PDB Short entry for 1YEC
HEADER    CATALYTIC ANTIBODY                      15-APR-97   1YEC              
TITLE     STRUCTURE OF A CATALYTIC ANTIBODY IGG2A FAB FRAGMENT (D2.3)           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: IGG2A FAB FRAGMENT (D2.3);                                 
COMPND   3 CHAIN: L;                                                            
COMPND   4 OTHER_DETAILS: CATALYTIC ANTIBODY, TRANSITION STATE ANALOGUE;        
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: IGG2A FAB FRAGMENT (D2.3);                                 
COMPND   7 CHAIN: H;                                                            
COMPND   8 OTHER_DETAILS: CATALYTIC ANTIBODY, TRANSITION STATE ANALOGUE         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   4 ORGANISM_TAXID: 10090;                                               
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   7 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   8 ORGANISM_TAXID: 10090                                                
KEYWDS    CATALYTIC ANTIBODY, TRANSITION STATE ANALOGUE                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.GOLINELLI-PIMPANEAU,M.KNOSSOW                                       
REVDAT   3   09-AUG-23 1YEC    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1YEC    1       VERSN                                    
REVDAT   1   15-OCT-97 1YEC    0                                                
JRNL        AUTH   J.B.CHARBONNIER,B.GOLINELLI-PIMPANEAU,B.GIGANT,D.S.TAWFIK,   
JRNL        AUTH 2 R.CHAP,D.G.SCHINDLER,S.H.KIM,B.S.GREEN,Z.ESHHAR,M.KNOSSOW    
JRNL        TITL   STRUCTURAL CONVERGENCE IN THE ACTIVE SITES OF A FAMILY OF    
JRNL        TITL 2 CATALYTIC ANTIBODIES.                                        
JRNL        REF    SCIENCE                       V. 275  1140 1997              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   9027317                                                      
JRNL        DOI    10.1126/SCIENCE.275.5303.1140                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.84                                          
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
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)   (%) : 98.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 92749                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.208                           
REMARK   3   FREE R VALUE                     : 0.252                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
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) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
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            : 3388                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 31                                      
REMARK   3   SOLVENT ATOMS            : 149                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 35.00                          
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) : 0.25                            
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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.703                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 28.48                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.382                           
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  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:                                           
REMARK   3  RESIDUES POORLY DEFINED BY THE ELECTRON DENSITY:                    
REMARK   3  CHAIN L: 212 - 214                                                  
REMARK   3  CHAIN H: 127 - 134                                                  
REMARK   4                                                                      
REMARK   4 1YEC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000177379.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-JUL-95                          
REMARK 200  TEMPERATURE           (KELVIN) : 278                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : LURE                               
REMARK 200  BEAMLINE                       : DW32                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.901                              
REMARK 200  MONOCHROMATOR                  : GRAPHITE(002)                      
REMARK 200  OPTICS                         : BENT MIRROR                        
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM 5.2, CCP4                   
REMARK 200  DATA SCALING SOFTWARE          : CCP4                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 44679                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY                : 2.100                              
REMARK 200  R MERGE                    (I) : 0.06300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
