HEADER    HYDROLASE(ALPHA-AMINOACYLPEPTIDE)       02-MAR-93   1BPM              
TITLE     DIFFERENTIATION AND IDENTIFICATION OF THE TWO CATALYTIC METAL BINDING 
TITLE    2 SITES IN BOVINE LENS LEUCINE AMINOPEPTIDASE BY X-RAY CRYSTALLOGRAPHY 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: LEUCINE AMINOPEPTIDASE;                                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.4.11.1;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 TISSUE: LENS                                                         
KEYWDS    HYDROLASE(ALPHA-AMINOACYLPEPTIDE)                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.KIM,W.N.LIPSCOMB                                                    
REVDAT   5   07-FEB-24 1BPM    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 1BPM    1       VERSN                                    
REVDAT   3   25-AUG-09 1BPM    1       SOURCE                                   
REVDAT   2   24-FEB-09 1BPM    1       VERSN                                    
REVDAT   1   15-JUL-93 1BPM    0                                                
JRNL        AUTH   H.KIM,W.N.LIPSCOMB                                           
JRNL        TITL   DIFFERENTIATION AND IDENTIFICATION OF THE TWO CATALYTIC      
JRNL        TITL 2 METAL BINDING SITES IN BOVINE LENS LEUCINE AMINOPEPTIDASE BY 
JRNL        TITL 3 X-RAY CRYSTALLOGRAPHY.                                       
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  90  5006 1993              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   8506345                                                      
JRNL        DOI    10.1073/PNAS.90.11.5006                                      
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.K.BURLEY,P.R.DAVID,R.M.SWEET,A.TAYLOR,W.N.LIPSCOMB         
REMARK   1  TITL   STRUCTURE DETERMINATION AND REFINEMENT OF BOVINE LENS        
REMARK   1  TITL 2 LEUCINE AMINOPEPTIDASE AND ITS COMPLEX WITH BESTATIN         
REMARK   1  REF    J.MOL.BIOL.                   V. 224   113 1992              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   S.K.BURLEY,P.R.DAVID,A.TAYLOR,W.N.LIPSCOMB                   
REMARK   1  TITL   MOLECULAR STRUCTURE OF LEUCINE AMINOPEPTIDASE AT             
REMARK   1  TITL 2 2.7-ANGSTROMS RESOLUTION                                     
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  87  6878 1990              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
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) : 0.189                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
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            : 3671                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 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) : 0.016                           
REMARK   3   BOND ANGLES            (DEGREES) : 3.600                           
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  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  ONE OF THE ACTIVE SITE ZINC IONS HAS BEEN REPLACED BY A             
REMARK   3  MAGNESIUM ION AS DETERMINED FROM X-RAY DIFFRACTION DATA             
REMARK   3  COLLECTED AT -150 DEGREES C.                                        
REMARK   4                                                                      
REMARK   4 1BPM 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_1000171985.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
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: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.92                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.73                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/2                                            
REMARK 290       6555   X-Y,X,Z+1/2                                             
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z                                              
REMARK 290      10555   -Y,-X,-Z+1/2                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/2                                            
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        0.00000            
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        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       60.10000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       60.10000            
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       60.10000            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       60.10000            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       60.10000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       60.10000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
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: HEXAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 25550 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 87100 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -350.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000 -0.866025  0.000000      129.10000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000       64.55000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000      111.80388            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.500000 -0.866025  0.000000       64.55000            
