HEADER    KINASE                                  16-JAN-98   1KWA              
TITLE     HUMAN CASK/LIN-2 PDZ DOMAIN                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HCASK/LIN-2 PROTEIN;                                       
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: PDZ DOMAIN;                                                
COMPND   5 SYNONYM: HCASK, GLGF REPEAT, DHR;                                    
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 ORGAN: LIVER;                                                        
SOURCE   6 CELLULAR_LOCATION: MEMBRANE-ASSOCIATED;                              
SOURCE   7 GENE: HCASK;                                                         
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  10 EXPRESSION_SYSTEM_STRAIN: DH5 ALPHA;                                 
SOURCE  11 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM;                      
SOURCE  12 EXPRESSION_SYSTEM_VECTOR: PGEX-2T;                                   
SOURCE  13 EXPRESSION_SYSTEM_PLASMID: N-TERMINAL GST FUSION, AMP RESISTANT;     
SOURCE  14 OTHER_DETAILS: CLONED FROM A CDNA LIVER LIBRARY                      
KEYWDS    PDZ DOMAIN, NEUREXIN, SYNDECAN, RECEPTOR CLUSTERING, KINASE           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.L.DANIELS,A.R.COHEN,J.M.ANDERSON,A.T.BRUNGER                        
REVDAT   4   14-FEB-24 1KWA    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 1KWA    1       VERSN                                    
REVDAT   2   09-OCT-02 1KWA    1       JRNL                                     
REVDAT   1   27-MAY-98 1KWA    0                                                
JRNL        AUTH   D.L.DANIELS,A.R.COHEN,J.M.ANDERSON,A.T.BRUNGER               
JRNL        TITL   CRYSTAL STRUCTURE OF THE HCASK PDZ DOMAIN REVEALS THE        
JRNL        TITL 2 STRUCTURAL BASIS OF CLASS II PDZ DOMAIN TARGET RECOGNITION   
JRNL        REF    NAT.STRUCT.BIOL.              V.   5   317 1998              
JRNL        REFN                   ISSN 1072-8368                               
JRNL        PMID   9546224                                                      
JRNL        DOI    10.1038/NSB0498-317                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.A.DOYLE,A.LEE,J.LEWIS,E.KIM,M.SHENG,R.MACKINNON            
REMARK   1  TITL   CRYSTAL STRUCTURES OF A COMPLEXED AND PEPTIDE-FREE MEMBRANE  
REMARK   1  TITL 2 PROTEIN-BINDING DOMAIN: MOLECULAR BASIS OF PEPTIDE           
REMARK   1  TITL 3 RECOGNITION BY PDZ                                           
REMARK   1  REF    CELL(CAMBRIDGE,MASS.)         V.  85  1067 1996              
REMARK   1  REFN                   ISSN 0092-8674                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.93 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NULL                                                 
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.93                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
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)   (%) : 96.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 13564                          
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 SET) : 0.251                           
REMARK   3   FREE R VALUE                     : 0.298                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.400                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1278                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.008                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.93                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.05                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 93.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1957                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2780                       
REMARK   3   BIN FREE R VALUE                    : 0.3350                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.40                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 204                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.023                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1371                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 15                                      
REMARK   3   SOLVENT ATOMS            : 185                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 13.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.94000                                             
REMARK   3    B22 (A**2) : 0.52000                                              
REMARK   3    B33 (A**2) : 3.43000                                              
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) : 0.27                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.17                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.34                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.27                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.80                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.700                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.240 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.850 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.020 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.780 ; 2.500                
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  : SULPHATE_ION.PARA                              
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED                   
REMARK   4                                                                      
REMARK   4 1KWA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000174514.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : DEC-96                             
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL1-5                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.979                              
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : MIRROR                             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE AREA DETECTOR          
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14216                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.930                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 88.4                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.03200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.93                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.96                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 78.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.29300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD, SIR                     
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED IN 1.8M         
REMARK 280  AMMONIUM SULFATE AND 100MM MES PH 6.5 AT 21 DEGREES C.,             
