HEADER    HYDROLASE                               12-JUN-99   1CP9              
TITLE     CRYSTAL STRUCTURE OF PENICILLIN G ACYLASE FROM THE BRO1 MUTANT STRAIN 
TITLE    2 OF PROVIDENCIA RETTGERI                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PENICILLIN G AMIDASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 24-228;                                       
COMPND   5 MUTATION: YES;                                                       
COMPND   6 OTHER_DETAILS: CHAIN A IS ALPHA-SUBUNIT;                             
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: PENICILLIN G AMIDASE;                                      
COMPND   9 CHAIN: B;                                                            
COMPND  10 FRAGMENT: UNP RESIDUES 285-837;                                      
COMPND  11 OTHER_DETAILS: CHAIN B IS BETA-SUBUNIT                               
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PROVIDENCIA RETTGERI;                           
SOURCE   3 ORGANISM_TAXID: 587;                                                 
SOURCE   4 VARIANT: 31052;                                                      
SOURCE   5 CELLULAR_LOCATION: PERIPLASM;                                        
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: PROVIDENCIA RETTGERI;                           
SOURCE   8 ORGANISM_TAXID: 587;                                                 
SOURCE   9 VARIANT: 31052;                                                      
SOURCE  10 CELLULAR_LOCATION: PERIPLASM                                         
KEYWDS    ANTIBIOTIC RESISTANCE, AMIDOHYDROLASE, NTN-HYDROLASE FOLD, N-TERMINAL 
KEYWDS   2 PYROGLUTAMATE, PENICILLIN BINDING PROTEIN, CALCIUM BINDING PROTEIN,  
KEYWDS   3 HYDROLASE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.A.MCDONOUGH,H.E.KLEI,J.A.KELLY                                      
REVDAT   7   16-OCT-24 1CP9    1       REMARK                                   
REVDAT   6   09-AUG-23 1CP9    1       REMARK SEQRES LINK                       
REVDAT   5   28-JUN-17 1CP9    1       REMARK DBREF                             
REVDAT   4   24-FEB-09 1CP9    1       VERSN                                    
REVDAT   3   20-JAN-00 1CP9    1       REVDAT                                   
REVDAT   2   23-DEC-99 1CP9    1       JRNL                                     
REVDAT   1   24-JUN-99 1CP9    0                                                
JRNL        AUTH   M.A.MCDONOUGH,H.E.KLEI,J.A.KELLY                             
JRNL        TITL   CRYSTAL STRUCTURE OF PENICILLIN G ACYLASE FROM THE BRO1      
JRNL        TITL 2 MUTANT STRAIN OF PROVIDENCIA RETTGERI.                       
JRNL        REF    PROTEIN SCI.                  V.   8  1971 1999              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   10548042                                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1000000.000                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0100                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 86.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 34334                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.154                           
REMARK   3   FREE R VALUE                     : 0.165                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 2.400                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 813                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.61                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 65.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3137                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1940                       
REMARK   3   BIN FREE R VALUE                    : 0.1840                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 2.20                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 70                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.022                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6017                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 21                                      
REMARK   3   SOLVENT ATOMS            : 776                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 9.50                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.19                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.22                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.20                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.22                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.015                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.800                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.50                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.650                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.060 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.040 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.390 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.710 ; 2.500                
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  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  PRESENCE OF ANOMALOUS SIGNAL, REFINEMENT CARRIED OUT WITH BIJVOET   
REMARK   3  PAIRS                                                               
REMARK   3  UNMERGED.                                                           
REMARK   4                                                                      
REMARK   4 1CP9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-JUN-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000001177.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 31-OCT-94                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : 0.3MM COLLIMATOR                   
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 39576                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.11500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 86.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 16.70                              
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.29100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: MODIFIED PDB ENTRY 1PNK                              
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 30.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.70                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 30-45%     
REMARK 280  SATURATED AMMONIUM SULFATE, 15% GLYCEROL, 50 MM K2HPO4, 0.02% W/    
REMARK 280  V SODIUM AZIDE, PH 7.5                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 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+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
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       66.72967            
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      133.45933            
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      100.09450            
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      166.82417            
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       33.36483            
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       66.72967            
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      133.45933            
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      166.82417            
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      100.09450            
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       33.36483            
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: 14280 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 27340 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -136.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 29010 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 54210 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -287.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       33.36483            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 785  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 557  LIES ON A SPECIAL POSITION.                          