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: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPACEMENT         
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1KNO                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.70                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.0                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       52.98000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      105.96000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      105.96000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       52.98000            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5330 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19190 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -144.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H                                  
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: 1800 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 22730 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -159.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L                                     
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: H                                     
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000       39.09000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       67.70587            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      105.96000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    LEU L  11   CA  -  CB  -  CG  ANGL. DEV. =  14.1 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    VAL L  51      -45.38     68.57                                   
REMARK 500    ASN L 190      -62.31   -107.63                                   
REMARK 500    THR L 200        9.36    -65.76                                   
REMARK 500    ASN L 212     -138.63   -152.74                                   
REMARK 500    SER H  41       51.56     34.07                                   
REMARK 500    ILE H  48      -61.18    -95.42                                   
REMARK 500    VAL H 127      -41.14   -137.44                                   
REMARK 500    THR H 132     -149.60     57.11                                   
REMARK 500    SER H 134      -78.29     78.98                                   
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                              ZN L 217  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS L  49   NE2                                                    
REMARK 620 2 HOH L 264   O   106.3                                              
REMARK 620 3 ASP H 100C  OD1 104.5 139.9                                        
REMARK 620 4 HOH H 580   O    89.6 116.8  88.3                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 221  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP L  60   OD2                                                    
REMARK 620 2 HOH L 271   O    89.5                                              
REMARK 620 3 HOH L 272   O   112.1 102.6                                        
REMARK 620 4 HOH L 274   O   129.2 127.9  93.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 218  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS L  93   ND1                                                    
REMARK 620 2 HOH L 258   O   124.6                                              
REMARK 620 3 HOH L 300   O    82.5  89.4                                        
REMARK 620 4 ASP H 181   OD1 108.9 116.6 131.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 219  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP L 151   OD2                                                    
REMARK 620 2 HIS L 189   ND1 110.5                                              
REMARK 620 3 HOH L 256   O   133.5 108.5                                        
REMARK 620 4 HOH L 270   O   104.8  92.6  97.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 215  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH L 270   O                                                      
REMARK 620 2 HOH L 271   O   115.9                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 216  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH L 288   O                                                      
REMARK 620 2 HOH L 300   O    94.2                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN L 220  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH L 256   O                                                      
REMARK 620 2 HOH L 272   O   115.1                                              
REMARK 620 3 HOH L 281   O    86.7  86.5                                        
