HEADER    HYDROLASE                               22-JUL-99   1C27              
TITLE     E. COLI METHIONINE AMINOPEPTIDASE:NORLEUCINE PHOSPHONATE COMPLEX      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: METHIONINE AMINOPEPTIDASE;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: NORLEUCINE PHOSPHONATE;                                    
COMPND   5 EC: 3.4.11.18;                                                       
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 OTHER_DETAILS: NORLEUCINE PHOSPHONATE COMPLEX                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_PLASMID: PET28B                                    
KEYWDS    PRODUCT COMPLEX, HYDROLASE                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.T.LOWTHER,Y.ZHANG,P.B.SAMPSON,J.F.HONEK,B.W.MATTHEWS                
REVDAT   7   07-FEB-24 1C27    1       REMARK                                   
REVDAT   6   03-NOV-21 1C27    1       REMARK SEQADV LINK                       
REVDAT   5   24-FEB-09 1C27    1       VERSN                                    
REVDAT   4   01-APR-03 1C27    1       JRNL                                     
REVDAT   3   30-AUG-00 1C27    1       COMPND                                   
REVDAT   2   24-NOV-99 1C27    1       DBREF                                    
REVDAT   1   17-NOV-99 1C27    0                                                
JRNL        AUTH   W.T.LOWTHER,Y.ZHANG,P.B.SAMPSON,J.F.HONEK,B.W.MATTHEWS       
JRNL        TITL   INSIGHTS INTO THE MECHANISM OF ESCHERICHIA COLI METHIONINE   
JRNL        TITL 2 AMINOPEPTIDASE FROM THE STRUCTURAL ANALYSIS OF REACTION      
JRNL        TITL 3 PRODUCTS AND PHOSPHORUS-BASED TRANSITION-STATE ANALOGUES.    
JRNL        REF    BIOCHEMISTRY                  V.  38 14810 1999              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10555963                                                     
JRNL        DOI    10.1021/BI991711G                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.95 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT                                                  
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 36.60                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 68595                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.170                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
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                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 16281                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1985                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 79                                      
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : 19.500                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.011 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 2.100 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : 0.007 ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : 0.012 ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : NULL  ; NULL  ; NULL            
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : TNT                                                  
REMARK   3   KSOL        : 0.91                                                 
REMARK   3   BSOL        : 294.4                                                
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : TNT                                              
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1C27 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-JUL-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009387.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-APR-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : NULL                               
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                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS                       
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 68595                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 36.600                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.6                               
REMARK 200  DATA REDUNDANCY                : 4.200                              
REMARK 200  R MERGE                    (I) : 0.05600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 28.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.02                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.26700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: TNT                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.42                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: HEPES, NACL, COCL2, K2SO4, METHIONINE,   
REMARK 280  N-OCTANOYL SUCROSE, PEG 4000, VAPOR DIFFUSION, SITTING DROP,        
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       33.60300            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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   264                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A  13    CE   NZ                                             
REMARK 470     LYS A  33    CE   NZ                                             
REMARK 470     LYS A  86    CE   NZ                                             
REMARK 470     LEU A  87    CD1  CD2                                            
REMARK 470     LYS A  89    CD   CE   NZ                                        
REMARK 470     LYS A 117    CG   CD   CE   NZ                                   
REMARK 470     ILE A 120    CD1                                                 
REMARK 470     ILE A 144    CD1                                                 
REMARK 470     LYS A 155    CD   CE   NZ                                        