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     SER A   198                                                      
REMARK 465     GLN A   199                                                      
REMARK 465     LYS A   200                                                      
REMARK 465     THR A   201                                                      
REMARK 465     LYS A   202                                                      
REMARK 465     ASN A   203                                                      
REMARK 465     ILE A   204                                                      
REMARK 465     SER A   205                                                      
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 B   5   CA  -  CB  -  CG  ANGL. DEV. =  15.8 DEGREES          
REMARK 500    LEU B  18   CA  -  CB  -  CG  ANGL. DEV. =  16.4 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    ARG A  37       39.46   -140.41                                   
REMARK 500    ASP A 121       61.62     61.20                                   
REMARK 500    ASN A 148      138.67   -173.99                                   
REMARK 500    ASN A 177       57.18   -145.08                                   
REMARK 500    ASN B  43       75.85   -161.29                                   
REMARK 500    ASN B 202        6.15     82.28                                   
REMARK 500    TRP B 240       48.26   -141.96                                   
REMARK 500    LEU B 253      128.64    -39.95                                   
REMARK 500    THR B 358      -92.50   -109.09                                   
REMARK 500    GLU B 377       92.65    -53.66                                   
REMARK 500    GLU B 402     -118.55     49.13                                   
REMARK 500    PHE B 459       -8.39    -58.29                                   
REMARK 500    GLN B 518       30.59   -154.73                                   
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 B 196         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH B1041        DISTANCE =  5.92 ANGSTROMS                       
REMARK 525    HOH B1066        DISTANCE =  6.76 ANGSTROMS                       
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                              CA B 554  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 150   OE2                                                    
REMARK 620 2 ASP B  73   OD1 156.9                                              
REMARK 620 3 ASP B  73   OD2 149.2  52.9                                        
REMARK 620 4 VAL B  75   O    78.4  78.7 131.0                                  
REMARK 620 5 ASP B  76   OD1  88.4  89.6 104.4  79.3                            
REMARK 620 6 PRO B 205   O    71.1 131.9  80.7 148.1  90.5                      
REMARK 620 7 ASP B 252   OD1  85.9  90.6  86.9  86.9 165.9  99.8                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AS                                                  
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: SER B 1 IS THE CATALYTIC RESIDUE GLN B 23, ALA B   
REMARK 800  69 AND ASN B 241 FORM AN OXYANION HOLE                              
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 554                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 555                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 255                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 269                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 556                 
DBREF  1CP9 A    1   205  UNP    Q7WZI9   Q7WZI9_PRORE    24    228             
DBREF  1CP9 B    1   553  UNP    Q7WZI9   Q7WZI9_PRORE   285    837             
SEQADV 1CP9 LEU A  140  UNP  Q7WZI9    MET   163 ENGINEERED MUTATION            
SEQRES   1 A  205  PCA SER THR GLN ILE LYS ILE GLU ARG ASP ASN TYR GLY          
SEQRES   2 A  205  VAL PRO HIS ILE TYR ALA ASN ASP THR TYR SER LEU PHE          
SEQRES   3 A  205  TYR GLY TYR GLY TYR ALA VAL ALA GLN ASP ARG LEU PHE          
