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Database: PDB
Entry: 1T31
LinkDB: 1T31
Original site: 1T31 
HEADER    HYDROLASE                               23-APR-04   1T31              
TITLE     A DUAL INHIBITOR OF THE LEUKOCYTE PROTEASES CATHEPSIN G AND CHYMASE   
TITLE    2 WITH THERAPEUTIC EFFICACY IN ANIMALS MODELS OF INFLAMMATION          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CHYMASE;                                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: MAST CELL PROTEASE I;                                       
COMPND   5 EC: 3.4.21.39;                                                       
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 GENE: CMA1, CYM, CYH;                                                
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS                           
KEYWDS    HUMAN CHYMASE, SERINE PROTEINASE, HYDROLASE                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.DE GARAVILLA,M.N.GRECO,E.C.GIARDINO,G.I.WELLS,B.J.HAERTLEIN,        
AUTHOR   2 J.A.KAUFFMAN,T.W.CORCORAN,C.K.DERIAN,A.J.ECKARDT,W.M.ABRAHAM,        
AUTHOR   3 N.SUKUMAR,Z.CHEN,A.O.PINEDA,F.S.MATHEWS,E.DI CERA,P.ANDRADE-GORDON,  
AUTHOR   4 B.P.DAMIANO,B.E.MARYANOFF,P.J.B.PEREIRA,Z.M.WANG,H.RUBIN,R.HUBER,    
AUTHOR   5 W.BODE,N.M.SCHECHTER,S.STROBL                                        
REVDAT   7   23-AUG-23 1T31    1       REMARK                                   
REVDAT   6   27-OCT-21 1T31    1       SEQADV HETSYN                            
REVDAT   5   29-JUL-20 1T31    1       COMPND REMARK HETNAM LINK                
REVDAT   5 2                   1       SITE   ATOM                              
REVDAT   4   13-JUL-11 1T31    1       VERSN                                    
REVDAT   3   24-FEB-09 1T31    1       VERSN                                    
REVDAT   2   10-MAY-05 1T31    1       JRNL                                     
REVDAT   1   01-MAR-05 1T31    0                                                
JRNL        AUTH   L.DE GARAVILLA,M.N.GRECO,N.SUKUMAR,Z.W.CHEN,A.O.PINEDA,      
JRNL        AUTH 2 F.S.MATHEWS,E.DI CERA,E.C.GIARDINO,G.I.WELLS,B.J.HAERTLEIN,  
JRNL        AUTH 3 J.A.KAUFFMAN,T.W.CORCORAN,C.K.DERIAN,A.J.ECKARDT,            
JRNL        AUTH 4 B.P.DAMIANO,P.ANDRADE-GORDON,B.E.MARYANOFF                   
JRNL        TITL   A NOVEL, POTENT DUAL INHIBITOR OF THE LEUKOCYTE PROTEASES    
JRNL        TITL 2 CATHEPSIN G AND CHYMASE: MOLECULAR MECHANISMS AND            
JRNL        TITL 3 ANTI-INFLAMMATORY ACTIVITY IN VIVO.                          
JRNL        REF    J.BIOL.CHEM.                  V. 280 18001 2005              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   15741158                                                     
JRNL        DOI    10.1074/JBC.M501302200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 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) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.00                          
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)   (%) : 80.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 19651                          
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) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 947                             
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) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.02                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2329                       
REMARK   3   BIN FREE R VALUE                    : 0.3374                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 80                           
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            : 1755                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 139                                     
REMARK   3   SOLVENT ATOMS            : 219                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 10.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.21                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.15                            
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) : 0.27                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.21                            
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) : 24.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.920                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1T31 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-APR-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022248.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-NOV-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 20258                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 83.1                               
REMARK 200  DATA REDUNDANCY                : 5.300                              
REMARK 200  R MERGE                    (I) : 0.07500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 52.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.26500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1PJP                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, MES, COBALT            
REMARK 280  CHLORIDE, PH 6.5, VAPOR DIFFUSION, TEMPERATURE 296.0K               
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       23.20850            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       65.86650            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       23.20850            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       65.86650            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
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: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7590 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 20340 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -161.0 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      131.73300            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 S    SO4 A 902  LIES ON A SPECIAL POSITION.                          
REMARK 375 O2   SO4 A 902  LIES ON A SPECIAL POSITION.                          
REMARK 375 CO    CO A 909  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A1002  LIES ON A SPECIAL POSITION.                          