REMARK 280  TEMPERATURE 294K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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       46.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       46.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       20.40000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       48.50000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       20.40000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       48.50000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       46.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       20.40000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       48.50000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       46.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       20.40000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       48.50000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3, 4, 5                                           
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6080 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17120 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -126.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      194.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       92.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 4                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1960 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 9640 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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                                                                      
REMARK 350 BIOMOLECULE: 5                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1470 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10130 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -40.0 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 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      194.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       92.00000            
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      HOH A 105  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B   3  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B  85  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 100  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     ASN B   508                                                      
REMARK 465     GLU B   509                                                      
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     ARG A 487    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     ASN A 508    CG   OD1  ND2                                       
REMARK 470     GLU A 509    CG   CD   OE1  OE2                                  
REMARK 470     ARG B 487    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     LYS B 554    CG   CD   CE   NZ                                   
REMARK 470     ARG B 557    CG   CD   NE   CZ   NH1  NH2                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   232     O    HOH A   232     3655     2.06            
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 546       37.81    -68.15                                   
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 SO4 B 702                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 703                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 704                 
DBREF  1KWA A  487   572  UNP    O14936   CSKP_HUMAN     487    572             
DBREF  1KWA B  487   572  UNP    O14936   CSKP_HUMAN     487    572             
SEQADV 1KWA SER A  488  UNP  O14936    VAL   488 CONFLICT                       
SEQADV 1KWA SER B  488  UNP  O14936    VAL   488 CONFLICT                       
SEQRES   1 A   88  ARG SER ARG LEU VAL GLN PHE GLN LYS ASN THR ASP GLU          
SEQRES   2 A   88  PRO MET GLY ILE THR LEU LYS MET ASN GLU LEU ASN HIS          
SEQRES   3 A   88  CYS ILE VAL ALA ARG ILE MET HIS GLY GLY MET ILE HIS          
SEQRES   4 A   88  ARG GLN GLY THR LEU HIS VAL GLY ASP GLU ILE ARG GLU          
SEQRES   5 A   88  ILE ASN GLY ILE SER VAL ALA ASN GLN THR VAL GLU GLN          
SEQRES   6 A   88  LEU GLN LYS MET LEU ARG GLU MET ARG GLY SER ILE THR          
SEQRES   7 A   88  PHE LYS ILE VAL PRO SER TYR ARG GLU PHE                      
SEQRES   1 B   88  ARG SER ARG LEU VAL GLN PHE GLN LYS ASN THR ASP GLU          
SEQRES   2 B   88  PRO MET GLY ILE THR LEU LYS MET ASN GLU LEU ASN HIS          
SEQRES   3 B   88  CYS ILE VAL ALA ARG ILE MET HIS GLY GLY MET ILE HIS          
SEQRES   4 B   88  ARG GLN GLY THR LEU HIS VAL GLY ASP GLU ILE ARG GLU          
SEQRES   5 B   88  ILE ASN GLY ILE SER VAL ALA ASN GLN THR VAL GLU GLN          
SEQRES   6 B   88  LEU GLN LYS MET LEU ARG GLU MET ARG GLY SER ILE THR          
SEQRES   7 B   88  PHE LYS ILE VAL PRO SER TYR ARG GLU PHE                      
HET    SO4  A 703       5                                                       
HET    SO4  A 704       5                                                       
HET    SO4  B 702       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  SO4    3(O4 S 2-)                                                   
FORMUL   6  HOH   *185(H2 O)                                                    
HELIX    1   1 LEU A  510  HIS A  512  5                                   3    
HELIX    2   2 MET A  523  GLN A  527  1                                   5    
HELIX    3   3 VAL A  544  ASN A  546  5                                   3    
HELIX    4   4 VAL A  549  GLU A  558  1                                  10    
HELIX    5   5 MET B  523  GLN B  527  1                                   5    
HELIX    6   6 VAL B  549  GLU B  558  1                                  10    
SHEET    1   A 3 ARG A 489  LYS A 495  0                                        
SHEET    2   A 3 GLY A 561  VAL A 568 -1  N  ILE A 567   O  ARG A 489           
SHEET    3   A 3 GLU A 535  ILE A 539 -1  N  GLU A 538   O  LYS A 566           
SHEET    1   B 2 ILE A 503  LYS A 506  0                                        
SHEET    2   B 2 ILE A 514  ILE A 518 -1  N  ARG A 517   O  THR A 504           
SHEET    1   C 3 ARG B 489  LYS B 495  0                                        
SHEET    2   C 3 GLY B 561  VAL B 568 -1  N  ILE B 567   O  ARG B 489           
SHEET    3   C 3 GLU B 535  ILE B 539 -1  N  GLU B 538   O  LYS B 566           
SHEET    1   D 2 ILE B 503  LYS B 506  0                                        
SHEET    2   D 2 ILE B 514  ILE B 518 -1  N  ARG B 517   O  THR B 504           
SITE     1 AC1  5 ARG A 557  HOH B   2  HOH B  17  HIS B 531                    
SITE     2 AC1  5 VAL B 532                                                     
SITE     1 AC2  4 PRO A 500  ARG A 557  GLU B 573  PHE B 574                    
SITE     1 AC3  4 ARG A 517  TYR A 571  LYS B 506  ARG B 517                    
CRYST1   40.800   97.000   92.000  90.00  90.00  90.00 C 2 2 21     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      0.024510  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010309  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010870        0.00000                         
MTRIX1   1  0.417572  0.546936  0.725600      -71.22180    1                    
MTRIX2   1 -0.782662 -0.189174  0.593004       92.48140    1                    
MTRIX3   1  0.461599 -0.815521  0.349072      109.06780    1