PDB Short entry for 1CH8
HEADER    LIGASE                                  31-MAR-99   1CH8              
TITLE     STRUCTURE OF ADENYLOSUCCINATE SYNTHETASE FROM E. COLI COMPLEXED WITH A
TITLE    2 STRINGENT EFFECTOR, PPG2':3'P                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (ADENYLOSUCCINATE SYNTHETASE);                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: AMPSASE;                                                    
COMPND   5 EC: 6.3.4.4;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K-12;                                                        
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: PUR A- STRAIN H1238;                       
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PTRC99A                                   
KEYWDS    LIGASE, ADENYLOSUCCINATE SYNTHETASE, GTP-HYDROLYSING ENZYMES, PURINE  
KEYWDS   2 2 NUCLEOTIDE BIOSYNTHESIS, PPGPP, PPG2':3'P, STRINGENT EFFECTOR      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Z.HOU,M.CASHEL,H.J.FROMM,R.B.HONZATKO                                 
REVDAT   4   04-OCT-17 1CH8    1       REMARK                                   
REVDAT   3   13-JUL-11 1CH8    1       VERSN                                    
REVDAT   2   24-FEB-09 1CH8    1       VERSN                                    
REVDAT   1   29-DEC-99 1CH8    0                                                
JRNL        AUTH   Z.HOU,M.CASHEL,H.J.FROMM,R.B.HONZATKO                        
JRNL        TITL   EFFECTORS OF THE STRINGENT RESPONSE TARGET THE ACTIVE SITE   
JRNL        TITL 2 OF ESCHERICHIA COLI ADENYLOSUCCINATE SYNTHETASE.             
JRNL        REF    J.BIOL.CHEM.                  V. 274 17505 1999              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   10364182                                                     
JRNL        DOI    10.1074/JBC.274.25.17505                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
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) : 5.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 86.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 15550                          
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) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.250                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1555                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
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            : 3321                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 67                                      
REMARK   3   SOLVENT ATOMS            : 354                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 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) : 1.610                           
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  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : PARNAH1E.DNA                                   
REMARK   3  PARAMETER FILE  3  : PARAM19.SOL                                    
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : TOPH19.PEP                                     
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1CH8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-APR-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000769.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : FEB-97                             
REMARK 200  TEMPERATURE           (KELVIN) : 120                                
REMARK 200  PH                             : 6.5                                
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          : SIEMENS                            
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS                            
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : X-GEN                              
REMARK 200  DATA SCALING SOFTWARE          : X-GEN                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23427                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 2.500                              
REMARK 200  R MERGE                    (I) : 0.09200                            
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) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.60                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.0                               