REMARK 620 4 HOH L 283   O   141.0 102.3 106.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 215                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 216                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 217                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 218                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 219                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 220                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN L 221                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PNB H 551                 
DBREF  1YEC L    1   214  PIR    S16112   S16112           1    219             
DBREF  1YEC H  114   223  UNP    P01863   GCAA_MOUSE       1     99             
SEQADV 1YEC ILE L    2  PIR  S16112    VAL     2 CONFLICT                       
SEQADV 1YEC SER L    7  PIR  S16112    THR     7 CONFLICT                       
SEQADV 1YEC THR L   10  PIR  S16112    SER    10 CONFLICT                       
SEQADV 1YEC SER L   12  PIR  S16112    PRO    12 CONFLICT                       
SEQADV 1YEC THR L   14  PIR  S16112    SER    14 CONFLICT                       
SEQADV 1YEC ILE L   15  PIR  S16112    LEU    15 CONFLICT                       
SEQADV 1YEC GLN L   17  PIR  S16112    ASP    17 CONFLICT                       
SEQADV 1YEC PRO L   18  PIR  S16112    GLN    18 CONFLICT                       
SEQADV 1YEC LYS L   24  PIR  S16112    ARG    24 CONFLICT                       
SEQADV 1YEC LEU L   27B PIR  S16112    VAL    30 CONFLICT                       
SEQADV 1YEC TYR L   27D PIR  S16112    HIS    31 CONFLICT                       
SEQADV 1YEC LYS L   30  PIR  S16112    ASN    35 CONFLICT                       
SEQADV 1YEC ASN L   34  PIR  S16112    TYR    39 CONFLICT                       
SEQADV 1YEC LEU L   36  PIR  S16112    TYR    41 CONFLICT                       
SEQADV 1YEC ARG L   39  PIR  S16112    LYS    44 CONFLICT                       
SEQADV 1YEC ARG L   46  PIR  S16112    PRO    51 CONFLICT                       
SEQADV 1YEC HIS L   49  PIR  S16112    TYR    54 CONFLICT                       
SEQADV 1YEC LEU L   50  PIR  S16112    ARG    55 CONFLICT                       
SEQADV 1YEC LYS L   53  PIR  S16112    ASN    58 CONFLICT                       
SEQADV 1YEC LEU L   54  PIR  S16112    ARG    59 CONFLICT                       
SEQADV 1YEC ASP L   55  PIR  S16112    PHE    60 CONFLICT                       
SEQADV 1YEC ILE L   62  PIR  S16112    PHE    67 CONFLICT                       
SEQADV 1YEC THR L   63  PIR  S16112    SER    68 CONFLICT                       
SEQADV 1YEC ALA L   81  PIR  S16112    GLU    86 CONFLICT                       
SEQADV 1YEC TYR L   87  PIR  S16112    PHE    92 CONFLICT                       
SEQADV 1YEC VAL L   89  PIR  S16112    PHE    94 CONFLICT                       
SEQADV 1YEC PHE L   94  PIR  S16112    VAL    99 CONFLICT                       
SEQADV 1YEC LYS L  103  PIR  S16112    ARG   108 CONFLICT                       
SEQADV 1YEC LEU L  107  PIR  S16112    LYS   112 CONFLICT                       
SEQADV 1YEC GLY L  109  PIR  S16112    ALA   114 CONFLICT                       
SEQRES   1 L  219  ASP ILE VAL MET THR GLN SER PRO LEU THR LEU SER VAL          
SEQRES   2 L  219  THR ILE GLY GLN PRO ALA SER ILE SER CYS LYS SER SER          
SEQRES   3 L  219  GLN SER LEU LEU TYR SER ASN GLY LYS THR TYR LEU ASN          
SEQRES   4 L  219  TRP LEU LEU GLN ARG PRO GLY GLN SER PRO LYS ARG LEU          
SEQRES   5 L  219  ILE HIS LEU VAL SER LYS LEU ASP SER GLY VAL PRO ASP          
SEQRES   6 L  219  ARG ILE THR GLY SER GLY SER GLY THR ASP PHE THR LEU          
SEQRES   7 L  219  LYS ILE SER ARG VAL GLU ALA ALA ASP LEU GLY VAL TYR          
SEQRES   8 L  219  TYR CYS VAL GLN GLY THR HIS PHE PRO TYR THR PHE GLY          
SEQRES   9 L  219  GLY GLY THR LYS LEU GLU ILE LEU ARG GLY ASP ALA ALA          
SEQRES  10 L  219  PRO THR VAL SER ILE PHE PRO PRO SER SER GLU GLN LEU          
SEQRES  11 L  219  THR SER GLY GLY ALA SER VAL VAL CYS PHE LEU ASN ASN          
SEQRES  12 L  219  PHE TYR PRO LYS ASP ILE ASN VAL LYS TRP LYS ILE ASP          
SEQRES  13 L  219  GLY SER GLU ARG GLN ASN GLY VAL LEU ASN SER TRP THR          
SEQRES  14 L  219  ASP GLN ASP SER LYS ASP SER THR TYR SER MET SER SER          
SEQRES  15 L  219  THR LEU THR LEU THR LYS ASP GLU TYR GLU ARG HIS ASN          
SEQRES  16 L  219  SER TYR THR CYS GLU ALA THR HIS LYS THR SER THR SER          
SEQRES  17 L  219  PRO ILE VAL LYS SER PHE ASN ARG ASN GLU CYS                  
SEQRES   1 H  222  GLU MET GLN LEU GLN GLN SER GLY ALA GLU LEU LEU ARG          
SEQRES   2 H  222  PRO GLY THR SER VAL LYS LEU SER CYS LYS THR SER GLY          
SEQRES   3 H  222  TYR ILE PHE THR SER TYR TRP ILE HIS TRP VAL LYS GLN          
SEQRES   4 H  222  ARG SER GLY GLN GLY LEU GLU TRP ILE ALA ARG ILE TYR          
SEQRES   5 H  222  PRO GLY THR GLY SER THR TYR TYR ASN GLU LYS PHE LYS          
SEQRES   6 H  222  GLY LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR          
