HEADER    HYDROLASE                               08-NOV-99   1DD6              
TITLE     IMP-1 METALLO BETA-LACTAMASE FROM PSEUDOMONAS AERUGINOSA IN COMPLEX   
TITLE    2 WITH A MERCAPTOCARBOXYLATE INHIBITOR                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: IMP-1 METALLO BETA-LACTAMASE;                              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.5.2.6;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA;                         
SOURCE   3 ORGANISM_TAXID: 287;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   7 EXPRESSION_SYSTEM_VECTOR: PET                                        
KEYWDS    METALLO BETA-LACTAMASE INHIBITOR, MERCAPTOCARBOXYLATE INHIBITOR, IMP- 
KEYWDS   2 1 METALLO BETA-LACTAMASE, HYDROLASE                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.O.CONCHA,C.A.JANSON,P.ROWLING,S.PEARSON,C.A.CHEEVER,B.P.CLARKE,     
AUTHOR   2 C.LEWIS,M.GALLENI,J.M.FRERE,D.J.PAYNE,J.H.BATESON,S.S.ABDEL-MEGUID   
REVDAT   5   07-FEB-24 1DD6    1       REMARK LINK                              
REVDAT   4   11-OCT-17 1DD6    1       REMARK                                   
REVDAT   3   04-OCT-17 1DD6    1       REMARK                                   
REVDAT   2   24-FEB-09 1DD6    1       VERSN                                    
REVDAT   1   08-NOV-00 1DD6    0                                                
JRNL        AUTH   N.O.CONCHA,C.A.JANSON,P.ROWLING,S.PEARSON,C.A.CHEEVER,       
JRNL        AUTH 2 B.P.CLARKE,C.LEWIS,M.GALLENI,J.M.FRERE,D.J.PAYNE,            
JRNL        AUTH 3 J.H.BATESON,S.S.ABDEL-MEGUID                                 
JRNL        TITL   CRYSTAL STRUCTURE OF THE IMP-1 METALLO BETA-LACTAMASE FROM   
JRNL        TITL 2 PSEUDOMONAS AERUGINOSA AND ITS COMPLEX WITH A                
JRNL        TITL 3 MERCAPTOCARBOXYLATE INHIBITOR: BINDING DETERMINANTS OF A     
JRNL        TITL 4 POTENT, BROAD-SPECTRUM INHIBITOR.                            
JRNL        REF    BIOCHEMISTRY                  V.  39  4288 2000              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10757977                                                     
JRNL        DOI    10.1021/BI992569M                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 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) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
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)   (%) : 94.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 33702                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.259                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 3355                            
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          : 67                                      
REMARK   3   SOLVENT ATOMS            : 340                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 25.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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) : 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) : 0.018                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.000                           
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1DD6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-NOV-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009987.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-APR-97; 11-NOV-98               
REMARK 200  TEMPERATURE           (KELVIN) : 298; 100                           
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N; Y                               
REMARK 200  RADIATION SOURCE               : ROTATING ANODE; NSLS               
REMARK 200  BEAMLINE                       : NULL; X25                          
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU300; NULL                 
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54; 1.1000                       
REMARK 200  MONOCHROMATOR                  : NULL; NULL                         
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE; IMAGE PLATE           
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH; MARRESEARCH           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 545270                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : 16.00                              