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: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: 1GIM                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.11                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 16% PEG 8000, 100MM NA-CACODYLATE (PH    
REMARK 280  6.5)                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866214  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.865837 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      105.65240            
REMARK 290   SMTRY1   3 -0.500000  0.866214  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.865837 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       52.82620            
REMARK 290   SMTRY1   4 -0.500000  0.866214  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.865837  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       52.82620            
REMARK 290   SMTRY1   6 -0.500000 -0.866214  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.865837  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      105.65240            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
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 -0.866214  0.000000        0.00000            
REMARK 350   BIOMT2   2 -0.865837  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      105.65240            
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    GLN A  10     -110.26   -119.58                                   
REMARK 500    HIS A  53      -73.26   -135.24                                   
REMARK 500    SER A  57       37.82    -73.90                                   
REMARK 500    GLN A 224     -141.41     48.17                                   
REMARK 500    SER A 252      -38.69   -143.81                                   
REMARK 500    ALA A 268      -19.59    -44.95                                   
REMARK 500    PHE A 278       81.82   -154.34                                   
REMARK 500    ASP A 284     -156.72    -79.63                                   
REMARK 500    ASN A 295       57.45     30.49                                   
REMARK 500    LEU A 360      -83.73    -90.33                                   
REMARK 500    LYS A 366      -75.90    -32.30                                   
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                              MG A 434  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  13   OD1                                                    
REMARK 620 2 GLY A  40   O   163.0                                              
REMARK 620 3 NO3 A 433   O2   91.3  87.0                                        
REMARK 620 4 GPX A 432   O1A 101.2  85.9 158.3                                  
REMARK 620 5 GPX A 432   O2B 101.9  94.7  82.3  77.9                            
REMARK 620 6 HDA A 437   O    87.9  75.5  97.1 100.9 170.2                      
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 NO3 A 433                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 434                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GPX A 432                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HDA A 437                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMP A 440                 
DBREF  1CH8 A    1   431  UNP    P0A7D4   PURA_ECOLI       1    431             
SEQRES   1 A  431  GLY ASN ASN VAL VAL VAL LEU GLY THR GLN TRP GLY ASP          
SEQRES   2 A  431  GLU GLY LYS GLY LYS ILE VAL ASP LEU LEU THR GLU ARG          
SEQRES   3 A  431  ALA LYS TYR VAL VAL ARG TYR GLN GLY GLY HIS ASN ALA          
SEQRES   4 A  431  GLY HIS THR LEU VAL ILE ASN GLY GLU LYS THR VAL LEU          
SEQRES   5 A  431  HIS LEU ILE PRO SER GLY ILE LEU ARG GLU ASN VAL THR          
SEQRES   6 A  431  SER ILE ILE GLY ASN GLY VAL VAL LEU SER PRO ALA ALA          
SEQRES   7 A  431  LEU MET LYS GLU MET LYS GLU LEU GLU ASP ARG GLY ILE          
SEQRES   8 A  431  PRO VAL ARG GLU ARG LEU LEU LEU SER GLU ALA CYS PRO          
SEQRES   9 A  431  LEU ILE LEU ASP TYR HIS VAL ALA LEU ASP ASN ALA ARG          
SEQRES  10 A  431  GLU LYS ALA ARG GLY ALA LYS ALA ILE GLY THR THR GLY          
