PDB Short entry for 4P6E
HEADER    HYDROLASE/HYDROLASE INHIBITOR           24-MAR-14   4P6E              
TITLE     CRYSTAL STRUCTURE OF HUMAN CATHEPSIN S BOUND TO A NON-COVALENT        
TITLE    2 INHIBITOR                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CATHEPSIN S;                                               
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.4.22.27;                                                       
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CTSS;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ENTEROBACTERIA PHAGE L1;                          
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 268588                                      
KEYWDS    CYSTEINE PROTEASE, CATHEPSIN S, INHIBITOR, NON-COVALENT, HYDROLASE-   
KEYWDS   2 HYDROLASE INHIBITOR COMPLEX                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.WANG,P.K.JADHAV,G.G.DENG                                            
REVDAT   2   27-DEC-23 4P6E    1       SOURCE KEYWDS REMARK                     
REVDAT   1   29-OCT-14 4P6E    0                                                
JRNL        AUTH   P.K.JADHAV,M.A.SCHIFFLER,K.GAVARDINAS,E.J.KIM,D.P.MATTHEWS,  
JRNL        AUTH 2 M.A.STASZAK,D.S.COFFEY,B.W.SHAW,K.C.CASSIDY,R.A.BRIER,       
JRNL        AUTH 3 Y.ZHANG,R.M.CHRISTIE,W.F.MATTER,K.QING,J.D.DURBIN,Y.WANG,    
JRNL        AUTH 4 G.G.DENG                                                     
JRNL        TITL   DISCOVERY OF CATHEPSIN S INHIBITOR LY3000328 FOR THE         
JRNL        TITL 2 TREATMENT OF ABDOMINAL AORTIC ANEURYSM.                      
JRNL        REF    ACS MED.CHEM.LETT.            V.   5  1138 2014              
JRNL        REFN                   ISSN 1948-5875                               
JRNL        PMID   25313327                                                     
JRNL        DOI    10.1021/ML500283G                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0049                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 28.07                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 50867                          
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) : 0.176                           
REMARK   3   R VALUE            (WORKING SET) : 0.176                           
REMARK   3   FREE R VALUE                     : 0.199                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 2.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1022                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3695                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.31                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2400                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 87                           
REMARK   3   BIN FREE R VALUE                    : 0.2690                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3381                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 63                                      
REMARK   3   SOLVENT ATOMS            : 417                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.17                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.36000                                             
REMARK   3    B22 (A**2) : -0.36000                                             
REMARK   3    B33 (A**2) : 0.72000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.107         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.101         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.076         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.501         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.964                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.951                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3586 ; 0.010 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  3168 ; 0.004 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4867 ; 1.227 ; 1.958       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  7321 ; 0.980 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   444 ; 5.358 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   164 ;35.446 ;24.573       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   563 ;11.621 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;10.182 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   493 ; 0.073 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4186 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   840 ; 0.004 ; 0.020       
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):  1758 ; 1.435 ; 2.706       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1757 ; 1.428 ; 2.705       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2196 ; 2.020 ; 4.048       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  2197 ; 2.019 ; 4.050       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1828 ; 2.190 ; 2.974       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1761 ; 2.209 ; 2.975       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  2573 ; 3.404 ; 4.354       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  4522 ; 5.263 ;23.579       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  4266 ; 4.870 ;22.769       