REMARK 470     LYS A 211    CE   NZ                                             
REMARK 470     ARG A 215    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 218    CG   CD   CE   NZ                                   
REMARK 470     LYS A 226    CG   CD   CE   NZ                                   
REMARK 470     ARG A 228    CD   NE   CZ   NH1  NH2                             
REMARK 470     LYS A 252    CD   CE   NZ                                        
REMARK 470     ASP A 263    CG   OD1  OD2                                       
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    GLU A   9   CD    GLU A   9   OE2     0.070                       
REMARK 500    GLU A  23   CD    GLU A  23   OE2     0.066                       
REMARK 500    GLU A  75   CD    GLU A  75   OE2     0.069                       
REMARK 500    GLU A 158   CD    GLU A 158   OE2     0.072                       
REMARK 500    GLU A 204   CD    GLU A 204   OE2     0.075                       
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    ASP A  10   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ARG A  15   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG A  43   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.8 DEGREES          
REMARK 500    ASP A  83   CB  -  CG  -  OD1 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    ASP A  83   CB  -  CG  -  OD2 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500    ASP A  92   CB  -  CG  -  OD1 ANGL. DEV. =   7.4 DEGREES          
REMARK 500    ASP A  92   CB  -  CG  -  OD2 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500    ASP A  97   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A  97   CB  -  CG  -  OD2 ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    ASP A 108   CB  -  CG  -  OD2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    ARG A 127   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ASP A 187   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ASP A 219   CB  -  CG  -  OD1 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ASP A 219   CB  -  CG  -  OD2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500    ASP A 227   CB  -  CG  -  OD1 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    ASP A 227   CB  -  CG  -  OD2 ANGL. DEV. =  -8.3 DEGREES          
REMARK 500    ASP A 253   CB  -  CG  -  OD1 ANGL. DEV. =   7.0 DEGREES          
REMARK 500    ASP A 253   CB  -  CG  -  OD2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500    ASP A 254   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ASP A 254   CB  -  CG  -  OD2 ANGL. DEV. =  -6.2 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    ALA A  55     -166.35   -114.99                                   
REMARK 500    LEU A  60      103.73    -58.56                                   
REMARK 500    ASN A  74     -107.92     50.80                                   
REMARK 500    ASN A 192       81.16   -153.23                                   
REMARK 500    GLU A 204       65.78   -155.50                                   
REMARK 500    TRP A 221      -58.23   -127.90                                   
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                              NA A 501  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN A  74   O                                                      
REMARK 620 2 VAL A  76   O    81.3                                              
REMARK 620 3 SER A 231   O    71.8 111.2                                        
REMARK 620 4 HOH A 551   O   142.1  93.2  75.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CO A 402  CO                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  97   OD2                                                    
REMARK 620 2 ASP A  97   OD1  57.8                                              
REMARK 620 3 ASP A 108   OD2 151.5  94.1                                        
REMARK 620 4 GLU A 235   OE2  99.5  97.8  87.9                                  
REMARK 620 5 NLP A 300   N    85.7  97.6  94.6 164.2                            
REMARK 620 6 NLP A 300   O1   88.4 146.1 119.7  86.3  78.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CO A 401  CO                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 108   OD1                                                    
REMARK 620 2 HIS A 171   NE2  94.9                                              
REMARK 620 3 GLU A 204   OE2 154.5  81.7                                        
REMARK 620 4 GLU A 235   OE1  87.5 115.8  71.6                                  
REMARK 620 5 NLP A 300   O2   94.2  79.6 109.9 164.4                            
REMARK 620 6 NLP A 300   O1  108.9 139.9  88.9  97.5  67.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 402                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NLP A 300                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1MAT   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2MAT   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3MAT   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4MAT   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1C21   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1C22   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1C23   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1C24   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THERE ARE FOUR ADDITIONAL RESIDUES ON THE                            
REMARK 999 C-TERMINUS LEFT OVER FROM A THROMBIN DIGEST                          
REMARK 999 OF THE HIS-TAGGED PROTEIN.  THESE RESIDUES,                          
REMARK 999 L-V-P-R (RESIDUES 265-268), WERE NOT SEEN IN                         
REMARK 999 THE ELECTRON DENSITY AND ARE NOT A PART OF THE SEQRES.               