REMARK 350   BIOMT2   4 -0.866025 -0.500000  0.000000      111.80388            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000       60.10000            
REMARK 350   BIOMT1   5 -1.000000  0.000000  0.000000      129.10000            
REMARK 350   BIOMT2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   5  0.000000  0.000000 -1.000000       60.10000            
REMARK 350   BIOMT1   6  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   6  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   6  0.000000  0.000000 -1.000000       60.10000            
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     GLU A    12                                                      
REMARK 465     LYS A    13                                                      
REMARK 465     GLU A    14                                                      
REMARK 465     ASP A   485                                                      
REMARK 465     SER A   486                                                      
REMARK 465     ALA A   487                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    HIS A  58   NE2   HIS A  58   CD2    -0.069                       
REMARK 500    HIS A  83   NE2   HIS A  83   CD2    -0.083                       
REMARK 500    HIS A 146   NE2   HIS A 146   CD2    -0.074                       
REMARK 500    HIS A 233   NE2   HIS A 233   CD2    -0.077                       
REMARK 500    HIS A 347   NE2   HIS A 347   CD2    -0.070                       
REMARK 500    HIS A 405   NE2   HIS A 405   CD2    -0.069                       
REMARK 500    HIS A 447   NE2   HIS A 447   CD2    -0.070                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    THR A  21   CA  -  CB  -  CG2 ANGL. DEV. =  -8.5 DEGREES          
REMARK 500    TRP A  82   CD1 -  CG  -  CD2 ANGL. DEV. =   7.0 DEGREES          
REMARK 500    TRP A  82   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.3 DEGREES          
REMARK 500    TRP A 154   CD1 -  CG  -  CD2 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    TRP A 154   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    ARG A 168   NE  -  CZ  -  NH1 ANGL. DEV. =   5.1 DEGREES          
REMARK 500    ARG A 168   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.4 DEGREES          
REMARK 500    TRP A 207   CD1 -  CG  -  CD2 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    TRP A 207   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    TYR A 234   CB  -  CG  -  CD2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    MET A 267   CG  -  SD  -  CE  ANGL. DEV. =  10.3 DEGREES          
REMARK 500    ARG A 336   NE  -  CZ  -  NH1 ANGL. DEV. =   7.3 DEGREES          
REMARK 500    TRP A 381   CD1 -  CG  -  CD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    TRP A 381   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    TRP A 383   CD1 -  CG  -  CD2 ANGL. DEV. =   5.1 DEGREES          
REMARK 500    TRP A 383   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ARG A 396   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    TRP A 398   CD1 -  CG  -  CD2 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    TRP A 398   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ARG A 399   NE  -  CZ  -  NH1 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ARG A 399   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    ARG A 425   CA  -  CB  -  CG  ANGL. DEV. =  13.6 DEGREES          
REMARK 500    TRP A 445   CD1 -  CG  -  CD2 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    TRP A 445   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    ARG A 464   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ARG A 464   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    ARG A 470   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG A 473   NE  -  CZ  -  NH1 ANGL. DEV. =   4.8 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    TYR A   9     -160.50   -113.74                                   
REMARK 500    GLU A  15      -47.17   -142.70                                   
REMARK 500    ASP A  16      -26.42   -165.43                                   
REMARK 500    GLU A  17      124.24   -176.18                                   
REMARK 500    SER A  22      -34.44    -38.13                                   
REMARK 500    SER A  32       63.50     63.49                                   
REMARK 500    LYS A  34        0.65    -64.69                                   
REMARK 500    PRO A  44      176.47    -56.82                                   
REMARK 500    GLU A 129      -52.13   -127.84                                   
REMARK 500    TYR A 130       71.05     84.82                                   
REMARK 500    ASP A 132      -31.41    -33.68                                   
REMARK 500    SER A 148       -6.58   -165.31                                   
REMARK 500    LYS A 197       47.24    -73.53                                   
REMARK 500    SER A 241        1.33    -55.17                                   
REMARK 500    ASP A 291       79.00     44.47                                   
REMARK 500    PRO A 293       47.54    -69.35                                   
REMARK 500    SER A 308     -179.82   -170.30                                   