SEQRES  11 A  431  ARG GLY ILE GLY PRO ALA TYR GLU ASP LYS VAL ALA ARG          
SEQRES  12 A  431  ARG GLY LEU ARG VAL GLY ASP LEU PHE ASP LYS GLU THR          
SEQRES  13 A  431  PHE ALA GLU LYS LEU LYS GLU VAL MET GLU TYR HIS ASN          
SEQRES  14 A  431  PHE GLN LEU VAL ASN TYR TYR LYS ALA GLU ALA VAL ASP          
SEQRES  15 A  431  TYR GLN LYS VAL LEU ASP ASP THR MET ALA VAL ALA ASP          
SEQRES  16 A  431  ILE LEU THR SER MET VAL VAL ASP VAL SER ASP LEU LEU          
SEQRES  17 A  431  ASP GLN ALA ARG GLN ARG GLY ASP PHE VAL MET PHE GLU          
SEQRES  18 A  431  GLY ALA GLN GLY THR LEU LEU ASP ILE ASP HIS GLY THR          
SEQRES  19 A  431  TYR PRO TYR VAL THR SER SER ASN THR THR ALA GLY GLY          
SEQRES  20 A  431  VAL ALA THR GLY SER GLY LEU GLY PRO ARG TYR VAL ASP          
SEQRES  21 A  431  TYR VAL LEU GLY ILE LEU LYS ALA TYR SER THR ARG VAL          
SEQRES  22 A  431  GLY ALA GLY PRO PHE PRO THR GLU LEU PHE ASP GLU THR          
SEQRES  23 A  431  GLY GLU PHE LEU CYS LYS GLN GLY ASN GLU PHE GLY ALA          
SEQRES  24 A  431  THR THR GLY ARG ARG ARG ARG THR GLY TRP LEU ASP THR          
SEQRES  25 A  431  VAL ALA VAL ARG ARG ALA VAL GLN LEU ASN SER LEU SER          
SEQRES  26 A  431  GLY PHE CYS LEU THR LYS LEU ASP VAL LEU ASP GLY LEU          
SEQRES  27 A  431  LYS GLU VAL LYS LEU CYS VAL ALA TYR ARG MET PRO ASP          
SEQRES  28 A  431  GLY ARG GLU VAL THR THR THR PRO LEU ALA ALA ASP ASP          
SEQRES  29 A  431  TRP LYS GLY VAL GLU PRO ILE TYR GLU THR MET PRO GLY          
SEQRES  30 A  431  TRP SER GLU SER THR PHE GLY VAL LYS ASP ARG SER GLY          
SEQRES  31 A  431  LEU PRO GLN ALA ALA LEU ASN TYR ILE LYS ARG ILE GLU          
SEQRES  32 A  431  GLU LEU THR GLY VAL PRO ILE ASP ILE ILE SER THR GLY          
SEQRES  33 A  431  PRO ASP ARG THR GLU THR MET ILE LEU ARG ASP PRO PHE          
SEQRES  34 A  431  ASP ALA                                                      
HET    NO3  A 433       4                                                       
HET     MG  A 434       1                                                       
HET    GPX  A 432      31                                                       
HET    HDA  A 437       8                                                       
HET    IMP  A 440      23                                                       
HETNAM     NO3 NITRATE ION                                                      
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     GPX GUANOSINE 5'-DIPHOSPHATE 2':3'-CYCLIC MONOPHOSPHATE              
HETNAM     HDA HADACIDIN                                                        
HETNAM     IMP INOSINIC ACID                                                    
FORMUL   2  NO3    N O3 1-                                                      
FORMUL   3   MG    MG 2+                                                        
FORMUL   4  GPX    C10 H14 N5 O13 P3                                            
FORMUL   5  HDA    C3 H5 N O4                                                   
FORMUL   6  IMP    C10 H13 N4 O8 P                                              
FORMUL   7  HOH   *354(H2 O)                                                    
HELIX    1   1 LYS A   16  GLU A   25  1                                  10    
HELIX    2   2 PRO A   76  ARG A   89  1                                  14    
HELIX    3   3 VAL A   93  ARG A   96  1                                   4    
HELIX    4   4 ASP A  108  ALA A  120  1                                  13    
HELIX    5   5 GLY A  122  LYS A  124  5                                   3    
HELIX    6   6 ILE A  133  VAL A  141  1                                   9    
HELIX    7   7 VAL A  148  PHE A  152  5                                   5    
HELIX    8   8 LYS A  154  ASN A  174  1                                  21    
HELIX    9   9 TYR A  183  MET A  191  1                                   9    
HELIX   10  10 ALA A  194  MET A  200  1                                   7    
HELIX   11  11 VAL A  204  ARG A  214  1                                  11    
HELIX   12  12 THR A  226  LEU A  228  5                                   3    
HELIX   13  13 ALA A  245  THR A  250  5                                   6    