REMARK 200  R MERGE                    (I) : 0.10300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.76                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SITTING DROPS WERE PREPARED BY MIXING    
REMARK 280  EQUAL VOLUMES OF PROTEIN WHICH WAS 14 MG/ ML IN 20MM HEPES, PH      
REMARK 280  7.5 AND TO WHICH AN EXCESS OF SOLID INHIBITOR HAD BEEN ADDED AND    
REMARK 280  RESERVOIR SOLUTION (30% PEG 2000 MONOMETHYLETHER, 0.1M SODIUM       
REMARK 280  ACETATE, PH 5.0 AND 0.2M AMMONIUM SULFATE). THIS MIXTURE WAS        
REMARK 280  INCUBATED OVERNIGHT AT 4C AND CENTRIFUGED TO REMOVE PRECIPITATE     
REMARK 280  BEFORE SETTING UP CRYSTALLIZATION DROPS. CO-CRYSTALS WERE GROWN     
REMARK 280  FROM 6 ML SITTING DROPS OF THE PROTEIN-RESERVOIR SOLUTION AND       
REMARK 280  0.3 ML OF THE RESERVOIR SOLUTION AT EITHER ROOM TEMPERATURE OR      
REMARK 280  4C, PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K         
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       24.65000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      101.65000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       25.60000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000      101.65000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       24.65000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       25.60000            
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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     ALA A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     SER A   220                                                      
REMARK 465     LYS A   221                                                      
REMARK 465     LYS A   222                                                      
REMARK 465     PRO A   223                                                      
REMARK 465     SER A   224                                                      
REMARK 465     LYS A   225                                                      
REMARK 465     PRO A   226                                                      
REMARK 465     SER A   227                                                      
REMARK 465     ASN A   228                                                      
REMARK 465     ALA B     1                                                      
REMARK 465     GLU B     2                                                      
REMARK 465     SER B     3                                                      
REMARK 465     LYS B   221                                                      
REMARK 465     LYS B   222                                                      
REMARK 465     PRO B   223                                                      
REMARK 465     SER B   224                                                      
REMARK 465     LYS B   225                                                      
REMARK 465     PRO B   226                                                      
REMARK 465     SER B   227                                                      
REMARK 465     ASN B   228                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASN A  41       83.27     30.39                                   
REMARK 500    ALA A  42       -3.42     66.76                                   
REMARK 500    ASP A  48      136.31     77.16                                   
REMARK 500    ASN A 128       13.02     58.54                                   
REMARK 500    LYS A 129      -35.05   -130.19                                   
REMARK 500    ASP A 202     -168.01   -111.79                                   
REMARK 500    ASN A 218      -79.96    -54.25                                   
REMARK 500    ASN B  26      105.52    -41.33                                   
REMARK 500    ASN B  41       76.70     33.47                                   
REMARK 500    ASP B  48      145.05     80.48                                   
REMARK 500    PRO B  50      178.62    -58.11                                   
REMARK 500    LYS B 127      119.04    -34.77                                   
REMARK 500    ASP B 202     -160.10   -107.40                                   