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   NCS TYPE: LOCAL                                                    
REMARK   3   NUMBER OF DIFFERENT NCS PAIRS  : 1                                 
REMARK   3  GROUP  CHAIN1    RANGE     CHAIN2     RANGE    COUNT RMS  WEIGHT    
REMARK   3    1     A     0    218       B     0    218   12525  0.11  0.05     
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 4P6E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAR-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000200816.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-MAR-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 31-ID                              
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                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 53044                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 28.070                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 7.300                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.0000                             
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: NULL                         
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   (%): 54.63                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 21% PEG 8000, 150 MM AMMONIUM SULFATE,   
REMARK 280  100 MM SODIUM ACETATE, PH 4.6, EVAPORATION, TEMPERATURE 295K        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 2 2                         
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   -Y,X,Z+1/4                                              
REMARK 290       4555   Y,-X,Z+3/4                                              
REMARK 290       5555   -X,Y,-Z                                                 
REMARK 290       6555   X,-Y,-Z+1/2                                             
REMARK 290       7555   Y,X,-Z+3/4                                              
REMARK 290       8555   -Y,-X,-Z+1/4                                            
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       75.74800            
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       37.87400            
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      113.62200            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       75.74800            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000      113.62200            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       37.87400            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1390 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18260 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 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  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000       85.69200            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000      -37.87400            
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 453  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 434  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 446  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     SER A    -5                                                      
REMARK 465     ASN A    -4                                                      
REMARK 465     PRO A    -3                                                      
REMARK 465     ASN A    -2                                                      
REMARK 465     ARG A    -1                                                      
REMARK 465     HIS A   219                                                      
REMARK 465     HIS A   220                                                      
REMARK 465     HIS A   221                                                      
REMARK 465     HIS A   222                                                      
REMARK 465     HIS A   223                                                      
REMARK 465     HIS A   224                                                      
REMARK 465     SER B    -5                                                      
REMARK 465     ASN B    -4                                                      
REMARK 465     PRO B    -3                                                      
REMARK 465     ASN B    -2                                                      
REMARK 465     ARG B    -1                                                      
REMARK 465     HIS B   219                                                      
REMARK 465     HIS B   220                                                      
REMARK 465     HIS B   221                                                      
REMARK 465     HIS B   222                                                      
REMARK 465     HIS B   223                                                      
REMARK 465     HIS B   224                                                      
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     LYS A  98    CD   CE   NZ                                        
REMARK 470     GLU A 218    CD   OE1  OE2                                       
REMARK 470     LYS B  93    CE   NZ                                             
REMARK 470     ARG B 141    CD   NE   CZ   NH1  NH2                             
REMARK 470     ARG B 149    NE   CZ   NH1  NH2                                  
REMARK 470     LYS B 177    CE   NZ                                             