REMARK 500    ARG A 321      -48.97    -29.79                                   
REMARK 500    VAL A 328       75.01   -103.04                                   
REMARK 500    ALA A 367      -82.26    -66.88                                   
REMARK 500    ASN A 378       24.12    -70.83                                   
REMARK 500    HIS A 405      -54.00    -26.64                                   
REMARK 500    GLN A 414      -71.14    -50.77                                   
REMARK 500    ALA A 416     -169.70   -125.15                                   
REMARK 500    LYS A 457      -53.23   -124.80                                   
REMARK 500    ASP A 458       -6.87   -159.37                                   
REMARK 500    PRO A 471       43.02   -102.18                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A   9         0.12    SIDE CHAIN                              
REMARK 500    TYR A 128         0.10    SIDE CHAIN                              
REMARK 500    TYR A 130         0.09    SIDE CHAIN                              
REMARK 500    PHE A 254         0.09    SIDE CHAIN                              
REMARK 500    TYR A 406         0.07    SIDE CHAIN                              
REMARK 500    TYR A 424         0.09    SIDE CHAIN                              
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 489  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 LYS A 250   NZ                                                     
REMARK 620 2 ASP A 255   OD2 160.7                                              
REMARK 620 3 ASP A 273   OD2  77.7  87.5                                        
REMARK 620 4 GLU A 334   OE1 119.8  60.7 127.5                                  
REMARK 620 5 GLU A 334   OE2  71.5 100.2 102.4  51.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 488  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 255   OD2                                                    
REMARK 620 2 ASP A 332   OD1  97.3                                              
REMARK 620 3 ASP A 332   O   136.1  86.3                                        
REMARK 620 4 GLU A 334   OE1  69.9 108.9  67.6                                  
REMARK 620 5  ZN A 489  ZN    53.2 150.3 116.5  67.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: 488                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: THE ZINC OF THE NATIVE ENZYME OF *SITE 1* IS       
REMARK 800  READILY EXCHANGEABLE                                                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: 489                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: *SITE 2* BINDS THE ZINC MUCH MORE STRONGLY         
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 488                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 489                  
DBREF  1BPM A    1   487  UNP    P00727   AMPL_BOVIN       1    487             
SEQADV 1BPM PRO A   45  UNP  P00727    SER    45 CONFLICT                       
SEQRES   1 A  487  THR LYS GLY LEU VAL LEU GLY ILE TYR SER LYS GLU LYS          
SEQRES   2 A  487  GLU GLU ASP GLU PRO GLN PHE THR SER ALA GLY GLU ASN          
SEQRES   3 A  487  PHE ASN LYS LEU VAL SER GLY LYS LEU ARG GLU ILE LEU          
SEQRES   4 A  487  ASN ILE SER GLY PRO PRO LEU LYS ALA GLY LYS THR ARG          
SEQRES   5 A  487  THR PHE TYR GLY LEU HIS GLU ASP PHE PRO SER VAL VAL          
SEQRES   6 A  487  VAL VAL GLY LEU GLY LYS LYS THR ALA GLY ILE ASP GLU          
SEQRES   7 A  487  GLN GLU ASN TRP HIS GLU GLY LYS GLU ASN ILE ARG ALA          
SEQRES   8 A  487  ALA VAL ALA ALA GLY CYS ARG GLN ILE GLN ASP LEU GLU          
SEQRES   9 A  487  ILE PRO SER VAL GLU VAL ASP PRO CYS GLY ASP ALA GLN          
SEQRES  10 A  487  ALA ALA ALA GLU GLY ALA VAL LEU GLY LEU TYR GLU TYR          
SEQRES  11 A  487  ASP ASP LEU LYS GLN LYS ARG LYS VAL VAL VAL SER ALA          
SEQRES  12 A  487  LYS LEU HIS GLY SER GLU ASP GLN GLU ALA TRP GLN ARG          
SEQRES  13 A  487  GLY VAL LEU PHE ALA SER GLY GLN ASN LEU ALA ARG ARG          
SEQRES  14 A  487  LEU MET GLU THR PRO ALA ASN GLU MET THR PRO THR LYS          
SEQRES  15 A  487  PHE ALA GLU ILE VAL GLU GLU ASN LEU LYS SER ALA SER          
SEQRES  16 A  487  ILE LYS THR ASP VAL PHE ILE ARG PRO LYS SER TRP ILE          
SEQRES  17 A  487  GLU GLU GLN GLU MET GLY SER PHE LEU SER VAL ALA LYS          
SEQRES  18 A  487  GLY SER GLU GLU PRO PRO VAL PHE LEU GLU ILE HIS TYR          
SEQRES  19 A  487  LYS GLY SER PRO ASN ALA SER GLU PRO PRO LEU VAL PHE          
SEQRES  20 A  487  VAL GLY LYS GLY ILE THR PHE ASP SER GLY GLY ILE SER          
SEQRES  21 A  487  ILE LYS ALA ALA ALA ASN MET ASP LEU MET ARG ALA ASP          
SEQRES  22 A  487  MET GLY GLY ALA ALA THR ILE CYS SER ALA ILE VAL SER          
SEQRES  23 A  487  ALA ALA LYS LEU ASP LEU PRO ILE ASN ILE VAL GLY LEU          
SEQRES  24 A  487  ALA PRO LEU CYS GLU ASN MET PRO SER GLY LYS ALA ASN          
SEQRES  25 A  487  LYS PRO GLY ASP VAL VAL ARG ALA ARG ASN GLY LYS THR          
SEQRES  26 A  487  ILE GLN VAL ASP ASN THR ASP ALA GLU GLY ARG LEU ILE          
SEQRES  27 A  487  LEU ALA ASP ALA LEU CYS TYR ALA HIS THR PHE ASN PRO          
SEQRES  28 A  487  LYS VAL ILE ILE ASN ALA ALA THR LEU THR GLY ALA MET          