DBREF  1C27 A    2   264  UNP    P07906   AMPM_ECOLI       2    264             
SEQADV 1C27 GLN A  175  UNP  P07906    ARG   175 ENGINEERED MUTATION            
SEQRES   1 A  263  ALA ILE SER ILE LYS THR PRO GLU ASP ILE GLU LYS MET          
SEQRES   2 A  263  ARG VAL ALA GLY ARG LEU ALA ALA GLU VAL LEU GLU MET          
SEQRES   3 A  263  ILE GLU PRO TYR VAL LYS PRO GLY VAL SER THR GLY GLU          
SEQRES   4 A  263  LEU ASP ARG ILE CYS ASN ASP TYR ILE VAL ASN GLU GLN          
SEQRES   5 A  263  HIS ALA VAL SER ALA CYS LEU GLY TYR HIS GLY TYR PRO          
SEQRES   6 A  263  LYS SER VAL CYS ILE SER ILE ASN GLU VAL VAL CYS HIS          
SEQRES   7 A  263  GLY ILE PRO ASP ASP ALA LYS LEU LEU LYS ASP GLY ASP          
SEQRES   8 A  263  ILE VAL ASN ILE ASP VAL THR VAL ILE LYS ASP GLY PHE          
SEQRES   9 A  263  HIS GLY ASP THR SER LYS MET PHE ILE VAL GLY LYS PRO          
SEQRES  10 A  263  THR ILE MET GLY GLU ARG LEU CYS ARG ILE THR GLN GLU          
SEQRES  11 A  263  SER LEU TYR LEU ALA LEU ARG MET VAL LYS PRO GLY ILE          
SEQRES  12 A  263  ASN LEU ARG GLU ILE GLY ALA ALA ILE GLN LYS PHE VAL          
SEQRES  13 A  263  GLU ALA GLU GLY PHE SER VAL VAL ARG GLU TYR CYS GLY          
SEQRES  14 A  263  HIS GLY ILE GLY GLN GLY PHE HIS GLU GLU PRO GLN VAL          
SEQRES  15 A  263  LEU HIS TYR ASP SER ARG GLU THR ASN VAL VAL LEU LYS          
SEQRES  16 A  263  PRO GLY MET THR PHE THR ILE GLU PRO MET VAL ASN ALA          
SEQRES  17 A  263  GLY LYS LYS GLU ILE ARG THR MET LYS ASP GLY TRP THR          
SEQRES  18 A  263  VAL LYS THR LYS ASP ARG SER LEU SER ALA GLN TYR GLU          
SEQRES  19 A  263  HIS THR ILE VAL VAL THR ASP ASN GLY CYS GLU ILE LEU          
SEQRES  20 A  263  THR LEU ARG LYS ASP ASP THR ILE PRO ALA ILE ILE SER          
SEQRES  21 A  263  HIS ASP GLU                                                  
HET     CO  A 401       1                                                       
HET     CO  A 402       1                                                       
HET     NA  A 501       1                                                       
HET    NLP  A 300      10                                                       
HETNAM      CO COBALT (II) ION                                                  
HETNAM      NA SODIUM ION                                                       
HETNAM     NLP (1-AMINO-PENTYL)-PHOSPHONIC ACID                                 
HETSYN     NLP NORLEUCINE PHOSPHONATE                                           
FORMUL   2   CO    2(CO 2+)                                                     
FORMUL   4   NA    NA 1+                                                        
FORMUL   5  NLP    C5 H14 N O3 P                                                
FORMUL   6  HOH   *79(H2 O)                                                     
HELIX    1   1 THR A    7  GLU A   29  1                                  23    
HELIX    2   2 PRO A   30  VAL A   32  5                                   3    
HELIX    3   3 SER A   37  GLU A   52  1                                  16    
HELIX    4   4 GLY A   61  TYR A   65  5                                   5    
HELIX    5   5 THR A  119  ARG A  138  1                                  20    
HELIX    6   6 ASN A  145  GLU A  160  1                                  16    
SHEET    1   A 3 PHE A 105  ILE A 114  0                                        
SHEET    2   A 3 ILE A  93  LYS A 102 -1  N  VAL A  94   O  PHE A 113           
SHEET    3   A 3 VAL A  56  SER A  57 -1  O  VAL A  56   N  ILE A 101           