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   ND2  ASN A    72     O5   NAG B     1              2.19            
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  36B      14.14    -50.87                                   
REMARK 500    ASN A  36C     -25.94   -167.72                                   
REMARK 500    HIS A  71      -66.64   -134.78                                   
REMARK 500    SER A 189      160.63    178.94                                   
REMARK 500    SER A 214      -64.78   -108.26                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CO A 909  CO                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  25   NE2                                                    
REMARK 620 2 HIS A  25   NE2 101.9                                              
REMARK 620 3 GLU A  78   OE2  94.0  92.0                                        
REMARK 620 4 GLU A  78   OE2  92.0  93.9 170.5                                  
REMARK 620 5 HOH A1002   O   129.5 128.6  85.4  85.1                            
REMARK 620 6 HOH A1002   O   128.6 129.5  85.2  85.4   1.0                      
REMARK 620 7 HOH A1005   O    79.7 177.9  86.6  87.3  49.8  48.9                
REMARK 620 8 HOH A1005   O   177.9  79.7  87.3  86.5  48.9  49.8  98.7          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1PJP   RELATED DB: PDB                                   
REMARK 900 THE 2.2 A CRYSTAL STRUCTURE OF HUMAN CHYMASE IN COMPLEX WITH         
REMARK 900 SUCCINYL-ALA-ALA-PRO-PHE-CHLOROMETHYLKETONE: STRUCTURAL EXPLANATION  
REMARK 900 FOR ITS DIPEPTIDYL CARBOXYPEPTIDASE SPECIFICITY.                     
DBREF  1T31 A   16   245  UNP    P23946   MCT1_HUMAN      22    247             
SEQADV 1T31 PHE A  129  UNP  P23946    LYS   135 ENGINEERED MUTATION            
SEQADV 1T31 ALA A  208  UNP  P23946    VAL   212 ENGINEERED MUTATION            
SEQADV 1T31 GLN A  235  UNP  P23946    ARG   237 ENGINEERED MUTATION            
SEQRES   1 A  226  ILE ILE GLY GLY THR GLU CYS LYS PRO HIS SER ARG PRO          
SEQRES   2 A  226  TYR MET ALA TYR LEU GLU ILE VAL THR SER ASN GLY PRO          
SEQRES   3 A  226  SER LYS PHE CYS GLY GLY PHE LEU ILE ARG ARG ASN PHE          
SEQRES   4 A  226  VAL LEU THR ALA ALA HIS CYS ALA GLY ARG SER ILE THR          
SEQRES   5 A  226  VAL THR LEU GLY ALA HIS ASN ILE THR GLU GLU GLU ASP          
SEQRES   6 A  226  THR TRP GLN LYS LEU GLU VAL ILE LYS GLN PHE ARG HIS          
SEQRES   7 A  226  PRO LYS TYR ASN THR SER THR LEU HIS HIS ASP ILE MET          
SEQRES   8 A  226  LEU LEU LYS LEU LYS GLU LYS ALA SER LEU THR LEU ALA          
SEQRES   9 A  226  VAL GLY THR LEU PRO PHE PRO SER GLN LYS ASN PHE VAL          
SEQRES  10 A  226  PRO PRO GLY ARG MET CYS ARG VAL ALA GLY TRP GLY ARG          
SEQRES  11 A  226  THR GLY VAL LEU LYS PRO GLY SER ASP THR LEU GLN GLU          
SEQRES  12 A  226  VAL LYS LEU ARG LEU MET ASP PRO GLN ALA CYS SER HIS          
SEQRES  13 A  226  PHE ARG ASP PHE ASP HIS ASN LEU GLN LEU CYS VAL GLY          
SEQRES  14 A  226  ASN PRO ARG LYS THR LYS SER ALA PHE LYS GLY ASP SER          
SEQRES  15 A  226  GLY GLY PRO LEU LEU CYS ALA GLY ALA ALA GLN GLY ILE          
SEQRES  16 A  226  VAL SER TYR GLY ARG SER ASP ALA LYS PRO PRO ALA VAL          
SEQRES  17 A  226  PHE THR ARG ILE SER HIS TYR GLN PRO TRP ILE ASN GLN          
SEQRES  18 A  226  ILE LEU GLN ALA ASN                                          
MODRES 1T31 ASN A   72  ASN  GLYCOSYLATION SITE                                 
MODRES 1T31 ASN A   95  ASN  GLYCOSYLATION SITE                                 
HET    NAG  B   1      14                                                       
HET    NAG  B   2      14                                                       
HET    NAG  A 302      14                                                       
HET    SO4  A 902       5                                                       
HET    SO4  A 903       5                                                       
HET    SO4  A 904       5                                                       
HET    SO4  A 905       5                                                       
HET    SO4  A 906       5                                                       
HET    SO4  A 907       5                                                       
HET    SO4  A 908       5                                                       