REMARK 500    GLU B 219       23.38    -66.16                                   
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 A 502  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  77   NE2                                                    
REMARK 620 2 HIS A  79   ND1 108.0                                              
REMARK 620 3 HIS A 139   NE2 108.4 107.5                                        
REMARK 620 4 MCI A 550   S20 124.6 107.2  99.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 503  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  81   OD2                                                    
REMARK 620 2 CYS A 158   SG  112.8                                              
REMARK 620 3 HIS A 197   NE2 100.0 106.9                                        
REMARK 620 4 MCI A 550   S20 105.3 118.8 111.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 504  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  77   NE2                                                    
REMARK 620 2 HIS B  79   ND1 111.1                                              
REMARK 620 3 HIS B 139   NE2 104.9 104.4                                        
REMARK 620 4 MCI B 551   S20 126.5 101.6 106.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 505  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B  81   OD2                                                    
REMARK 620 2 CYS B 158   SG  118.0                                              
REMARK 620 3 HIS B 197   NE2  83.3 114.2                                        
REMARK 620 4 MCI B 551   S20  97.3 125.4 109.9                                  
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 SO4 A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 502                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 503                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 504                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 505                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MCI A 550                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MCI B 551                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DDK   RELATED DB: PDB                                   
DBREF  1DD6 A    1   228  UNP    P52699   BLAB_SERMA      19    246             
DBREF  1DD6 B    1   228  UNP    P52699   BLAB_SERMA      19    246             
SEQRES   1 A  228  ALA GLU SER LEU PRO ASP LEU LYS ILE GLU LYS LEU ASP          
SEQRES   2 A  228  GLU GLY VAL TYR VAL HIS THR SER PHE GLU GLU VAL ASN          
SEQRES   3 A  228  GLY TRP GLY VAL VAL PRO LYS HIS GLY LEU VAL VAL LEU          
SEQRES   4 A  228  VAL ASN ALA GLU ALA TYR LEU ILE ASP THR PRO PHE THR          
SEQRES   5 A  228  ALA LYS ASP THR GLU LYS LEU VAL THR TRP PHE VAL GLU          
SEQRES   6 A  228  ARG GLY TYR LYS ILE LYS GLY SER ILE SER SER HIS PHE          
SEQRES   7 A  228  HIS SER ASP SER THR GLY GLY ILE GLU TRP LEU ASN SER          
SEQRES   8 A  228  ARG SER ILE PRO THR TYR ALA SER GLU LEU THR ASN GLU          
SEQRES   9 A  228  LEU LEU LYS LYS ASP GLY LYS VAL GLN ALA THR ASN SER          
SEQRES  10 A  228  PHE SER GLY VAL ASN TYR TRP LEU VAL LYS ASN LYS ILE          
SEQRES  11 A  228  GLU VAL PHE TYR PRO GLY PRO GLY HIS THR PRO ASP ASN          
SEQRES  12 A  228  VAL VAL VAL TRP LEU PRO GLU ARG LYS ILE LEU PHE GLY          
SEQRES  13 A  228  GLY CYS PHE ILE LYS PRO TYR GLY LEU GLY ASN LEU GLY          
SEQRES  14 A  228  ASP ALA ASN ILE GLU ALA TRP PRO LYS SER ALA LYS LEU          
SEQRES  15 A  228  LEU LYS SER LYS TYR GLY LYS ALA LYS LEU VAL VAL PRO          
SEQRES  16 A  228  SER HIS SER GLU VAL GLY ASP ALA SER LEU LEU LYS LEU          
SEQRES  17 A  228  THR LEU GLU GLN ALA VAL LYS GLY LEU ASN GLU SER LYS          
SEQRES  18 A  228  LYS PRO SER LYS PRO SER ASN                                  
SEQRES   1 B  228  ALA GLU SER LEU PRO ASP LEU LYS ILE GLU LYS LEU ASP          
SEQRES   2 B  228  GLU GLY VAL TYR VAL HIS THR SER PHE GLU GLU VAL ASN          
SEQRES   3 B  228  GLY TRP GLY VAL VAL PRO LYS HIS GLY LEU VAL VAL LEU          
SEQRES   4 B  228  VAL ASN ALA GLU ALA TYR LEU ILE ASP THR PRO PHE THR          
SEQRES   5 B  228  ALA LYS ASP THR GLU LYS LEU VAL THR TRP PHE VAL GLU          