SEQRES   4 A  205  GLN MET GLU MET ALA LYS ARG SER THR GLN GLY THR VAL          
SEQRES   5 A  205  SER GLU VAL PHE GLY LYS ASP TYR ILE SER PHE ASP LYS          
SEQRES   6 A  205  GLU ILE ARG ASN ASN TYR TRP PRO ASP SER ILE HIS LYS          
SEQRES   7 A  205  GLN ILE ASN GLN LEU PRO SER GLN GLU GLN ASP ILE LEU          
SEQRES   8 A  205  ARG GLY TYR ALA ASP GLY MET ASN ALA TRP ILE LYS GLN          
SEQRES   9 A  205  ILE ASN THR LYS PRO ASP ASP LEU MET PRO LYS GLN PHE          
SEQRES  10 A  205  ILE ASP TYR ASP PHE LEU PRO SER GLN TRP THR SER PHE          
SEQRES  11 A  205  ASP VAL ALA MET ILE MET VAL GLY THR LEU ALA ASN ARG          
SEQRES  12 A  205  PHE SER ASP MET ASN SER GLU ILE ASP ASN LEU ALA LEU          
SEQRES  13 A  205  LEU THR ALA LEU LYS ASP LYS TYR GLY GLU GLN LEU GLY          
SEQRES  14 A  205  VAL GLU PHE PHE ASN GLN ILE ASN TRP LEU ASN ASN PRO          
SEQRES  15 A  205  ASN ALA PRO THR THR ILE SER SER GLU GLU PHE THR TYR          
SEQRES  16 A  205  SER ASP SER GLN LYS THR LYS ASN ILE SER                      
SEQRES   1 B  553  SER ASN VAL TRP LEU VAL GLY LYS THR LYS ALA SER GLY          
SEQRES   2 B  553  ALA LYS ALA ILE LEU LEU ASN GLY PRO GLN PHE GLY TRP          
SEQRES   3 B  553  PHE ASN PRO ALA TYR THR TYR GLY ILE GLY LEU HIS GLY          
SEQRES   4 B  553  ALA GLY PHE ASN ILE VAL GLY ASN THR PRO PHE ALA TYR          
SEQRES   5 B  553  PRO ALA ILE LEU PHE GLY HIS ASN GLY HIS VAL SER TRP          
SEQRES   6 B  553  GLY SER THR ALA GLY PHE GLY ASP GLY VAL ASP ILE PHE          
SEQRES   7 B  553  ALA GLU GLN VAL SER PRO GLU ASP PRO ASN SER TYR LEU          
SEQRES   8 B  553  HIS GLN GLY GLN TRP LYS LYS MET LEU SER ARG GLN GLU          
SEQRES   9 B  553  THR LEU ASN VAL LYS GLY GLU GLN PRO ILE THR PHE GLU          
SEQRES  10 B  553  ILE TYR ARG THR VAL HIS GLY ASN VAL VAL LYS ARG ASP          
SEQRES  11 B  553  LYS THR THR HIS THR ALA TYR SER LYS ALA ARG ALA TRP          
SEQRES  12 B  553  ASP GLY LYS GLU LEU THR SER LEU MET ALA TRP VAL LYS          
SEQRES  13 B  553  GLN GLY GLN ALA GLN ASN TRP GLN GLN TRP LEU ASP GLN          
SEQRES  14 B  553  ALA GLN ASN GLN ALA LEU THR ILE ASN TRP TYR TYR ALA          
SEQRES  15 B  553  ASP LYS ASP GLY ASN ILE GLY TYR VAL HIS THR GLY HIS          
SEQRES  16 B  553  TYR PRO ASP ARG GLN ILE ASN HIS ASP PRO ARG LEU PRO          
SEQRES  17 B  553  VAL SER GLY THR GLY GLU TRP ASP TRP LYS GLY ILE GLN          
SEQRES  18 B  553  PRO PHE ALA ASN ASN PRO LYS VAL TYR ASN PRO LYS SER          
SEQRES  19 B  553  GLY TYR ILE ALA ASN TRP ASN ASN SER PRO ALA LYS ASN          
SEQRES  20 B  553  TYR PRO ALA SER ASP LEU PHE ALA PHE LEU TRP GLY SER          
SEQRES  21 B  553  ALA ASP ARG VAL LYS GLU ILE ASP ASN ARG ILE GLU ALA          
SEQRES  22 B  553  TYR ASP LYS LEU THR ALA ASP ASP MET TRP ALA ILE LEU          
SEQRES  23 B  553  GLN GLN THR SER ARG VAL ASP LEU ASN HIS ARG LEU PHE          
SEQRES  24 B  553  THR PRO PHE LEU THR GLN ALA THR GLN GLY LEU PRO SER          
SEQRES  25 B  553  ASN ASP ASN SER VAL LYS LEU VAL SER MET LEU GLN GLN          
SEQRES  26 B  553  TRP ASP GLY ILE ASN GLN LEU SER SER ASP GLY LYS HIS          
SEQRES  27 B  553  TYR ILE HIS PRO GLY SER ALA ILE LEU ASP ILE TRP LEU          
SEQRES  28 B  553  LYS GLU MET LEU LYS ALA THR LEU GLY GLN THR VAL PRO          
SEQRES  29 B  553  ALA PRO PHE ASP LYS TRP TYR LEU ALA SER GLY TYR GLU          
SEQRES  30 B  553  THR THR GLN GLU GLY PRO THR GLY SER LEU ASN ILE SER          
SEQRES  31 B  553  THR GLY ALA LYS LEU LEU TYR GLU SER LEU LEU GLU ASP          
SEQRES  32 B  553  LYS SER PRO ILE SER GLN SER ILE ASP LEU PHE SER GLY          
SEQRES  33 B  553  GLN PRO GLN ASN ASP VAL ILE ARG LYS THR LEU ASN THR          
SEQRES  34 B  553  THR TYR GLN LYS MET ILE GLU LYS TYR GLY ASP ASN PRO          
SEQRES  35 B  553  ALA ASN TRP GLN THR PRO ALA THR ALA LEU THR PHE ARG          
SEQRES  36 B  553  GLU ASN ASN PHE PHE GLY ILE PRO GLN ALA LEU PRO GLN          
SEQRES  37 B  553  GLU ASN PHE HIS GLN ASN GLU TYR HIS ASN ARG GLY THR          
SEQRES  38 B  553  GLU ASN ASP LEU ILE VAL PHE THR GLU GLU GLY VAL SER          
