HEADER    HYDROLASE                               06-JAN-03   1NL6              
TITLE     CRYSTAL STRUCTURE OF THE CYSTEINE PROTEASE HUMAN CATHEPSIN K IN       
TITLE    2 COMPLEX WITH A COVALENT AZEPANONE INHIBITOR                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CATHEPSIN K;                                               
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: CATHEPSIN O, CATHEPSIN X, CATHEPSIN O2;                     
COMPND   5 EC: 3.4.22.38;                                                       
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 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   6 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   8 EXPRESSION_SYSTEM_CELL_LINE: SF9;                                    
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS                           
KEYWDS    HYDROLASE, SULFHYDRYL PROTEINASE                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.W.SMITH,C.A.JANSON,B.ZHAO                                           
REVDAT   5   13-NOV-24 1NL6    1       REMARK                                   
REVDAT   4   16-AUG-23 1NL6    1       REMARK LINK                              
REVDAT   3   11-OCT-17 1NL6    1       REMARK                                   
REVDAT   2   24-FEB-09 1NL6    1       VERSN                                    
REVDAT   1   14-JAN-03 1NL6    0                                                
JRNL        AUTH   R.W.MARQUIS,Y.RU,S.M.LOCASTRO,J.ZENG,D.S.YAMASHITA,H.J.OH,   
JRNL        AUTH 2 K.F.ERHARD,L.D.DAVIS,T.A.TOMASZEK,D.TEW,K.SALYERS,J.PROKSCH, 
JRNL        AUTH 3 K.WARD,B.SMITH,M.LEVY,M.D.CUMMINGS,R.C.HALTIWANGER,          
JRNL        AUTH 4 G.TRESCHER,B.WANG,M.E.HEMLING,C.J.QUINN,H.-Y.CHENG,F.LIN,    
JRNL        AUTH 5 W.W.SMITH,C.A.JANSON,B.ZHAO,M.S.MCQUENEY,K.D'ALESSIO,        
JRNL        AUTH 6 C.P.LEE,A.MARZULLI,R.A DODDS,S.BLAKE,S.M.HWANG,I.E.JAMES,    
JRNL        AUTH 7 C.J.GRESS,B.R.BRADLEY,M.W.LARK,M.GOWEN,D.F.VEBER             
JRNL        TITL   AZEPANONE-BASED INHIBITORS OF HUMAN AND RAT CATHEPSIN K      
JRNL        REF    J.MED.CHEM.                   V.  44  1380 2001              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   11311061                                                     
JRNL        DOI    10.1021/JM000481X                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 15561                          
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) : 0.246                           
REMARK   3   FREE R VALUE                     : 0.298                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1578                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.83                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 160                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3240                       
REMARK   3   BIN FREE R VALUE                    : 0.3680                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 13.00                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 22                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3298                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 104                                     
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -21.85800                                            
REMARK   3    B22 (A**2) : 13.55800                                             
REMARK   3    B33 (A**2) : 8.30000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.390                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
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  : SB331750.PARAM                                 
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1NL6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JAN-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000017971.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-MAR-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 17-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : SI 111                             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MAR                                
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17372                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.550                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 99.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 88.0                               
REMARK 200  DATA REDUNDANCY                : 9.800                              
REMARK 200  R MERGE                    (I) : 0.58000                            