SEQRES   6 B  228  ARG GLY TYR LYS ILE LYS GLY SER ILE SER SER HIS PHE          
SEQRES   7 B  228  HIS SER ASP SER THR GLY GLY ILE GLU TRP LEU ASN SER          
SEQRES   8 B  228  ARG SER ILE PRO THR TYR ALA SER GLU LEU THR ASN GLU          
SEQRES   9 B  228  LEU LEU LYS LYS ASP GLY LYS VAL GLN ALA THR ASN SER          
SEQRES  10 B  228  PHE SER GLY VAL ASN TYR TRP LEU VAL LYS ASN LYS ILE          
SEQRES  11 B  228  GLU VAL PHE TYR PRO GLY PRO GLY HIS THR PRO ASP ASN          
SEQRES  12 B  228  VAL VAL VAL TRP LEU PRO GLU ARG LYS ILE LEU PHE GLY          
SEQRES  13 B  228  GLY CYS PHE ILE LYS PRO TYR GLY LEU GLY ASN LEU GLY          
SEQRES  14 B  228  ASP ALA ASN ILE GLU ALA TRP PRO LYS SER ALA LYS LEU          
SEQRES  15 B  228  LEU LYS SER LYS TYR GLY LYS ALA LYS LEU VAL VAL PRO          
SEQRES  16 B  228  SER HIS SER GLU VAL GLY ASP ALA SER LEU LEU LYS LEU          
SEQRES  17 B  228  THR LEU GLU GLN ALA VAL LYS GLY LEU ASN GLU SER LYS          
SEQRES  18 B  228  LYS PRO SER LYS PRO SER ASN                                  
HET    SO4  A 501       5                                                       
HET     ZN  A 502       1                                                       
HET     ZN  A 503       1                                                       
HET    MCI  A 550      29                                                       
HET     ZN  B 504       1                                                       
HET     ZN  B 505       1                                                       
HET    MCI  B 551      34                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM      ZN ZINC ION                                                         
HETNAM     MCI (2-MERCAPTOMETHYL-4-PHENYL-BUTYRYLIMINO)-(5-TETRAZOL-1-          
HETNAM   2 MCI  YLMETHYL-THIOPHEN-2-YL)-ACETIC ACID                             
HETSYN     MCI MERCAPTOCARBOXYLATE INHIBITOR                                    
FORMUL   3  SO4    O4 S 2-                                                      
FORMUL   4   ZN    4(ZN 2+)                                                     
FORMUL   6  MCI    2(C19 H19 N5 O3 S2)                                          
FORMUL  10  HOH   *340(H2 O)                                                    
HELIX    1   1 THR A   52  GLU A   65  1                                  14    
HELIX    2   2 HIS A   79  GLY A   84  1                                   6    
HELIX    3   3 GLY A   85  ARG A   92  1                                   8    
HELIX    4   4 GLU A  100  ASP A  109  1                                  10    
HELIX    5   5 CYS A  158  ILE A  160  5                                   3    
HELIX    6   6 ALA A  175  GLY A  188  1                                  14    
HELIX    7   7 ALA A  203  GLU A  219  1                                  17    
HELIX    8   8 THR B   52  GLU B   65  1                                  14    
HELIX    9   9 HIS B   79  GLY B   84  1                                   6    
HELIX   10  10 GLY B   85  ARG B   92  1                                   8    
HELIX   11  11 GLU B  100  ASP B  109  1                                  10    
HELIX   12  12 ALA B  175  TYR B  187  1                                  13    
HELIX   13  13 ALA B  203  GLU B  219  1                                  17    
SHEET    1   A 7 LYS A   8  ASP A  13  0                                        
SHEET    2   A 7 VAL A  16  VAL A  25 -1  O  VAL A  16   N  LEU A  12           
SHEET    3   A 7 GLY A  29  VAL A  40 -1  O  GLY A  29   N  VAL A  25           
SHEET    4   A 7 GLU A  43  ILE A  47 -1  O  GLU A  43   N  VAL A  40           
SHEET    5   A 7 LYS A  69  ILE A  74  1  O  LYS A  69   N  ALA A  44           
SHEET    6   A 7 THR A  96  SER A  99  1  N  TYR A  97   O  SER A  73           
SHEET    7   A 7 ASN A 116  PHE A 118  1  N  ASN A 116   O  THR A  96           
SHEET    1   B 5 ASN A 122  VAL A 126  0                                        
SHEET    2   B 5 ILE A 130  PHE A 133 -1  N  ILE A 130   O  VAL A 126           
SHEET    3   B 5 VAL A 145  LEU A 148 -1  N  VAL A 145   O  PHE A 133           
SHEET    4   B 5 ILE A 153  GLY A 157 -1  O  ILE A 153   N  LEU A 148           