HET     CO  A 909       1                                                       
HET    OHH  A 901      49                                                       
HET    MES  A 910      12                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM     SO4 SULFATE ION                                                      
HETNAM      CO COBALT (II) ION                                                  
HETNAM     OHH 2-[3-({METHYL[1-(2-NAPHTHOYL)PIPERIDIN-4-                        
HETNAM   2 OHH  YL]AMINO}CARBONYL)-2-NAPHTHYL]-1-(1-NAPHTHYL)-2-                
HETNAM   3 OHH  OXOETHYLPHOSPHONIC ACID                                         
HETNAM     MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID                             
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-           
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-          
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                         
FORMUL   2  NAG    3(C8 H15 N O6)                                               
FORMUL   4  SO4    7(O4 S 2-)                                                   
FORMUL  11   CO    CO 2+                                                        
FORMUL  12  OHH    C40 H35 N2 O6 P                                              
FORMUL  13  MES    C6 H13 N O4 S                                                
FORMUL  14  HOH   *219(H2 O)                                                    
HELIX    1   1 ALA A   55  ALA A   59  5                                   5    
HELIX    2   2 ASP A  164  SER A  169  5                                   6    
HELIX    3   3 TYR A  234  ASN A  245  1                                  12    
SHEET    1   A 8 THR A  20  GLU A  21  0                                        
SHEET    2   A 8 GLN A 156  MET A 163 -1  O  GLU A 157   N  THR A  20           
SHEET    3   A 8 GLN A 180  VAL A 183 -1  O  CYS A 182   N  MET A 163           
SHEET    4   A 8 ALA A 226  ARG A 230 -1  O  PHE A 228   N  LEU A 181           
SHEET    5   A 8 ALA A 208  TYR A 215 -1  N  TYR A 215   O  VAL A 227           
SHEET    6   A 8 PRO A 198  CYS A 201 -1  N  LEU A 199   O  GLN A 210           
SHEET    7   A 8 MET A 135  GLY A 140 -1  N  ARG A 137   O  LEU A 200           
SHEET    8   A 8 GLN A 156  MET A 163 -1  O  LEU A 160   N  CYS A 136           
SHEET    1   B 7 MET A  30  VAL A  36  0                                        
SHEET    2   B 7 LYS A  40  ARG A  48 -1  O  LYS A  40   N  ILE A  35           
SHEET    3   B 7 PHE A  51  THR A  54 -1  O  LEU A  53   N  PHE A  45           
SHEET    4   B 7 MET A 104  LEU A 108 -1  O  MET A 104   N  THR A  54           
SHEET    5   B 7 GLN A  81  ARG A  90 -1  N  PHE A  89   O  LEU A 105           
SHEET    6   B 7 SER A  63  LEU A  68 -1  N  VAL A  66   O  LEU A  83           
SHEET    7   B 7 MET A  30  VAL A  36 -1  N  VAL A  36   O  SER A  63           
SSBOND   1 CYS A   42    CYS A   58                          1555   1555  2.03  
SSBOND   2 CYS A  136    CYS A  201                          1555   1555  2.04  
SSBOND   3 CYS A  168    CYS A  182                          1555   1555  2.03  
LINK         ND2 ASN A  72                 C1  NAG B   1     1555   1555  1.45  
LINK         ND2 ASN A  95                 C1  NAG A 302     1555   1555  1.45  
LINK         O4  NAG B   1                 C1  NAG B   2     1555   1555  1.47  
LINK         NE2 HIS A  25                CO    CO A 909     1555   1555  2.07  
LINK         NE2 HIS A  25                CO    CO A 909     2565   1555  2.07  
LINK         OE2 GLU A  78                CO    CO A 909     1555   1555  2.09  
LINK         OE2 GLU A  78                CO    CO A 909     2565   1555  2.09  
LINK        CO    CO A 909                 O   HOH A1002     1555   1555  2.75  
LINK        CO    CO A 909                 O   HOH A1002     1555   2565  2.75  
LINK        CO    CO A 909                 O   HOH A1005     1555   1555  2.03  
LINK        CO    CO A 909                 O   HOH A1005     1555   2565  2.03  
CISPEP   1 PRO A  224    PRO A  225          0         0.00                     
CRYST1   46.417  131.733   49.219  90.00  90.00  90.00 P 21 21 2     4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.021544  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007591  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020317        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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