUCTURE OF THE THE OPEN NAK CHANNEL- RB+ COMPLEX            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: POTASSIUM CHANNEL PROTEIN;                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: TRANSMEMBRANE DOMAIN, RESIDUES 19-110;                     
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS;                                
SOURCE   3 ORGANISM_TAXID: 1396;                                                
SOURCE   4 ATCC: 14579;                                                         
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: SG13009;                                   
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PQE60                                     
KEYWDS    NON-SELECTIVE CATION CHANNEL, MEMBRANE PROTEIN, TETRAMERIC CATION     
KEYWDS   2 CHANNEL FAMILY, 2-TRANSMEMBRANE HELIX CHANNELS, IONIC CHANNEL        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.JIANG,A.ALAM                                                        
REVDAT   5   21-FEB-24 3E8B    1       REMARK SEQADV                            
REVDAT   4   25-OCT-17 3E8B    1       REMARK                                   
REVDAT   3   16-NOV-11 3E8B    1       VERSN  HETATM                            
REVDAT   2   20-JAN-09 3E8B    1       JRNL                                     
REVDAT   1   23-DEC-08 3E8B    0                                                
JRNL        AUTH   A.ALAM,Y.JIANG                                               
JRNL        TITL   STRUCTURAL ANALYSIS OF ION SELECTIVITY IN THE NAK CHANNEL    
JRNL        REF    NAT.STRUCT.MOL.BIOL.          V.  16    35 2009              
JRNL        REFN                   ISSN 1545-9993                               
JRNL        PMID   19098915                                                     
JRNL        DOI    10.1038/NSMB.1537                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.09                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 21522                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.220                           
REMARK   3   FREE R VALUE                     : 0.229                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1083                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1461                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 43                                      
REMARK   3   SOLVENT ATOMS            : 94                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 32.73                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.38400                                              
REMARK   3    B22 (A**2) : 0.38400                                              
REMARK   3    B33 (A**2) : -0.76700                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.476 ; 2.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.174 ; 3.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.954 ; 4.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.018 ; 5.000                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 132.5                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER.PARAM                                    
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : MPD.PAR                                        
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3E8B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-OCT-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000049001.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-BM                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21705                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
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) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
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: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.21                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM HEPES BUFFER, 55-70% (4S)-2        
REMARK 280  -METHYL-2,4-PENTANEDIOL (MPD), PH 7.5, VAPOR DIFFUSION, SITTING     
REMARK 280  DROP, TEMPERATURE 293K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4                              
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   -Y,X,Z                                                  
REMARK 290       4555   Y,-X,Z                                                  
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290       8555   Y+1/2,-X+1/2,Z+1/2                                      
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  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       34.06700            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       34.06700            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       44.67950            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       34.06700            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       34.06700            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       44.67950            
REMARK 290   SMTRY1   7  0.000000 -1.000000  0.000000       34.06700            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       34.06700            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       44.67950            
REMARK 290   SMTRY1   8  0.000000  1.000000  0.000000       34.06700            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000       34.06700            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       44.67950            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6880 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17290 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -57.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 350   BIOMT1   2 -1.000000  0.000000  0.000000      -68.13400            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      -68.13400            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000      -68.13400            
REMARK 350   BIOMT2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000      -68.13400            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7160 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18570 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -53.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
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 350   BIOMT1   2 -1.000000  0.000000  0.000000      -68.13400            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      -68.13400            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000      -68.13400            
REMARK 350   BIOMT2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000      -68.13400            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 RB    RB A   2  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB A   3  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB A   4  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB A   6  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB A   9  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB A  10  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB B   1  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB B   5  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB B   7  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB B   8  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB B  11  LIES ON A SPECIAL POSITION.                          
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     TRP A    19                                                      
REMARK 465     LYS A    20                                                      
REMARK 465     ASP A    21                                                      
REMARK 465     LYS A    22                                                      
REMARK 465     ARG A   114                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     TRP B  19    CG   CD1  CD2  NE1  CE2  CE3  CZ2                   