SEQRES   7 H  222  ALA TYR MET GLN LEU SER THR LEU LYS SER GLU ASP SER          
SEQRES   8 H  222  ALA VAL TYR PHE CYS THR ARG TRP GLY PHE ILE PRO VAL          
SEQRES   9 H  222  ARG GLU ASP TYR VAL MET ASP TYR TRP GLY GLN GLY THR          
SEQRES  10 H  222  LEU VAL THR VAL SER SER ALA LYS THR THR ALA PRO SER          
SEQRES  11 H  222  VAL TYR PRO LEU ALA PRO VAL CYS GLY ASP THR THR GLY          
SEQRES  12 H  222  SER SER VAL THR LEU GLY CYS LEU VAL LYS GLY TYR PHE          
SEQRES  13 H  222  PRO GLU PRO VAL THR LEU THR TRP ASN SER GLY SER LEU          
SEQRES  14 H  222  SER SER GLY VAL HIS THR PHE PRO ALA VAL LEU GLN SER          
SEQRES  15 H  222  ASP LEU TYR THR LEU SER SER SER VAL THR VAL THR SER          
SEQRES  16 H  222  SER THR TRP PRO SER GLN SER ILE THR CYS ASN VAL ALA          
SEQRES  17 H  222  HIS PRO ALA SER SER THR LYS VAL ASP LYS LYS ILE GLU          
SEQRES  18 H  222  PRO                                                          
HET     ZN  L 215       1                                                       
HET     ZN  L 216       1                                                       
HET     ZN  L 217       1                                                       
HET     ZN  L 218       1                                                       
HET     ZN  L 219       1                                                       
HET     ZN  L 220       1                                                       
HET     ZN  L 221       1                                                       
HET    PNB  H 551      24                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     PNB 4-NITRO-BENZYLPHOSPHONOBUTANOYL-GLYCINE                          
FORMUL   3   ZN    7(ZN 2+)                                                     
FORMUL  10  PNB    C13 H17 N2 O8 P                                              
FORMUL  11  HOH   *149(H2 O)                                                    
HELIX    1   1 ALA L   80  ASP L   82  5                                   3    
HELIX    2   2 SER L  122  SER L  127  1                                   6    
HELIX    3   3 LYS L  183  ARG L  188  1                                   6    
HELIX    4   4 PHE H   29  SER H   31  5                                   3    
HELIX    5   5 GLU H   61  PHE H   63  5                                   3    
HELIX    6   6 SER H   84  ASP H   86  5                                   3    
HELIX    7   7 ASN H  160  GLY H  162  5                                   3    
HELIX    8   8 PRO H  211  SER H  213  5                                   3    
SHEET    1   A 4 MET L   4  SER L   7  0                                        
SHEET    2   A 4 ALA L  19  SER L  25 -1  N  LYS L  24   O  THR L   5           
SHEET    3   A 4 ASP L  70  ILE L  75 -1  N  ILE L  75   O  ALA L  19           
SHEET    4   A 4 ILE L  62  SER L  67 -1  N  SER L  67   O  ASP L  70           
SHEET    1   B 5 THR L  10  THR L  14  0                                        
SHEET    2   B 5 THR L 102  LEU L 107  1  N  LYS L 103   O  LEU L  11           
SHEET    3   B 5 GLY L  84  GLN L  90 -1  N  TYR L  86   O  THR L 102           
SHEET    4   B 5 LEU L  33  GLN L  38 -1  N  GLN L  38   O  VAL L  85           
SHEET    5   B 5 PRO L  44  ILE L  48 -1  N  ILE L  48   O  TRP L  35           
SHEET    1   C 4 THR L 114  PHE L 118  0                                        
SHEET    2   C 4 GLY L 129  ASN L 137 -1  N  ASN L 137   O  THR L 114           
SHEET    3   C 4 MET L 175  THR L 182 -1  N  LEU L 181   O  ALA L 130           
SHEET    4   C 4 VAL L 159  TRP L 163 -1  N  SER L 162   O  SER L 176           
SHEET    1   D 4 SER L 153  ARG L 155  0                                        
SHEET    2   D 4 ILE L 144  ILE L 150 -1  N  ILE L 150   O  SER L 153           
SHEET    3   D 4 SER L 191  HIS L 198 -1  N  THR L 197   O  ASN L 145           
SHEET    4   D 4 ILE L 205  ASN L 210 -1  N  PHE L 209   O  TYR L 192           
SHEET    1   E 4 GLN H   3  GLN H   6  0                                        
SHEET    2   E 4 VAL H  18  SER H  25 -1  N  SER H  25   O  GLN H   3           
SHEET    3   E 4 THR H  77  LEU H  82 -1  N  LEU H  82   O  VAL H  18           
SHEET    4   E 4 ALA H  67  ASP H  72 -1  N  ASP H  72   O  THR H  77           
SHEET    1   F 6 GLU H  10  LEU H  12  0                                        
SHEET    2   F 6 THR H 107  VAL H 111  1  N  THR H 110   O  GLU H  10           
SHEET    3   F 6 ALA H  88  THR H  93 -1  N  TYR H  90   O  THR H 107           
SHEET    4   F 6 TRP H  33  GLN H  39 -1  N  GLN H  39   O  VAL H  89           
SHEET    5   F 6 LEU H  45  TYR H  52 -1  N  ILE H  51   O  ILE H  34           
SHEET    6   F 6 SER H  56  TYR H  59 -1  N  TYR H  58   O  ARG H  50           
SHEET    1   G 4 SER H 120  LEU H 124  0                                        