REMARK 470     GLU B 218    CG   CD   OE1  OE2                                  
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 A   506     O    HOH A   573              2.11            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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   448     O    HOH A   448     5555     2.14            
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    SER A  21       30.25    -88.39                                   
REMARK 500    THR A  58     -126.90   -113.82                                   
REMARK 500    LYS A 202       54.62   -118.66                                   
REMARK 500    THR B  58     -126.52   -114.55                                   
REMARK 500    ARG B 141       36.03    -88.83                                   
REMARK 500    LYS B 202       52.02   -117.14                                   
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 A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 2FC A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 2FC B 301                 
DBREF  4P6E A   -5   217  UNP    P25774   CATS_HUMAN     109    331             
DBREF  4P6E B   -5   217  UNP    P25774   CATS_HUMAN     109    331             
SEQADV 4P6E GLU A  218  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS A  219  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS A  220  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS A  221  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS A  222  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS A  223  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS A  224  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E GLU B  218  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS B  219  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS B  220  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS B  221  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS B  222  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS B  223  UNP  P25774              EXPRESSION TAG                 
SEQADV 4P6E HIS B  224  UNP  P25774              EXPRESSION TAG                 
SEQRES   1 A  230  SER ASN PRO ASN ARG ILE LEU PRO ASP SER VAL ASP TRP          
SEQRES   2 A  230  ARG GLU LYS GLY CYS VAL THR GLU VAL LYS TYR GLN GLY          
SEQRES   3 A  230  SER CYS GLY ALA CYS TRP ALA PHE SER ALA VAL GLY ALA          
SEQRES   4 A  230  LEU GLU ALA GLN LEU LYS LEU LYS THR GLY LYS LEU VAL          
SEQRES   5 A  230  SER LEU SER ALA GLN ASN LEU VAL ASP CYS SER THR GLU          
SEQRES   6 A  230  LYS TYR GLY ASN LYS GLY CYS ASN GLY GLY PHE MET THR          
SEQRES   7 A  230  THR ALA PHE GLN TYR ILE ILE ASP ASN LYS GLY ILE ASP          
SEQRES   8 A  230  SER ASP ALA SER TYR PRO TYR LYS ALA MET ASP GLN LYS          
SEQRES   9 A  230  CYS GLN TYR ASP SER LYS TYR ARG ALA ALA THR CYS SER          
SEQRES  10 A  230  LYS TYR THR GLU LEU PRO TYR GLY ARG GLU ASP VAL LEU          
SEQRES  11 A  230  LYS GLU ALA VAL ALA ASN LYS GLY PRO VAL SER VAL GLY          
SEQRES  12 A  230  VAL ASP ALA ARG HIS PRO SER PHE PHE LEU TYR ARG SER          
SEQRES  13 A  230  GLY VAL TYR TYR GLU PRO SER CYS THR GLN ASN VAL ASN          
SEQRES  14 A  230  HIS GLY VAL LEU VAL VAL GLY TYR GLY ASP LEU ASN GLY          
SEQRES  15 A  230  LYS GLU TYR TRP LEU VAL LYS ASN SER TRP GLY HIS ASN          
SEQRES  16 A  230  PHE GLY GLU GLU GLY TYR ILE ARG MET ALA ARG ASN LYS          
SEQRES  17 A  230  GLY ASN HIS CYS GLY ILE ALA SER PHE PRO SER TYR PRO          
SEQRES  18 A  230  GLU ILE GLU HIS HIS HIS HIS HIS HIS                          
SEQRES   1 B  230  SER ASN PRO ASN ARG ILE LEU PRO ASP SER VAL ASP TRP          
SEQRES   2 B  230  ARG GLU LYS GLY CYS VAL THR GLU VAL LYS TYR GLN GLY          
SEQRES   3 B  230  SER CYS GLY ALA CYS TRP ALA PHE SER ALA VAL GLY ALA          
SEQRES   4 B  230  LEU GLU ALA GLN LEU LYS LEU LYS THR GLY LYS LEU VAL          
SEQRES   5 B  230  SER LEU SER ALA GLN ASN LEU VAL ASP CYS SER THR GLU          
SEQRES   6 B  230  LYS TYR GLY ASN LYS GLY CYS ASN GLY GLY PHE MET THR          
SEQRES   7 B  230  THR ALA PHE GLN TYR ILE ILE ASP ASN LYS GLY ILE ASP          
SEQRES   8 B  230  SER ASP ALA SER TYR PRO TYR LYS ALA MET ASP GLN LYS          
SEQRES   9 B  230  CYS GLN TYR ASP SER LYS TYR ARG ALA ALA THR CYS SER          
SEQRES  10 B  230  LYS TYR THR GLU LEU PRO TYR GLY ARG GLU ASP VAL LEU          
SEQRES  11 B  230  LYS GLU ALA VAL ALA ASN LYS GLY PRO VAL SER VAL GLY          
SEQRES  12 B  230  VAL ASP ALA ARG HIS PRO SER PHE PHE LEU TYR ARG SER          
SEQRES  13 B  230  GLY VAL TYR TYR GLU PRO SER CYS THR GLN ASN VAL ASN          
SEQRES  14 B  230  HIS GLY VAL LEU VAL VAL GLY TYR GLY ASP LEU ASN GLY          
SEQRES  15 B  230  LYS GLU TYR TRP LEU VAL LYS ASN SER TRP GLY HIS ASN          
SEQRES  16 B  230  PHE GLY GLU GLU GLY TYR ILE ARG MET ALA ARG ASN LYS          
SEQRES  17 B  230  GLY ASN HIS CYS GLY ILE ALA SER PHE PRO SER TYR PRO          
SEQRES  18 B  230  GLU ILE GLU HIS HIS HIS HIS HIS HIS                          
HET    SO4  A 301       5                                                       
HET    2FC  A 302      29                                                       
HET    2FC  B 301      29                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     2FC N-[(8R)-8-(BENZOYLAMINO)-5,6,7,8-TETRAHYDRONAPHTHALEN-           
