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Database: PDB
Entry: 1K0O
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HEADER    METAL TRANSPORT                         19-SEP-01   1K0O              
TITLE     CRYSTAL STRUCTURE OF A SOLUBLE FORM OF CLIC1. AN INTRACELLULAR        
TITLE    2 CHLORIDE ION CHANNEL                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CHLORIDE INTRACELLULAR CHANNEL PROTEIN 1;                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: CLIC1;                                                     
COMPND   5 SYNONYM: CLIC1, NCC27;                                               
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PGEX-4T-1                                 
KEYWDS    GLUTATHIONE-S-TRANSFERASE SUPERFAMILY, CLIC1, NCC27, CHLORIDE ION     
KEYWDS   2 CHANNEL, METAL TRANSPORT                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.J.HARROP,M.Z.DEMAERE,W.D.FAIRLIE,T.REZTSOVA,S.M.VALENZUELA,         
AUTHOR   2 M.MAZZANTI,R.TONINI,M.R.QIU,L.JANKOVA,K.WARTON,A.R.BAUSKIN,W.M.WU,   
AUTHOR   3 S.PANKHURST,T.J.CAMPBELL,S.N.BREIT,P.M.G.CURMI                       
REVDAT   5   07-FEB-24 1K0O    1       REMARK                                   
REVDAT   4   27-OCT-21 1K0O    1       SEQADV                                   
REVDAT   3   24-FEB-09 1K0O    1       VERSN                                    
REVDAT   2   01-APR-03 1K0O    1       JRNL                                     
REVDAT   1   12-DEC-01 1K0O    0                                                
JRNL        AUTH   S.J.HARROP,M.Z.DEMAERE,W.D.FAIRLIE,T.REZTSOVA,               
JRNL        AUTH 2 S.M.VALENZUELA,M.MAZZANTI,R.TONINI,M.R.QIU,L.JANKOVA,        
JRNL        AUTH 3 K.WARTON,A.R.BAUSKIN,W.M.WU,S.PANKHURST,T.J.CAMPBELL,        
JRNL        AUTH 4 S.N.BREIT,P.M.CURMI                                          
JRNL        TITL   CRYSTAL STRUCTURE OF A SOLUBLE FORM OF THE INTRACELLULAR     
JRNL        TITL 2 CHLORIDE ION CHANNEL CLIC1 (NCC27) AT 1.4-A RESOLUTION.      
JRNL        REF    J.BIOL.CHEM.                  V. 276 44993 2001              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   11551966                                                     
JRNL        DOI    10.1074/JBC.M107804200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.75 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.0                                           
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ENGH & HUBER                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 87.71                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 46443                          
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) : 0.242                           
REMARK   3   R VALUE            (WORKING SET) : 0.240                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2472                            
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   REFLECTION IN BIN     (WORKING SET) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE SET COUNT          : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3450                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 122                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 30.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 15.04                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.97000                                              
REMARK   3    B22 (A**2) : -0.55000                                             
REMARK   3    B33 (A**2) : -1.41000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.12000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
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      : NULL                          
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : NULL                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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 : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : NULL                                          
REMARK   3   ION PROBE RADIUS   : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1K0O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-SEP-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000014412.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-DEC-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL7-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.08                               
REMARK 200  MONOCHROMATOR                  : YES                                
REMARK 200  OPTICS                         : MONOCHROMATOR                      
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 47410                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.750                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 80.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY                : 4.200                              
REMARK 200  R MERGE                    (I) : 0.04400                            
REMARK 200  R SYM                      (I) : 0.04400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.7000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.84                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.46000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.46000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR                          
REMARK 200 SOFTWARE USED: CCP4                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.09                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG MME 5K, AMMONIUM SULPHATE, SODIUM    