SHEET    5   B 5 LEU A 192  PRO A 195  1  O  LEU A 192   N  LEU A 154           
SHEET    1   C 7 LYS B   8  ASP B  13  0                                        
SHEET    2   C 7 VAL B  16  VAL B  25 -1  O  VAL B  16   N  LEU B  12           
SHEET    3   C 7 GLY B  29  VAL B  40 -1  O  GLY B  29   N  VAL B  25           
SHEET    4   C 7 GLU B  43  ILE B  47 -1  N  GLU B  43   O  VAL B  40           
SHEET    5   C 7 LYS B  69  ILE B  74  1  O  LYS B  69   N  ALA B  44           
SHEET    6   C 7 THR B  96  SER B  99  1  N  TYR B  97   O  SER B  73           
SHEET    7   C 7 ASN B 116  PHE B 118  1  N  ASN B 116   O  THR B  96           
SHEET    1   D 5 ASN B 122  VAL B 126  0                                        
SHEET    2   D 5 ILE B 130  PHE B 133 -1  O  ILE B 130   N  VAL B 126           
SHEET    3   D 5 VAL B 145  LEU B 148 -1  N  VAL B 145   O  PHE B 133           
SHEET    4   D 5 ILE B 153  GLY B 157 -1  O  ILE B 153   N  LEU B 148           
SHEET    5   D 5 LEU B 192  PRO B 195  1  O  LEU B 192   N  LEU B 154           
LINK         NE2 HIS A  77                ZN    ZN A 502     1555   1555  2.19  
LINK         ND1 HIS A  79                ZN    ZN A 502     1555   1555  2.15  
LINK         OD2 ASP A  81                ZN    ZN A 503     1555   1555  2.10  
LINK         NE2 HIS A 139                ZN    ZN A 502     1555   1555  2.16  
LINK         SG  CYS A 158                ZN    ZN A 503     1555   1555  2.33  
LINK         NE2 HIS A 197                ZN    ZN A 503     1555   1555  2.26  
LINK        ZN    ZN A 502                 S20 MCI A 550     1555   1555  2.24  
LINK        ZN    ZN A 503                 S20 MCI A 550     1555   1555  2.40  
LINK         NE2 HIS B  77                ZN    ZN B 504     1555   1555  2.35  
LINK         ND1 HIS B  79                ZN    ZN B 504     1555   1555  2.20  
LINK         OD2 ASP B  81                ZN    ZN B 505     1555   1555  2.18  
LINK         NE2 HIS B 139                ZN    ZN B 504     1555   1555  2.16  
LINK         SG  CYS B 158                ZN    ZN B 505     1555   1555  2.37  
LINK         NE2 HIS B 197                ZN    ZN B 505     1555   1555  2.43  
LINK        ZN    ZN B 504                 S20 MCI B 551     1555   1555  2.44  
LINK        ZN    ZN B 505                 S20 MCI B 551     1555   1555  2.57  
SITE     1 AC1  5 ASN A  41  GLU A  65  ARG A  66  LYS A 129                    
SITE     2 AC1  5 HOH A 627                                                     
SITE     1 AC2  5 HIS A  77  HIS A  79  HIS A 139   ZN A 503                    
SITE     2 AC2  5 MCI A 550                                                     
SITE     1 AC3  5 ASP A  81  CYS A 158  HIS A 197   ZN A 502                    
SITE     2 AC3  5 MCI A 550                                                     
SITE     1 AC4  5 HIS B  77  HIS B  79  HIS B 139   ZN B 505                    
SITE     2 AC4  5 MCI B 551                                                     
SITE     1 AC5  5 ASP B  81  CYS B 158  HIS B 197   ZN B 504                    
SITE     2 AC5  5 MCI B 551                                                     
SITE     1 AC6 24 GLU A  23  VAL A  25  TRP A  28  VAL A  31                    
SITE     2 AC6 24 LYS A  33  HIS A  79  ASP A  81  HIS A 139                    
SITE     3 AC6 24 LYS A 161  GLY A 164  LEU A 165  GLY A 166                    
SITE     4 AC6 24 ASN A 167  HIS A 197   ZN A 502   ZN A 503                    
SITE     5 AC6 24 HOH A 620  HOH A 654  HOH A 662  HOH A 669                    
SITE     6 AC6 24 HOH A 687  HOH A 697  HOH A 744  GLU B 199                    
SITE     1 AC7 20 LEU A   4  GLU A  24  GLY A  29  VAL A  30                    
SITE     2 AC7 20 GLU B  23  VAL B  25  TRP B  28  VAL B  31                    
SITE     3 AC7 20 PRO B  32  LYS B  33  PHE B  51  HIS B  79                    
SITE     4 AC7 20 ASP B  81  HIS B 139  LYS B 161  ASN B 167                    
SITE     5 AC7 20 HIS B 197   ZN B 504   ZN B 505  HOH B 624                    
CRYST1   49.300   51.200  203.300  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      0.020270  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.019534  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004920        0.00000