REMARK 200  R SYM                      (I) : 0.58000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 32.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.55                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 65.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.94000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.94000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 9.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1ATK                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 63.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG 8000, 0.1 M IMIDAZOLE, 0.2 M     
REMARK 280  CALCIUM ACETATE, PH 8.0, VAPOR DIFFUSION, SITTING DROP,             
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       35.90800            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       57.42050            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       37.94400            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       57.42050            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       35.90800            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       37.94400            
REMARK 290   SMTRY3   4  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 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   OE2  GLU A   186     N    THR B   101     2454     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    ASP A   3       78.98    -66.82                                   
REMARK 500    PRO A  15      162.40    -48.30                                   
REMARK 500    SER A  24       40.46    -99.08                                   
REMARK 500    GLN A  76      -70.32    -59.19                                   
REMARK 500    GLN A  92      126.02   -177.26                                   
REMARK 500    LYS A 103      119.82    -31.74                                   
REMARK 500    ARG A 108       43.88   -105.27                                   
REMARK 500    ALA A 124      -73.11    -46.00                                   
REMARK 500    VAL A 125      -36.70    -38.92                                   
REMARK 500    PRO A 130      123.19    -39.34                                   
REMARK 500    SER A 146      -26.04   -151.00                                   
REMARK 500    TYR A 151      117.19    172.36                                   
REMARK 500    GLU A 153        6.24    -59.37                                   
REMARK 500    ASN A 161       -3.62   -155.84                                   
REMARK 500    GLN A 172      -90.57    -95.57                                   
REMARK 500    LYS A 173       55.06   -101.09                                   
REMARK 500    ALA A 197      136.97    -38.57                                   
REMARK 500    LYS A 200       59.46    -90.09                                   
REMARK 500    CYS A 204       18.67     47.67                                   
REMARK 500    ALA A 207       51.26   -104.46                                   
REMARK 500    LEU A 209       51.47   -153.88                                   
REMARK 500    ASP B   3       80.25    -67.19                                   
REMARK 500    TYR B   7       -7.17    -51.56                                   
REMARK 500    PRO B  15      161.64    -49.04                                   
REMARK 500    SER B  24       40.28    -99.32                                   
REMARK 500    THR B  42       -1.35   -149.18                                   
REMARK 500    GLN B  92      126.10   -173.29                                   
REMARK 500    LYS B 103      116.94    -35.10                                   
REMARK 500    ALA B 105      178.35    178.08                                   
REMARK 500    ARG B 108       41.35   -106.34                                   
REMARK 500    ALA B 124      -72.76    -43.88                                   
REMARK 500    SER B 146      -25.11   -145.37                                   
REMARK 500    TYR B 151      119.79    173.20                                   
REMARK 500    GLU B 153        8.22    -59.43                                   
REMARK 500    ASN B 161       -6.75   -157.02                                   
REMARK 500    VAL B 164     -168.75   -123.25                                   
REMARK 500    TYR B 169      148.73   -174.31                                   
REMARK 500    GLN B 172      -91.55    -96.03                                   
REMARK 500    LYS B 173       56.22   -100.25                                   
REMARK 500    ALA B 197      137.14    -32.71                                   
REMARK 500    ASN B 199       -0.40     67.62                                   
REMARK 500    CYS B 204       22.51     47.62                                   
REMARK 500    ALA B 207       49.32   -108.91                                   
REMARK 500    LEU B 209       48.91   -147.98                                   
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 750 A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 750 B 501                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1ATK   RELATED DB: PDB                                   