REMARK 280  ACETATE, PH 5.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       30.15550            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
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: MONOMERIC                         
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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
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 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     ALA A     2                                                      
REMARK 465     GLU A     3                                                      
REMARK 465     GLU A     4                                                      
REMARK 465     GLN A     5                                                      
REMARK 465     VAL A   152                                                      
REMARK 465     ASP A   153                                                      
REMARK 465     GLU A   154                                                      
REMARK 465     THR A   155                                                      
REMARK 465     SER A   156                                                      
REMARK 465     ALA A   157                                                      
REMARK 465     GLU A   158                                                      
REMARK 465     ASP A   159                                                      
REMARK 465     GLU A   160                                                      
REMARK 465     GLY A   161                                                      
REMARK 465     VAL A   162                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     GLU B     3                                                      
REMARK 465     GLU B     4                                                      
REMARK 465     GLN B     5                                                      
REMARK 465     PRO B    90                                                      
REMARK 465     PRO B    91                                                      
REMARK 465     ASN B   100                                                      
REMARK 465     PRO B   101                                                      
REMARK 465     GLU B   102                                                      
REMARK 465     LEU B   148                                                      
REMARK 465     PRO B   149                                                      
REMARK 465     GLU B   150                                                      
REMARK 465     GLY B   151                                                      
REMARK 465     VAL B   152                                                      
REMARK 465     ASP B   153                                                      
REMARK 465     GLU B   154                                                      
REMARK 465     THR B   155                                                      
REMARK 465     SER B   156                                                      
REMARK 465     ALA B   157                                                      
REMARK 465     GLU B   158                                                      
REMARK 465     ASP B   159                                                      
REMARK 465     GLU B   160                                                      
REMARK 465     GLY B   161                                                      
REMARK 465     VAL B   162                                                      
REMARK 465     SER B   163                                                      
REMARK 465     GLN B   164                                                      
REMARK 465     ARG B   165                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
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   ATM2   ATM3                                     
REMARK 500    ASP A 225   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP B 169   CB  -  CG  -  OD2 ANGL. DEV. =   7.2 DEGREES          
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    ALA A  19      -42.99   -130.19                                   
REMARK 500    CYS A  24      112.89   -176.97                                   
REMARK 500    THR A  48       -9.86    -53.41                                   
REMARK 500    ARG A  50       67.50   -161.07                                   
REMARK 500    ASP A  76      108.96     84.23                                   
REMARK 500    ALA B  19      -45.30   -135.05                                   
REMARK 500    CYS B  24      106.68   -172.15                                   
REMARK 500    ARG B  50       70.09   -153.59                                   
REMARK 500    PHE B 167     -162.44   -128.69                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1K0O A    1   241  UNP    O00299   CLIC1_HUMAN      1    241             
DBREF  1K0O B    1   241  UNP    O00299   CLIC1_HUMAN      1    241             
SEQADV 1K0O GLU A   63  UNP  O00299    GLN    63 CONFLICT                       
SEQADV 1K0O GLY A  151  UNP  O00299    GLU   151 ENGINEERED MUTATION            
SEQADV 1K0O GLU B   63  UNP  O00299    GLN    63 CONFLICT                       
SEQADV 1K0O GLY B  151  UNP  O00299    GLU   151 ENGINEERED MUTATION            
SEQRES   1 A  241  MET ALA GLU GLU GLN PRO GLN VAL GLU LEU PHE VAL LYS          
SEQRES   2 A  241  ALA GLY SER ASP GLY ALA LYS ILE GLY ASN CYS PRO PHE          
SEQRES   3 A  241  SER GLN ARG LEU PHE MET VAL LEU TRP LEU LYS GLY VAL          
SEQRES   4 A  241  THR PHE ASN VAL THR THR VAL ASP THR LYS ARG ARG THR          
SEQRES   5 A  241  GLU THR VAL GLN LYS LEU CYS PRO GLY GLY GLU LEU PRO          