SEQRES  29 A  487  ASP ILE ALA LEU GLY SER GLY ALA THR GLY VAL PHE THR          
SEQRES  30 A  487  ASN SER SER TRP LEU TRP ASN LYS LEU PHE GLU ALA SER          
SEQRES  31 A  487  ILE GLU THR GLY ASP ARG VAL TRP ARG MET PRO LEU PHE          
SEQRES  32 A  487  GLU HIS TYR THR ARG GLN VAL ILE ASP CYS GLN LEU ALA          
SEQRES  33 A  487  ASP VAL ASN ASN ILE GLY LYS TYR ARG SER ALA GLY ALA          
SEQRES  34 A  487  CYS THR ALA ALA ALA PHE LEU LYS GLU PHE VAL THR HIS          
SEQRES  35 A  487  PRO LYS TRP ALA HIS LEU ASP ILE ALA GLY VAL MET THR          
SEQRES  36 A  487  ASN LYS ASP GLU VAL PRO TYR LEU ARG LYS GLY MET ALA          
SEQRES  37 A  487  GLY ARG PRO THR ARG THR LEU ILE GLU PHE LEU PHE ARG          
SEQRES  38 A  487  PHE SER GLN ASP SER ALA                                      
HET     MG  A 488       1                                                       
HET     ZN  A 489       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      ZN ZINC ION                                                         
FORMUL   2   MG    MG 2+                                                        
FORMUL   3   ZN    ZN 2+                                                        
HELIX    1   A SER A   22  LEU A   30  1                                   9    
HELIX    2   B LYS A   34  ASN A   40  1                                   7    
HELIX    3   C GLU A   84  ASP A  102  1                                  19    
HELIX    4   D ALA A  116  GLY A  126  1                                  11    
HELIX    5   E GLN A  151  GLU A  172  1                                  22    
HELIX    6   F PRO A  180  ALA A  194  1                                  15    
HELIX    7   G LYS A  205  GLU A  210  1                                   6    
HELIX    8   H GLY A  214  ALA A  220  1                                   7    
HELIX    9   I GLY A  275  ALA A  288  1                                  14    
HELIX   10   J GLU A  334  THR A  348  1                                  15    
HELIX   11   K ALA A  363  ALA A  367  1                                   5    
HELIX   12   L SER A  380  GLU A  392  1                                  13    
HELIX   13   M HIS A  405  GLN A  409  1                                   5    
HELIX   14   N GLY A  428  LEU A  436  1                                   9    
HELIX   15   O THR A  472  PHE A  482  1                                  11    
SHEET    1   1 5 GLY A   3  ILE A   8  0                                        
SHEET    2   1 5 GLY A  49  GLY A  56 -1                                        
SHEET    3   1 5 PRO A  62  LEU A  69 -1                                        
SHEET    4   1 5 PRO A 106  ASP A 111  1                                        
SHEET    5   1 5 SER A 142  HIS A 146  1                                        
SHEET    1   2 8 LYS A 197  ARG A 203  0                                        
SHEET    2   2 8 VAL A 228  LYS A 235 -1                                        
SHEET    3   2 8 PRO A 244  SER A 256 -1                                        
SHEET    4   2 8 ASN A 295  ASN A 305  1                                        
SHEET    5   2 8 LYS A 352  ALA A 358  1                                        
SHEET    6   2 8 THR A 373  PHE A 376 -1                                        
SHEET    7   2 8 ARG A 396  MET A 400  1                                        
SHEET    8   2 8 LYS A 444  ILE A 450 -1                                        
SHEET    1   3 3 GLY A 315  ALA A 320  0                                        
SHEET    2   3 3 GLY A 323  VAL A 328 -1                                        
SHEET    3   3 3 ASP A 417  ASN A 420  1                                        
LINK         NZ  LYS A 250                ZN    ZN A 489     1555   1555  2.30  
LINK         OD2 ASP A 255                MG    MG A 488     1555   1555  2.18  
LINK         OD2 ASP A 255                ZN    ZN A 489     1555   1555  2.18  
LINK         OD2 ASP A 273                ZN    ZN A 489     1555   1555  2.17  
LINK         OD1 ASP A 332                MG    MG A 488     1555   1555  2.20  
LINK         O   ASP A 332                MG    MG A 488     1555   1555  2.36  
LINK         OE1 GLU A 334                MG    MG A 488     1555   1555  2.19  
LINK         OE1 GLU A 334                ZN    ZN A 489     1555   1555  2.69  
LINK         OE2 GLU A 334                ZN    ZN A 489     1555   1555  2.19  
LINK        MG    MG A 488                ZN    ZN A 489     1555   1555  2.62  
CISPEP   1 ARG A  470    PRO A  471          0         1.84                     
SITE     1 488  1  MG A 488                                                     
SITE     1 489  1  ZN A 489                                                     
SITE     1 AC1  4 ASP A 255  ASP A 332  GLU A 334   ZN A 489                    
SITE     1 AC2  5 LYS A 250  ASP A 255  ASP A 273  GLU A 334                    
SITE     2 AC2  5  MG A 488                                                     
CRYST1  129.100  129.100  120.200  90.00  90.00 120.00 P 63 2 2     12          
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      0.007746  0.004472  0.000000        0.00000                         
SCALE2      0.000000  0.008944  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008319        0.00000