HELIX   14  14 PRO A  256  TYR A  258  5                                   3    
HELIX   15  15 GLU A  285  GLN A  293  1                                   9    
HELIX   16  16 THR A  312  ASN A  322  1                                  11    
HELIX   17  17 LEU A  332  LEU A  335  5                                   4    
HELIX   18  18 ALA A  362  TRP A  365  5                                   4    
HELIX   19  19 ARG A  388  GLY A  390  5                                   3    
HELIX   20  20 GLN A  393  THR A  406  1                                  14    
SHEET    1   A 9 THR A 422  ILE A 424  0                                        
SHEET    2   A 9 ILE A 410  SER A 414 -1  N  ILE A 413   O  MET A 423           
SHEET    3   A 9 GLY A 326  THR A 330  1  N  PHE A 327   O  ASP A 411           
SHEET    4   A 9 TYR A 261  LYS A 267  1  N  GLY A 264   O  GLY A 326           
SHEET    5   A 9 ASN A   3  GLY A   8  1  N  VAL A   5   O  TYR A 261           
SHEET    6   A 9 VAL A 218  GLU A 221  1  N  VAL A 218   O  VAL A   4           
SHEET    7   A 9 TYR A  29  ARG A  32  1  N  TYR A  29   O  MET A 219           
SHEET    8   A 9 THR A  65  ILE A  68  1  N  THR A  65   O  VAL A  30           
SHEET    9   A 9 LEU A  97  LEU A  99  1  N  LEU A  98   O  SER A  66           
SHEET    1   B 2 HIS A  41  ILE A  45  0                                        
SHEET    2   B 2 GLU A  48  LEU A  52 -1  N  LEU A  52   O  HIS A  41           
SHEET    1   C 2 SER A 270  ARG A 272  0                                        
SHEET    2   C 2 ARG A 306  GLY A 308 -1  N  GLY A 308   O  SER A 270           
SHEET    1   D 2 GLU A 340  ARG A 348  0                                        
SHEET    2   D 2 GLU A 369  PRO A 376 -1  N  MET A 375   O  VAL A 341           
LINK        MG    MG A 434                 OD1 ASP A  13     1555   1555  2.47  
LINK        MG    MG A 434                 O   GLY A  40     1555   1555  2.04  
LINK        MG    MG A 434                 O2  NO3 A 433     1555   1555  2.30  
LINK        MG    MG A 434                 O1A GPX A 432     1555   1555  2.29  
LINK        MG    MG A 434                 O2B GPX A 432     1555   1555  2.10  
LINK        MG    MG A 434                 O   HDA A 437     1555   1555  2.19  
CISPEP   1 TYR A  235    PRO A  236          0        -0.13                     
SITE     1 AC1 10 ASP A  13  LYS A  16  ALA A  39  GLY A  40                    
SITE     2 AC1 10 ALA A 223  GLN A 224  GPX A 432   MG A 434                    
SITE     3 AC1 10 HDA A 437  IMP A 440                                          
SITE     1 AC2  5 ASP A  13  GLY A  40  GPX A 432  NO3 A 433                    
SITE     2 AC2  5 HDA A 437                                                     
SITE     1 AC3 23 ASP A  13  GLU A  14  GLY A  15  LYS A  16                    
SITE     2 AC3 23 GLY A  17  GLY A  40  HIS A  41  THR A  42                    
SITE     3 AC3 23 LYS A  49  ARG A 305  LYS A 331  ASP A 333                    
SITE     4 AC3 23 SER A 414  GLY A 416  PRO A 417  NO3 A 433                    
SITE     5 AC3 23  MG A 434  HDA A 437  HOH A 501  HOH A 587                    
SITE     6 AC3 23 HOH A 605  HOH A 738  HOH A 863                               
SITE     1 AC4 13 ASP A  13  GLY A  40  THR A 129  GLY A 298                    
SITE     2 AC4 13 ALA A 299  THR A 300  THR A 301  ARG A 303                    
SITE     3 AC4 13 ARG A 305  GPX A 432  NO3 A 433   MG A 434                    
SITE     4 AC4 13 IMP A 440                                                     
SITE     1 AC5 20 ASP A  13  ASN A  38  ALA A  39  ILE A 126                    
SITE     2 AC5 20 GLY A 127  THR A 128  THR A 129  ARG A 143                    
SITE     3 AC5 20 GLN A 224  VAL A 238  THR A 239  VAL A 273                    
SITE     4 AC5 20 GLY A 274  ARG A 303  NO3 A 433  HDA A 437                    
SITE     5 AC5 20 HOH A 546  HOH A 692  HOH A 697  HOH A 702                    
CRYST1   80.300   80.300  158.200  90.00  90.00 120.00 P 32 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.012520  0.007230  0.000000        0.00000                         
SCALE2      0.000000  0.014460  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006310        0.00000