SEQRES   6 A  241  PHE LEU LEU TYR GLY THR GLU VAL HIS THR ASP THR ASN          
SEQRES   7 A  241  LYS ILE GLU GLU PHE LEU GLU ALA VAL LEU CYS PRO PRO          
SEQRES   8 A  241  ARG TYR PRO LYS LEU ALA ALA LEU ASN PRO GLU SER ASN          
SEQRES   9 A  241  THR ALA GLY LEU ASP ILE PHE ALA LYS PHE SER ALA TYR          
SEQRES  10 A  241  ILE LYS ASN SER ASN PRO ALA LEU ASN ASP ASN LEU GLU          
SEQRES  11 A  241  LYS GLY LEU LEU LYS ALA LEU LYS VAL LEU ASP ASN TYR          
SEQRES  12 A  241  LEU THR SER PRO LEU PRO GLU GLY VAL ASP GLU THR SER          
SEQRES  13 A  241  ALA GLU ASP GLU GLY VAL SER GLN ARG LYS PHE LEU ASP          
SEQRES  14 A  241  GLY ASN GLU LEU THR LEU ALA ASP CYS ASN LEU LEU PRO          
SEQRES  15 A  241  LYS LEU HIS ILE VAL GLN VAL VAL CYS LYS LYS TYR ARG          
SEQRES  16 A  241  GLY PHE THR ILE PRO GLU ALA PHE ARG GLY VAL HIS ARG          
SEQRES  17 A  241  TYR LEU SER ASN ALA TYR ALA ARG GLU GLU PHE ALA SER          
SEQRES  18 A  241  THR CYS PRO ASP ASP GLU GLU ILE GLU LEU ALA TYR GLU          
SEQRES  19 A  241  GLN VAL ALA LYS ALA LEU LYS                                  
SEQRES   1 B  241  MET ALA GLU GLU GLN PRO GLN VAL GLU LEU PHE VAL LYS          
SEQRES   2 B  241  ALA GLY SER ASP GLY ALA LYS ILE GLY ASN CYS PRO PHE          
SEQRES   3 B  241  SER GLN ARG LEU PHE MET VAL LEU TRP LEU LYS GLY VAL          
SEQRES   4 B  241  THR PHE ASN VAL THR THR VAL ASP THR LYS ARG ARG THR          
SEQRES   5 B  241  GLU THR VAL GLN LYS LEU CYS PRO GLY GLY GLU LEU PRO          
SEQRES   6 B  241  PHE LEU LEU TYR GLY THR GLU VAL HIS THR ASP THR ASN          
SEQRES   7 B  241  LYS ILE GLU GLU PHE LEU GLU ALA VAL LEU CYS PRO PRO          
SEQRES   8 B  241  ARG TYR PRO LYS LEU ALA ALA LEU ASN PRO GLU SER ASN          
SEQRES   9 B  241  THR ALA GLY LEU ASP ILE PHE ALA LYS PHE SER ALA TYR          
SEQRES  10 B  241  ILE LYS ASN SER ASN PRO ALA LEU ASN ASP ASN LEU GLU          
SEQRES  11 B  241  LYS GLY LEU LEU LYS ALA LEU LYS VAL LEU ASP ASN TYR          
SEQRES  12 B  241  LEU THR SER PRO LEU PRO GLU GLY VAL ASP GLU THR SER          
SEQRES  13 B  241  ALA GLU ASP GLU GLY VAL SER GLN ARG LYS PHE LEU ASP          
SEQRES  14 B  241  GLY ASN GLU LEU THR LEU ALA ASP CYS ASN LEU LEU PRO          
SEQRES  15 B  241  LYS LEU HIS ILE VAL GLN VAL VAL CYS LYS LYS TYR ARG          
SEQRES  16 B  241  GLY PHE THR ILE PRO GLU ALA PHE ARG GLY VAL HIS ARG          
SEQRES  17 B  241  TYR LEU SER ASN ALA TYR ALA ARG GLU GLU PHE ALA SER          
SEQRES  18 B  241  THR CYS PRO ASP ASP GLU GLU ILE GLU LEU ALA TYR GLU          
SEQRES  19 B  241  GLN VAL ALA LYS ALA LEU LYS                                  
FORMUL   3  HOH   *122(H2 O)                                                    
HELIX    1   1 CYS A   24  GLY A   38  1                                  15    
HELIX    2   2 THR A   52  CYS A   59  1                                   8    
HELIX    3   3 ASP A   76  LEU A   88  1                                  13    
HELIX    4   4 ASN A  100  THR A  105  5                                   6    
HELIX    5   5 ASP A  109  ASN A  120  1                                  12    
HELIX    6   6 ASN A  122  SER A  146  1                                  25    
HELIX    7   7 THR A  174  GLY A  196  1                                  23    
HELIX    8   8 PHE A  203  ALA A  215  1                                  13    
HELIX    9   9 ARG A  216  SER A  221  1                                   6    
HELIX   10  10 ASP A  225  TYR A  233  1                                   9    
HELIX   11  11 CYS B   24  GLY B   38  1                                  15    
HELIX   12  12 THR B   52  CYS B   59  1                                   8    
HELIX   13  13 ASP B   76  LEU B   88  1                                  13    
HELIX   14  14 ASP B  109  ASN B  120  1                                  12    
HELIX   15  15 ASN B  122  ALA B  124  5                                   3    
HELIX   16  16 LEU B  125  SER B  146  1                                  22    
HELIX   17  17 THR B  174  GLY B  196  1                                  23    
HELIX   18  18 PHE B  203  ALA B  215  1                                  13    
HELIX   19  19 ARG B  216  SER B  221  1                                   6    
HELIX   20  20 ASP B  225  TYR B  233  1                                   9    
SHEET    1   A 4 PHE A  41  VAL A  46  0                                        
SHEET    2   A 4 VAL A   8  LYS A  13  1  N  LEU A  10   O  ASN A  42           
SHEET    3   A 4 PHE A  66  TYR A  69 -1  O  PHE A  66   N  PHE A  11           
SHEET    4   A 4 GLU A  72  THR A  75 -1  O  HIS A  74   N  LEU A  67           
SHEET    1   B 4 ASN B  42  VAL B  46  0                                        
SHEET    2   B 4 VAL B   8  LYS B  13  1  N  VAL B  12   O  VAL B  46           
SHEET    3   B 4 PHE B  66  TYR B  69 -1  O  LEU B  68   N  GLU B   9           
SHEET    4   B 4 GLU B  72  HIS B  74 -1  O  GLU B  72   N  TYR B  69           
CISPEP   1 LEU A   64    PRO A   65          0         1.90                     
CISPEP   2 PRO A   90    PRO A   91          0        -5.12                     
CISPEP   3 LEU B   64    PRO B   65          0        -1.46                     
CRYST1   46.408   60.311   89.428  90.00  92.41  90.00 P 1 21 1      4          
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      0.021548  0.000000  0.000907        0.00000                         
SCALE2      0.000000  0.016581  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011192        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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