SHEET    1  A1 3 PHE A 105  ILE A 114  0                                        
SHEET    2  A1 3 ILE A  93  LYS A 102 -1  N  VAL A  94   O  PHE A 113           
SHEET    3  A1 3 CYS A  70  ILE A  73 -1  O  CYS A  70   N  ASP A  97           
SHEET    1   B 3 VAL A  76  CYS A  78  0                                        
SHEET    2   B 3 VAL A 223  THR A 225 -1  O  VAL A 223   N  VAL A  77           
SHEET    3   B 3 ILE A 214  THR A 216 -1  N  ARG A 215   O  LYS A 224           
SHEET    1   C 3 SER A 163  VAL A 164  0                                        
SHEET    2   C 3 MET A 206  ASN A 208 -1  N  ASN A 208   O  SER A 163           
SHEET    3   C 3 SER A 231  GLN A 233 -1  N  ALA A 232   O  VAL A 207           
SHEET    1   D 2 GLY A 170  GLY A 172  0                                        
SHEET    2   D 2 GLU A 179  VAL A 183 -1  N  GLU A 179   O  GLY A 172           
SHEET    1   E 4 THR A 200  ILE A 203  0                                        
SHEET    2   E 4 HIS A 236  THR A 241 -1  N  HIS A 236   O  ILE A 203           
SHEET    3   E 4 GLY A 244  ILE A 247 -1  O  GLY A 244   N  THR A 241           
SHEET    4   E 4 ILE A 259  SER A 261 -1  N  ILE A 260   O  CYS A 245           
LINK         O   ASN A  74                NA    NA A 501     1555   1555  2.90  
LINK         O   VAL A  76                NA    NA A 501     1555   1555  2.64  
LINK         OD2 ASP A  97                CO    CO A 402     1555   1555  2.34  
LINK         OD1 ASP A  97                CO    CO A 402     1555   1555  2.25  
LINK         OD1 ASP A 108                CO    CO A 401     1555   1555  1.85  
LINK         OD2 ASP A 108                CO    CO A 402     1555   1555  2.00  
LINK         NE2 HIS A 171                CO    CO A 401     1555   1555  2.13  
LINK         OE2 GLU A 204                CO    CO A 401     1555   1555  2.28  
LINK         O   SER A 231                NA    NA A 501     1555   1555  2.75  
LINK         OE1 GLU A 235                CO    CO A 401     1555   1555  2.08  
LINK         OE2 GLU A 235                CO    CO A 402     1555   1555  2.19  
LINK         O2  NLP A 300                CO    CO A 401     1555   1555  2.60  
LINK         O1  NLP A 300                CO    CO A 401     1555   1555  2.16  
LINK         N   NLP A 300                CO    CO A 402     1555   1555  2.43  
LINK         O1  NLP A 300                CO    CO A 402     1555   1555  2.31  
LINK        NA    NA A 501                 O   HOH A 551     1555   1555  2.82  
CISPEP   1 GLU A  180    PRO A  181          0         1.99                     
SITE     1 AC1  6 ASP A 108  HIS A 171  GLU A 204  GLU A 235                    
SITE     2 AC1  6 NLP A 300   CO A 402                                          
SITE     1 AC2  5 ASP A  97  ASP A 108  GLU A 235  NLP A 300                    
SITE     2 AC2  5  CO A 401                                                     
SITE     1 AC3  5 SER A  72  ASN A  74  VAL A  76  SER A 231                    
SITE     2 AC3  5 HOH A 551                                                     
SITE     1 AC4 12 HIS A  79  ASP A  97  THR A  99  ASP A 108                    
SITE     2 AC4 12 HIS A 171  PHE A 177  HIS A 178  GLU A 204                    
SITE     3 AC4 12 GLU A 235   CO A 401   CO A 402  HOH A 578                    
CRYST1   39.298   67.206   49.104  90.00 111.52  90.00 P 1 21 1      2          
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      0.025447  0.000000  0.010034        0.00000                         
SCALE2      0.000000  0.014880  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021891        0.00000