SEQRES  39 B  553  ALA TRP ASP VAL VAL ALA PRO GLY GLN SER GLY PHE ILE          
SEQRES  40 B  553  SER PRO GLN GLY LYS PRO SER PRO HIS TYR GLN ASP GLN          
SEQRES  41 B  553  LEU SER LEU TYR GLN GLN PHE GLY LYS LYS PRO LEU TRP          
SEQRES  42 B  553  LEU ASN SER GLU ASP VAL ALA PRO TYR ILE GLU SER THR          
SEQRES  43 B  553  GLU THR LEU ILE ILE GLU ARG                                  
MODRES 1CP9 PCA A    1  GLN  MODIFIED RESIDUE                                   
HET    PCA  A   1       8                                                       
HET    SO4  A 255       5                                                       
HET    SO4  A 269       5                                                       
HET     CA  B 554       1                                                       
HET    SO4  B 555       5                                                       
HET    SO4  B 556       5                                                       
HETNAM     PCA PYROGLUTAMIC ACID                                                
HETNAM     SO4 SULFATE ION                                                      
HETNAM      CA CALCIUM ION                                                      
FORMUL   1  PCA    C5 H7 N O3                                                   
FORMUL   3  SO4    4(O4 S 2-)                                                   
FORMUL   5   CA    CA 2+                                                        
FORMUL   8  HOH   *776(H2 O)                                                    
HELIX    1   1 THR A   22  GLN A   49  1                                  28    
HELIX    2   2 SER A   53  PHE A   56  1                                   4    
HELIX    3   3 LYS A   58  ASN A   70  5                                  13    
HELIX    4   4 PRO A   73  GLN A   82  1                                  10    
HELIX    5   5 SER A   85  THR A  107  1                                  23    
HELIX    6   6 PRO A  109  LEU A  112  1                                   4    
HELIX    7   7 LYS A  115  TYR A  120  1                                   6    
HELIX    8   8 SER A  129  THR A  139  1                                  11    
HELIX    9   9 ALA A  141  PHE A  144  1                                   4    
HELIX   10  10 GLU A  150  ILE A  176  1                                  27    
HELIX   11  11 PRO B   49  ALA B   51  5                                   3    
HELIX   12  12 GLU B  147  GLN B  159  1                                  13    
HELIX   13  13 TRP B  163  ASN B  172  1                                  10    
HELIX   14  14 PHE B  223  ASN B  225  5                                   3    
HELIX   15  15 ARG B  263  GLU B  272  5                                  10    
HELIX   16  16 ALA B  279  ARG B  291  1                                  13    
HELIX   17  17 HIS B  296  ALA B  306  1                                  11    
HELIX   18  18 ASN B  315  GLN B  324  1                                  10    
HELIX   19  19 GLY B  343  ALA B  357  1                                  15    
HELIX   20  20 LEU B  359  THR B  362  1                                   4    
HELIX   21  21 PHE B  367  TRP B  370  5                                   4    
HELIX   22  22 THR B  391  LEU B  400  1                                  10    
HELIX   23  23 GLU B  402  LYS B  404  5                                   3    
HELIX   24  24 GLN B  419  TYR B  438  1                                  20    
HELIX   25  25 PRO B  442  ASN B  444  5                                   3    
HELIX   26  26 LEU B  521  GLN B  525  1                                   5    
HELIX   27  27 SER B  536  TYR B  542  1                                   7    
SHEET    1   A 2 LYS A   6  ARG A   9  0                                        
SHEET    2   A 2 PRO A  15  TYR A  18 -1  N  TYR A  18   O  LYS A   6           
SHEET    1   B 6 TYR B 236  ASN B 239  0                                        
SHEET    2   B 6 ASN B   2  VAL B   6 -1  N  LEU B   5   O  ILE B 237           
SHEET    3   B 6 ALA B  16  GLY B  21 -1  N  GLY B  21   O  ASN B   2           