HETNAM   2 2FC  2-YL]-4-METHYLPIPERAZINE-1-CARBOXAMIDE                          
FORMUL   3  SO4    O4 S 2-                                                      
FORMUL   4  2FC    2(C23 H28 N4 O2)                                             
FORMUL   6  HOH   *417(H2 O)                                                    
HELIX    1 AA1 ARG A    8  GLY A   11  5                                   4    
HELIX    2 AA2 ALA A   24  GLY A   43  1                                  20    
HELIX    3 AA3 SER A   49  SER A   57  1                                   9    
HELIX    4 AA4 THR A   58  GLY A   62  5                                   5    
HELIX    5 AA5 LYS A   64  GLY A   68  5                                   5    
HELIX    6 AA6 PHE A   70  LYS A   82  1                                  13    
HELIX    7 AA7 ASP A  102  LYS A  104  5                                   3    
HELIX    8 AA8 ARG A  120  LYS A  131  1                                  12    
HELIX    9 AA9 HIS A  142  LEU A  147  1                                   6    
HELIX   10 AB1 ASN A  204  ILE A  208  5                                   5    
HELIX   11 AB2 ARG B    8  GLY B   11  5                                   4    
HELIX   12 AB3 ALA B   24  GLY B   43  1                                  20    
HELIX   13 AB4 SER B   49  SER B   57  1                                   9    
HELIX   14 AB5 THR B   58  GLY B   62  5                                   5    
HELIX   15 AB6 LYS B   64  GLY B   68  5                                   5    
HELIX   16 AB7 PHE B   70  LYS B   82  1                                  13    
HELIX   17 AB8 ASP B  102  LYS B  104  5                                   3    
HELIX   18 AB9 ARG B  120  LYS B  131  1                                  12    
HELIX   19 AC1 HIS B  142  LEU B  147  1                                   6    
HELIX   20 AC2 ASN B  204  ILE B  208  5                                   5    
SHEET    1 AA1 3 VAL A   5  ASP A   6  0                                        
SHEET    2 AA1 3 HIS A 164  LEU A 174 -1  O  TYR A 171   N  VAL A   5           
SHEET    3 AA1 3 VAL A 134  VAL A 138 -1  N  VAL A 134   O  VAL A 168           
SHEET    1 AA2 4 VAL A   5  ASP A   6  0                                        
SHEET    2 AA2 4 HIS A 164  LEU A 174 -1  O  TYR A 171   N  VAL A   5           
SHEET    3 AA2 4 LYS A 177  LYS A 183 -1  O  LYS A 183   N  LEU A 167           
SHEET    4 AA2 4 TYR A 195  ALA A 199 -1  O  ILE A 196   N  VAL A 182           
SHEET    1 AA3 2 ILE A  84  ASP A  85  0                                        
SHEET    2 AA3 2 ARG A 106  ALA A 108 -1  O  ALA A 107   N  ILE A  84           
SHEET    1 AA4 2 LYS A 112  GLU A 115  0                                        
SHEET    2 AA4 2 SER A 213  GLU A 216 -1  O  GLU A 216   N  LYS A 112           
SHEET    1 AA5 3 VAL B   5  ASP B   6  0                                        
SHEET    2 AA5 3 HIS B 164  LEU B 174 -1  O  TYR B 171   N  VAL B   5           
SHEET    3 AA5 3 VAL B 134  VAL B 138 -1  N  VAL B 134   O  VAL B 168           
SHEET    1 AA6 5 VAL B   5  ASP B   6  0                                        
SHEET    2 AA6 5 HIS B 164  LEU B 174 -1  O  TYR B 171   N  VAL B   5           
SHEET    3 AA6 5 LYS B 177  LYS B 183 -1  O  LYS B 183   N  LEU B 167           
SHEET    4 AA6 5 TYR B 195  ALA B 199 -1  O  ILE B 196   N  VAL B 182           
SHEET    5 AA6 5 VAL B 152  TYR B 153  1  N  TYR B 153   O  ARG B 197           
SHEET    1 AA7 2 ILE B  84  ASP B  85  0                                        
SHEET    2 AA7 2 ARG B 106  ALA B 108 -1  O  ALA B 107   N  ILE B  84           
SHEET    1 AA8 2 LYS B 112  GLU B 115  0                                        
SHEET    2 AA8 2 SER B 213  GLU B 216 -1  O  TYR B 214   N  THR B 114           
SSBOND   1 CYS A   22    CYS A   66                          1555   1555  2.06  
SSBOND   2 CYS A   56    CYS A   99                          1555   1555  2.11  
SSBOND   3 CYS A  158    CYS A  206                          1555   1555  2.03  
SSBOND   4 CYS B   22    CYS B   66                          1555   1555  2.06  
SSBOND   5 CYS B   56    CYS B   99                          1555   1555  2.12  
SSBOND   6 CYS B  158    CYS B  206                          1555   1555  2.04  
SITE     1 AC1  5 TYR A  18  GLY A  20  SER A  21  HOH A 530                    
SITE     2 AC1  5 LYS B  10                                                     
SITE     1 AC2 14 GLY A  62  GLY A  68  GLY A  69  PHE A  70                    
SITE     2 AC2 14 MET A  71  ASN A 163  GLY A 165  PHE A 211                    
SITE     3 AC2 14 HOH A 469  HOH A 578  HOH A 593  PHE B  70                    
SITE     4 AC2 14 THR B  72  2FC B 301                                          
SITE     1 AC3 16 PHE A  70  THR A  72  GLU A 115  2FC A 302                    
SITE     2 AC3 16 GLY B  62  ASN B  67  GLY B  68  GLY B  69                    
SITE     3 AC3 16 PHE B  70  MET B  71  GLU B 115  ASN B 163                    
SITE     4 AC3 16 GLY B 165  PHE B 211  HOH B 451  HOH B 592                    
CRYST1   85.692   85.692  151.496  90.00  90.00  90.00 P 41 2 2     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      0.011670  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011670  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006601        0.00000