REMARK 900 CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH THE COVALENT     
REMARK 900 INHIBITOR E-64                                                       
REMARK 900 RELATED ID: 1AU0   RELATED DB: PDB                                   
REMARK 900 CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT       
REMARK 900 SYMMETRIC DIACYLAMINOMETHYL KETONE INHIBITOR                         
REMARK 900 RELATED ID: 1AU2   RELATED DB: PDB                                   
REMARK 900 CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT       
REMARK 900 PROPANONE INHIBITOR                                                  
REMARK 900 RELATED ID: 1AU3   RELATED DB: PDB                                   
REMARK 900 CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT       
REMARK 900 PYRROLIDINONE INHIBITOR                                              
REMARK 900 RELATED ID: 1AU4   RELATED DB: PDB                                   
REMARK 900 CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT       
REMARK 900 PYRROLIDINONE INHIBITOR                                              
DBREF  1NL6 A    1   215  UNP    P43235   CATK_HUMAN     115    329             
DBREF  1NL6 B    1   215  UNP    P43235   CATK_HUMAN     115    329             
SEQRES   1 A  215  ALA PRO ASP SER VAL ASP TYR ARG LYS LYS GLY TYR VAL          
SEQRES   2 A  215  THR PRO VAL LYS ASN GLN GLY GLN CYS GLY SER CYS TRP          
SEQRES   3 A  215  ALA PHE SER SER VAL GLY ALA LEU GLU GLY GLN LEU LYS          
SEQRES   4 A  215  LYS LYS THR GLY LYS LEU LEU ASN LEU SER PRO GLN ASN          
SEQRES   5 A  215  LEU VAL ASP CYS VAL SER GLU ASN ASP GLY CYS GLY GLY          
SEQRES   6 A  215  GLY TYR MET THR ASN ALA PHE GLN TYR VAL GLN LYS ASN          
SEQRES   7 A  215  ARG GLY ILE ASP SER GLU ASP ALA TYR PRO TYR VAL GLY          
SEQRES   8 A  215  GLN GLU GLU SER CYS MET TYR ASN PRO THR GLY LYS ALA          
SEQRES   9 A  215  ALA LYS CYS ARG GLY TYR ARG GLU ILE PRO GLU GLY ASN          
SEQRES  10 A  215  GLU LYS ALA LEU LYS ARG ALA VAL ALA ARG VAL GLY PRO          
SEQRES  11 A  215  VAL SER VAL ALA ILE ASP ALA SER LEU THR SER PHE GLN          
SEQRES  12 A  215  PHE TYR SER LYS GLY VAL TYR TYR ASP GLU SER CYS ASN          
SEQRES  13 A  215  SER ASP ASN LEU ASN HIS ALA VAL LEU ALA VAL GLY TYR          
SEQRES  14 A  215  GLY ILE GLN LYS GLY ASN LYS HIS TRP ILE ILE LYS ASN          
SEQRES  15 A  215  SER TRP GLY GLU ASN TRP GLY ASN LYS GLY TYR ILE LEU          
SEQRES  16 A  215  MET ALA ARG ASN LYS ASN ASN ALA CYS GLY ILE ALA ASN          
SEQRES  17 A  215  LEU ALA SER PHE PRO LYS MET                                  
SEQRES   1 B  215  ALA PRO ASP SER VAL ASP TYR ARG LYS LYS GLY TYR VAL          
SEQRES   2 B  215  THR PRO VAL LYS ASN GLN GLY GLN CYS GLY SER CYS TRP          
SEQRES   3 B  215  ALA PHE SER SER VAL GLY ALA LEU GLU GLY GLN LEU LYS          
SEQRES   4 B  215  LYS LYS THR GLY LYS LEU LEU ASN LEU SER PRO GLN ASN          
SEQRES   5 B  215  LEU VAL ASP CYS VAL SER GLU ASN ASP GLY CYS GLY GLY          
SEQRES   6 B  215  GLY TYR MET THR ASN ALA PHE GLN TYR VAL GLN LYS ASN          
SEQRES   7 B  215  ARG GLY ILE ASP SER GLU ASP ALA TYR PRO TYR VAL GLY          
SEQRES   8 B  215  GLN GLU GLU SER CYS MET TYR ASN PRO THR GLY LYS ALA          
SEQRES   9 B  215  ALA LYS CYS ARG GLY TYR ARG GLU ILE PRO GLU GLY ASN          
SEQRES  10 B  215  GLU LYS ALA LEU LYS ARG ALA VAL ALA ARG VAL GLY PRO          
SEQRES  11 B  215  VAL SER VAL ALA ILE ASP ALA SER LEU THR SER PHE GLN          
SEQRES  12 B  215  PHE TYR SER LYS GLY VAL TYR TYR ASP GLU SER CYS ASN          
SEQRES  13 B  215  SER ASP ASN LEU ASN HIS ALA VAL LEU ALA VAL GLY TYR          
SEQRES  14 B  215  GLY ILE GLN LYS GLY ASN LYS HIS TRP ILE ILE LYS ASN          
SEQRES  15 B  215  SER TRP GLY GLU ASN TRP GLY ASN LYS GLY TYR ILE LEU          
SEQRES  16 B  215  MET ALA ARG ASN LYS ASN ASN ALA CYS GLY ILE ALA ASN          
SEQRES  17 B  215  LEU ALA SER PHE PRO LYS MET                                  
HET    750  A 501      52                                                       
HET    750  B 501      52                                                       
HETNAM     750 5-(2-MORPHOLIN-4-YLETHOXY)BENZOFURAN-2-CARBOXYLIC ACID           
HETNAM   2 750  ((S)-3-METHYL-1-{(S)-3-OXO-1-[2-(3-PYRIDIN-2-                   
HETNAM   3 750  YLPHENYL)ACETYL]AZEPAN-4-YLCARBAMOYL}BUTYL)AMIDE                
FORMUL   3  750    2(C40 H47 N5 O7)                                             
HELIX    1   1 TYR A    7  GLY A   11  1                                   5    
HELIX    2   2 SER A   24  GLY A   43  1                                  20    
HELIX    3   3 SER A   49  VAL A   57  1                                   9    
HELIX    4   4 ASP A   61  GLY A   65  5                                   5    