REMARK 470     TRP B  19    CZ3  CH2                                            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH B   539     O    HOH B   547              2.05            
REMARK 500   OH   TYR A    55     O    HOH A   543              2.06            
REMARK 500   O    HOH B   509     O    HOH B   529              2.07            
REMARK 500   NH1  ARG B   114     O    HOH B   541              2.10            
REMARK 500   O    HOH B   510     O    HOH B   546              2.13            
REMARK 500   O    HOH B   523     O    HOH B   545              2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    ASP B  66   C     GLY B  67   N      -0.184                       
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    ASN B  68      -38.30   -142.51                                   
REMARK 500    VAL B 102      -54.07   -124.63                                   
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 MPD A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 2                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 3                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 4                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 6                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 10                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB B 1                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB B 5                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB B 7                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB B 8                    
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3E83   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3E86   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3E89   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3E8F   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3E8G   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3E8H   RELATED DB: PDB                                   
DBREF  3E8B A   19   110  UNP    Q81HW2   Q81HW2_BACCR    19    110             
DBREF  3E8B B   19   110  UNP    Q81HW2   Q81HW2_BACCR    19    110             
SEQADV 3E8B LEU A  111  UNP  Q81HW2              EXPRESSION TAG                 
SEQADV 3E8B VAL A  112  UNP  Q81HW2              EXPRESSION TAG                 
SEQADV 3E8B PRO A  113  UNP  Q81HW2              EXPRESSION TAG                 
SEQADV 3E8B ARG A  114  UNP  Q81HW2              EXPRESSION TAG                 
SEQADV 3E8B LEU B  111  UNP  Q81HW2              EXPRESSION TAG                 
SEQADV 3E8B VAL B  112  UNP  Q81HW2              EXPRESSION TAG                 
SEQADV 3E8B PRO B  113  UNP  Q81HW2              EXPRESSION TAG                 
SEQADV 3E8B ARG B  114  UNP  Q81HW2              EXPRESSION TAG                 
SEQRES   1 A   96  TRP LYS ASP LYS GLU PHE GLN VAL LEU PHE VAL LEU THR          
SEQRES   2 A   96  ILE LEU THR LEU ILE SER GLY THR ILE PHE TYR SER THR          
SEQRES   3 A   96  VAL GLU GLY LEU ARG PRO ILE ASP ALA LEU TYR PHE SER          
SEQRES   4 A   96  VAL VAL THR LEU THR THR VAL GLY ASP GLY ASN PHE SER          
SEQRES   5 A   96  PRO GLN THR ASP PHE GLY LYS ILE PHE THR ILE LEU TYR          
SEQRES   6 A   96  ILE PHE ILE GLY ILE GLY LEU VAL PHE GLY PHE ILE HIS          
SEQRES   7 A   96  LYS LEU ALA VAL ASN VAL GLN LEU PRO SER ILE LEU SER          
SEQRES   8 A   96  ASN LEU VAL PRO ARG                                          
SEQRES   1 B   96  TRP LYS ASP LYS GLU PHE GLN VAL LEU PHE VAL LEU THR          
SEQRES   2 B   96  ILE LEU THR LEU ILE SER GLY THR ILE PHE TYR SER THR          
SEQRES   3 B   96  VAL GLU GLY LEU ARG PRO ILE ASP ALA LEU TYR PHE SER          
SEQRES   4 B   96  VAL VAL THR LEU THR THR VAL GLY ASP GLY ASN PHE SER          
SEQRES   5 B   96  PRO GLN THR ASP PHE GLY LYS ILE PHE THR ILE LEU TYR          
SEQRES   6 B   96  ILE PHE ILE GLY ILE GLY LEU VAL PHE GLY PHE ILE HIS          
SEQRES   7 B   96  LYS LEU ALA VAL ASN VAL GLN LEU PRO SER ILE LEU SER          
SEQRES   8 B   96  ASN LEU VAL PRO ARG                                          
HET    MPD  A 501       8                                                       
HET    MPD  A 504       8                                                       
HET     RB  A   2       1                                                       
HET     RB  A   3       1                                                       
HET     RB  A   4       1                                                       
HET     RB  A   6       1                                                       
HET     RB  A   9       1                                                       
HET     RB  A  10       1                                                       
HET    MPD  B 502       8                                                       
HET    MPD  B 503       8                                                       
HET     RB  B   1       1                                                       
HET     RB  B   5       1                                                       
HET     RB  B   7       1                                                       
HET     RB  B   8       1                                                       
HET     RB  B  11       1                                                       
HETNAM     MPD (4S)-2-METHYL-2,4-PENTANEDIOL                                    
HETNAM      RB RUBIDIUM ION                                                     
FORMUL   3  MPD    4(C6 H14 O2)                                                 
FORMUL   5   RB    11(RB 1+)                                                    
FORMUL  18  HOH   *94(H2 O)                                                     
HELIX    1   1 GLU A   23  GLU A   46  1                                  24    
HELIX    2   2 ARG A   49  THR A   62  1                                  14    
HELIX    3   3 THR A   73  ASN A  101  1                                  29    
HELIX    4   4 GLN A  103  SER A  109  1                                   7    
HELIX    5   5 TRP B   19  GLU B   46  1                                  28    
HELIX    6   6 ARG B   49  THR B   62  1                                  14    
HELIX    7   7 THR B   73  VAL B  102  1                                  30    
HELIX    8   8 VAL B  102  VAL B  112  1                                  11    
SITE     1 AC1  4 ASP A  52  TYR A  55  ASP A  66  HOH A 533                    
SITE     1 AC2  4 SER A  37  TYR A  83  ILE B  36  MPD B 503                    
SITE     1 AC3  3  RB A   3  THR A  63  VAL A  64                               
SITE     1 AC4  4  RB A   2   RB A  10  VAL A  64  HOH A 506                    
SITE     1 AC5  2 GLY A  67  HOH A 505                                          
SITE     1 AC6  1 THR A  63                                                     
SITE     1 AC7  2  RB A   3  HOH A 506                                          
SITE     1 AC8  2 SER B  37  PHE B  79                                          
SITE     1 AC9  6 TYR A  83  ILE A  86  MPD A 504  LEU B  33                    
SITE     2 AC9  6 ILE B  36  SER B  37                                          
SITE     1 BC1  3  RB B   7  THR B  63  VAL B  64                               
SITE     1 BC2  1 THR B  63                                                     
SITE     1 BC3  3  RB B   1  VAL B  64  HOH B 513                               
SITE     1 BC4  1 GLY B  67                                                     
CRYST1   68.134   68.134   89.359  90.00  90.00  90.00 I 4          16          
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      0.014677  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014677  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011191        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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