SHEET    4   B 6 ASN B 483  PHE B 488 -1  N  PHE B 488   O  ALA B  16           
SHEET    5   B 6 VAL B 493  VAL B 498 -1  N  VAL B 498   O  ASN B 483           
SHEET    6   B 6 LYS B 530  LEU B 532 -1  N  LEU B 532   O  ALA B 495           
SHEET    1   C 3 THR B  32  GLY B  39  0                                        
SHEET    2   C 3 PHE B  42  PRO B  49 -1  N  THR B  48   O  TYR B  33           
SHEET    3   C 3 PHE B  57  HIS B  59 -1  N  HIS B  59   O  VAL B  45           
SHEET    1   D 4 VAL B  63  ALA B  69  0                                        
SHEET    2   D 4 ILE B 177  ASP B 183 -1  N  ALA B 182   O  SER B  64           
SHEET    3   D 4 ILE B 188  THR B 193 -1  N  THR B 193   O  ILE B 177           
SHEET    4   D 4 LYS B 228  TYR B 230 -1  N  VAL B 229   O  TYR B 190           
SHEET    1   E 5 GLN B  95  LYS B  98  0                                        
SHEET    2   E 5 ASP B  86  HIS B  92 -1  N  HIS B  92   O  GLN B  95           
SHEET    3   E 5 VAL B  75  SER B  83 -1  N  SER B  83   O  ASP B  86           
SHEET    4   E 5 THR B 135  ARG B 141 -1  N  ALA B 140   O  ASP B  76           
SHEET    5   E 5 ASN B 125  ASP B 130 -1  N  ASP B 130   O  THR B 135           
SHEET    1   F 2 LEU B 100  LEU B 106  0                                        
SHEET    2   F 2 ILE B 114  ARG B 120 -1  N  ARG B 120   O  LEU B 100           
SHEET    1   G 2 LEU B 452  PHE B 454  0                                        
SHEET    2   G 2 PHE B 471  GLN B 473 -1  N  GLN B 473   O  LEU B 452           
LINK         C   PCA A   1                 N   SER A   2     1555   1555  1.32  
LINK         OE2 GLU A 150                CA    CA B 554     1555   1555  2.38  
LINK         OD1 ASP B  73                CA    CA B 554     1555   1555  2.42  
LINK         OD2 ASP B  73                CA    CA B 554     1555   1555  2.48  
LINK         O   VAL B  75                CA    CA B 554     1555   1555  2.59  
LINK         OD1 ASP B  76                CA    CA B 554     1555   1555  2.64  
LINK         O   PRO B 205                CA    CA B 554     1555   1555  2.56  
LINK         OD1 ASP B 252                CA    CA B 554     1555   1555  2.41  
CISPEP   1 ASN B   28    PRO B   29          0         0.51                     
CISPEP   2 ALA B  365    PRO B  366          0        -0.17                     
CISPEP   3 ALA B  500    PRO B  501          0         0.21                     
SITE     1  AS  4 SER B   1  GLN B  23  ALA B  69  ASN B 241                    
SITE     1 AC1  6 GLU A 150  ASP B  73  VAL B  75  ASP B  76                    
SITE     2 AC1  6 PRO B 205  ASP B 252                                          
SITE     1 AC2  4 LYS B  98  ARG B 270  GLN B 288  HOH B 775                    
SITE     1 AC3  7 PCA A   1  SER A   2  THR A   3  GLN A   4                    
SITE     2 AC3  7 ASN A  20  HOH A 828  HOH A 830                               
SITE     1 AC4  5 THR A 128  PHE A 130  GLU B 491  SER B 494                    
SITE     2 AC4  5 HOH B 981                                                     
SITE     1 AC5  4 GLN B 200  ASN B 441  ASN B 444  HOH B1038                    
CRYST1  140.645  140.645  200.189  90.00  90.00 120.00 P 61 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      0.007110  0.004105  0.000000        0.00000                         
SCALE2      0.000000  0.008210  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004995        0.00000                         
HETATM    1  N   PCA A   1      17.976   5.055  11.230  1.00 29.11           N  
HETATM    2  CA  PCA A   1      17.460   5.887  12.333  1.00 24.78           C  
HETATM    3  CB  PCA A   1      18.661   6.671  12.831  1.00 26.19           C  
HETATM    4  CG  PCA A   1      19.911   6.058  12.239  1.00 25.49           C  
HETATM    5  CD  PCA A   1      19.452   5.174  11.059  1.00 28.97           C  
HETATM    6  OE  PCA A   1      20.110   4.196  10.695  1.00 30.15           O  
HETATM    7  C   PCA A   1      16.410   6.784  11.704  1.00 22.52           C  
HETATM    8  O   PCA A   1      16.457   7.053  10.508  1.00 22.97           O