HELIX    5   5 MET A   68  ARG A   79  1                                  12    
HELIX    6   6 ASN A   99  LYS A  103  5                                   5    
HELIX    7   7 ASN A  117  GLY A  129  1                                  13    
HELIX    8   8 LEU A  139  PHE A  144  1                                   6    
HELIX    9   9 ASN A  202  ILE A  206  5                                   5    
HELIX   10  10 TYR B    7  GLY B   11  1                                   5    
HELIX   11  11 SER B   24  GLY B   43  1                                  20    
HELIX   12  12 SER B   49  VAL B   57  1                                   9    
HELIX   13  13 ASP B   61  GLY B   65  5                                   5    
HELIX   14  14 MET B   68  ARG B   79  1                                  12    
HELIX   15  15 ASN B   99  LYS B  103  5                                   5    
HELIX   16  16 ASN B  117  GLY B  129  1                                  13    
HELIX   17  17 LEU B  139  PHE B  144  1                                   6    
HELIX   18  18 ASN B  202  ILE B  206  5                                   5    
SHEET    1   A 5 VAL A 149  TYR A 150  0                                        
SHEET    2   A 5 TYR A 193  ALA A 197  1  O  LEU A 195   N  TYR A 150           
SHEET    3   A 5 LYS A 176  LYS A 181 -1  N  ILE A 180   O  ILE A 194           
SHEET    4   A 5 HIS A 162  ILE A 171 -1  N  GLY A 170   O  HIS A 177           
SHEET    5   A 5 VAL A   5  ASP A   6 -1  N  VAL A   5   O  TYR A 169           
SHEET    1   B 5 VAL A 149  TYR A 150  0                                        
SHEET    2   B 5 TYR A 193  ALA A 197  1  O  LEU A 195   N  TYR A 150           
SHEET    3   B 5 LYS A 176  LYS A 181 -1  N  ILE A 180   O  ILE A 194           
SHEET    4   B 5 HIS A 162  ILE A 171 -1  N  GLY A 170   O  HIS A 177           
SHEET    5   B 5 VAL A 131  ILE A 135 -1  N  ILE A 135   O  HIS A 162           
SHEET    1   C 2 TYR A 110  GLU A 112  0                                        
SHEET    2   C 2 SER A 211  PRO A 213 -1  O  PHE A 212   N  ARG A 111           
SHEET    1   D 5 VAL B 149  TYR B 150  0                                        
SHEET    2   D 5 TYR B 193  ALA B 197  1  O  LEU B 195   N  TYR B 150           
SHEET    3   D 5 LYS B 176  LYS B 181 -1  N  ILE B 180   O  ILE B 194           
SHEET    4   D 5 HIS B 162  ALA B 166 -1  N  LEU B 165   O  LYS B 181           
SHEET    5   D 5 VAL B 131  ILE B 135 -1  N  ILE B 135   O  HIS B 162           
SHEET    1   E 5 VAL B 149  TYR B 150  0                                        
SHEET    2   E 5 TYR B 193  ALA B 197  1  O  LEU B 195   N  TYR B 150           
SHEET    3   E 5 LYS B 176  LYS B 181 -1  N  ILE B 180   O  ILE B 194           
SHEET    4   E 5 GLY B 168  ILE B 171 -1  N  GLY B 170   O  HIS B 177           
SHEET    5   E 5 VAL B   5  ASP B   6 -1  N  VAL B   5   O  TYR B 169           
SHEET    1   F 2 TYR B 110  GLU B 112  0                                        
SHEET    2   F 2 SER B 211  PRO B 213 -1  O  PHE B 212   N  ARG B 111           
SSBOND   1 CYS A   22    CYS A   63                          1555   1555  2.02  
SSBOND   2 CYS A   56    CYS A   96                          1555   1555  2.05  
SSBOND   3 CYS A  155    CYS A  204                          1555   1555  2.04  
SSBOND   4 CYS B   22    CYS B   63                          1555   1555  2.03  
SSBOND   5 CYS B   56    CYS B   96                          1555   1555  2.04  
SSBOND   6 CYS B  155    CYS B  204                          1555   1555  2.04  
LINK         SG  CYS A  25                 C31 750 A 501     1555   1555  1.79  
LINK         SG  CYS B  25                 C31 750 B 501     1555   1555  1.82  
SITE     1 AC1 22 GLN A  19  GLY A  20  CYS A  22  GLY A  23                    
SITE     2 AC1 22 SER A  24  CYS A  25  TRP A  26  SER A  58                    
SITE     3 AC1 22 GLU A  59  GLY A  65  GLY A  66  TYR A  67                    
SITE     4 AC1 22 ALA A 134  LEU A 160  ASN A 161  HIS A 162                    
SITE     5 AC1 22 TRP A 184  TRP A 188  TYR B  67  THR B  69                    
SITE     6 AC1 22 GLU B 112  LEU B 209                                          
SITE     1 AC2 24 TYR A  67  THR A  69  GLU A 112  LEU A 209                    
SITE     2 AC2 24 GLN B  19  GLY B  20  CYS B  22  GLY B  23                    
SITE     3 AC2 24 SER B  24  CYS B  25  TRP B  26  LYS B  41                    
SITE     4 AC2 24 THR B  42  SER B  58  GLU B  59  GLY B  65                    
SITE     5 AC2 24 GLY B  66  TYR B  67  ALA B 134  LEU B 160                    
SITE     6 AC2 24 ASN B 161  HIS B 162  TRP B 184  TRP B 188                    
CRYST1   71.816   75.888  114.841  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.013924  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013177  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008708        0.00000