SHEET    2   G 4 SER H 135  TYR H 145 -1  N  LYS H 143   O  SER H 120           
SHEET    3   G 4 TYR H 183  THR H 192 -1  N  VAL H 191   O  VAL H 136           
SHEET    4   G 4 VAL H 169  THR H 171 -1  N  HIS H 170   O  SER H 188           
SHEET    1   H 3 THR H 151  TRP H 155  0                                        
SHEET    2   H 3 THR H 204  HIS H 210 -1  N  ALA H 209   O  THR H 151           
SHEET    3   H 3 THR H 215  LYS H 220 -1  N  LYS H 219   O  CYS H 206           
SHEET    1   I 2 VAL H 175  GLN H 177  0                                        
SHEET    2   I 2 LEU H 182  THR H 184 -1  N  THR H 184   O  VAL H 175           
SSBOND   1 CYS L   23    CYS L   88                          1555   1555  2.03  
SSBOND   2 CYS L  134    CYS L  194                          1555   1555  2.02  
SSBOND   3 CYS H   22    CYS H   92                          1555   1555  2.02  
SSBOND   4 CYS H  140    CYS H  206                          1555   1555  2.03  
LINK         NE2 HIS L  49                ZN    ZN L 217     1555   1555  2.29  
LINK         OD2 ASP L  60                ZN    ZN L 221     4456   1555  2.01  
LINK         ND1 HIS L  93                ZN    ZN L 218     1555   1555  2.35  
LINK         OD2 ASP L 151                ZN    ZN L 219     1555   1555  1.94  
LINK         ND1 HIS L 189                ZN    ZN L 219     1555   1555  2.40  
LINK        ZN    ZN L 215                 O   HOH L 270     1555   1655  1.64  
LINK        ZN    ZN L 215                 O   HOH L 271     1555   1655  1.64  
LINK        ZN    ZN L 216                 O   HOH L 288     1555   1555  1.63  
LINK        ZN    ZN L 216                 O   HOH L 300     1555   1555  2.56  
LINK        ZN    ZN L 217                 O   HOH L 264     1555   1555  1.64  
LINK        ZN    ZN L 217                 OD1 ASP H 100C    1555   1555  2.18  
LINK        ZN    ZN L 217                 O   HOH H 580     1555   1555  1.65  
LINK        ZN    ZN L 218                 O   HOH L 258     1555   1555  2.00  
LINK        ZN    ZN L 218                 O   HOH L 300     1555   1555  1.66  
LINK        ZN    ZN L 218                 OD1 ASP H 181     1555   5665  1.79  
LINK        ZN    ZN L 219                 O   HOH L 256     1555   1555  1.67  
LINK        ZN    ZN L 219                 O   HOH L 270     1555   1555  2.31  
LINK        ZN    ZN L 220                 O   HOH L 256     1555   1555  1.67  
LINK        ZN    ZN L 220                 O   HOH L 272     1555   1555  1.69  
LINK        ZN    ZN L 220                 O   HOH L 281     1555   1555  2.11  
LINK        ZN    ZN L 220                 O   HOH L 283     1555   1555  1.60  
LINK        ZN    ZN L 221                 O   HOH L 271     1555   1555  1.77  
LINK        ZN    ZN L 221                 O   HOH L 272     1555   1555  1.76  
LINK        ZN    ZN L 221                 O   HOH L 274     1555   1555  2.03  
CISPEP   1 SER L    7    PRO L    8          0        -0.02                     
CISPEP   2 PHE L   94    PRO L   95          0         0.01                     
CISPEP   3 TYR L  140    PRO L  141          0        -0.61                     
CISPEP   4 PHE H  146    PRO H  147          0        -0.31                     
CISPEP   5 GLU H  148    PRO H  149          0         0.43                     
CISPEP   6 TRP H  197    PRO H  198          0        -0.05                     
SITE     1 AC1  4  ZN L 219   ZN L 221  HOH L 270  HOH L 271                    
SITE     1 AC2  4 SER H 112   ZN L 218  HOH L 288  HOH L 300                    
SITE     1 AC3  4 ASP H 100C HOH H 580  HIS L  49  HOH L 264                    
SITE     1 AC4  5 ASP H 181  HIS L  93   ZN L 216  HOH L 258                    
SITE     2 AC4  5 HOH L 300                                                     
SITE     1 AC5  6 ASP L 151  HIS L 189   ZN L 215   ZN L 220                    
SITE     2 AC5  6 HOH L 256  HOH L 270                                          
SITE     1 AC6  6  ZN L 219   ZN L 221  HOH L 256  HOH L 272                    
SITE     2 AC6  6 HOH L 281  HOH L 283                                          
SITE     1 AC7  6 ASP L  60   ZN L 215   ZN L 220  HOH L 271                    
SITE     2 AC7  6 HOH L 272  HOH L 274                                          
SITE     1 AC8 15 HIS H  35  VAL H  37  THR H  93  TRP H  95                    
SITE     2 AC8 15 PHE H  97  TYR H 100D TRP H 103  HOH H 561                    
SITE     3 AC8 15 TYR L  27D ASN L  34  VAL L  89  GLY L  91                    
SITE     4 AC8 15 PHE L  94  TYR L  96  PHE L  98                               
CRYST1   78.180   78.180  158.940  90.00  90.00 120.00 P 31 2 1      6          
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      0.012791  0.007385  0.000000        0.00000                         
SCALE2      0.000000  0.014770  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006292        0.00000