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Database: PDB
Entry: 1GS5
LinkDB: 1GS5
Original site: 1GS5 
HEADER    TRANSFERASE                             28-DEC-01   1GS5              
TITLE     N-ACETYL-L-GLUTAMATE KINASE FROM ESCHERICHIA COLI COMPLEXED WITH ITS  
TITLE    2 SUBSTRATE N-ACETYLGLUTAMATE AND ITS SUBSTRATE ANALOG AMPPNP          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ACETYLGLUTAMATE KINASE;                                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: NAG KINASE, AGK, N-ACETYL-L-GLUTAMATE 5-PHOSPHOTRANSFERASE; 
COMPND   5 EC: 2.7.2.8;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 469008;                                              
SOURCE   4 STRAIN: BL21(DE3);                                                   
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET-15B;                                  
SOURCE   9 OTHER_DETAILS: NOVAGEN                                               
KEYWDS    CARBAMATE KINASE, AMINO ACID KINASE, ARGININE BIOSYNTHESIS,           
KEYWDS   2 PHOSPHORYL GROUP TRANSFER, TRANSFERASE                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.RAMON-MAIQUES,A.MARINA,F.GIL-ORTIZ,I.FITA,V.RUBIO                   
REVDAT   4   13-DEC-23 1GS5    1       REMARK LINK                              
REVDAT   3   05-FEB-14 1GS5    1       HEADER SOURCE KEYWDS REMARK              
REVDAT   3 2                   1       VERSN  FORMUL SITE                       
REVDAT   2   24-FEB-09 1GS5    1       VERSN                                    
REVDAT   1   16-MAY-02 1GS5    0                                                
JRNL        AUTH   S.RAMON-MAIQUES,A.MARINA,F.GIL-ORTIZ,I.FITA,V.RUBIO          
JRNL        TITL   STRUCTURE OF ACETYLGLUTAMATE KINASE, A KEY ENZYME FOR        
JRNL        TITL 2 ARGININE BIOSYNTHESIS AND A PROTOTYPE FOR THE AMINO ACID     
JRNL        TITL 3 KINASE ENZYME FAMILY, DURING CATALYSIS                       
JRNL        REF    STRUCTURE                     V.  10   329 2002              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   12005432                                                     
JRNL        DOI    10.1016/S0969-2126(02)00721-9                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 35599                          
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 + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.209                           
REMARK   3   FREE R VALUE                     : 0.213                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1883                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1903                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 45                                      
REMARK   3   SOLVENT ATOMS            : 198                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.091         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.061         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.600         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; 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  OTHER REFINEMENT REMARKS: NONE                                      
REMARK   4                                                                      
REMARK   4 1GS5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 28-DEC-01.                  
REMARK 100 THE DEPOSITION ID IS D_1290009174.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAY-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 4.60                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1                                  
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 37460                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 53.710                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 5.200                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.04200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.58                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.70                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.34900                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
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: PDB ENTRY 1GSJ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 27-32% PEG MONOMETHYLETHER 2000, 0.1     
REMARK 280  -0.3M AMMONIUM SULFATE, 5% ETHYLENE GLYCOL, 0.1M SODIUM ACETATE     
REMARK 280  PH 4.6, PH 4.60                                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       53.70900            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       53.70900            
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        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       29.78200            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       36.16600            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       29.78200            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       36.16600            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       53.70900            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       29.78200            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       36.16600            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       53.70900            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       29.78200            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       36.16600            
REMARK 290   SMTRY3   8  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: DIMERIC                           
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 -1.000000  0.000000  0.000000       59.56400            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       53.70900            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OD1  ASP A   212     N    GLY A   213              1.24            
REMARK 500   O    HOH A  2189     O    HOH A  2191              1.51            
REMARK 500   OE1  GLU A   138     O    HOH A  2118              1.81            
REMARK 500   O    HOH A  2179     O    HOH A  2180              1.92            
REMARK 500   O    ILE A    75     O    HOH A  2064              1.96            
REMARK 500   O    HOH A  2162     O    HOH A  2163              2.00            
REMARK 500   OE1  GLU A   138     O    HOH A  2117              2.08            
REMARK 500   O    HOH A  2061     O    HOH A  2062              2.16            
REMARK 500   O    HOH A  2018     O    HOH A  2062              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    MET A   1   CG    MET A   1   SD      0.160                       
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    ARG A  22   CD  -  NE  -  CZ  ANGL. DEV. =  11.5 DEGREES          
REMARK 500    ARG A  36   NE  -  CZ  -  NH1 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ARG A  66   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    ASP A  74   CB  -  CG  -  OD2 ANGL. DEV. =   7.0 DEGREES          
REMARK 500    HIS A  95   CE1 -  NE2 -  CD2 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    PHE A 103   CB  -  CG  -  CD1 ANGL. DEV. =  -5.1 DEGREES          
REMARK 500    ASP A 152   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ARG A 192   CD  -  NE  -  CZ  ANGL. DEV. =   9.3 DEGREES          
REMARK 500    ARG A 192   NE  -  CZ  -  NH1 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500    ARG A 192   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    GLU A 202   CG  -  CD  -  OE1 ANGL. DEV. =  12.0 DEGREES          
REMARK 500    VAL A 218   O   -  C   -  N   ANGL. DEV. =  -9.8 DEGREES          
REMARK 500    ASP A 233   O   -  C   -  N   ANGL. DEV. =  11.0 DEGREES          
REMARK 500    ILE A 234   O   -  C   -  N   ANGL. DEV. = -10.0 DEGREES          
REMARK 500    GLU A 241   OE1 -  CD  -  OE2 ANGL. DEV. =  -9.7 DEGREES          
REMARK 500    MET A 250   CG  -  SD  -  CE  ANGL. DEV. =  10.5 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    ASN A  56       38.28     70.36                                   
REMARK 500    ASP A 212     -129.56     53.62                                   
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 A1261  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ANP A1260   O2G                                                    
REMARK 620 2 ANP A1260   O2A  94.0                                              
REMARK 620 3 ANP A1260   O1B  80.5  89.0                                        
REMARK 620 4 HOH A2135   O   166.7  97.3 106.4                                  
REMARK 620 5 HOH A2195   O    82.5 175.0  86.9  86.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1261                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NLG A 1259                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ANP A 1260                
DBREF  1GS5 A    1   258  UNP    P11445   ARGB_ECOLI       1    258             
SEQRES   1 A  258  MET MET ASN PRO LEU ILE ILE LYS LEU GLY GLY VAL LEU          
SEQRES   2 A  258  LEU ASP SER GLU GLU ALA LEU GLU ARG LEU PHE SER ALA          
SEQRES   3 A  258  LEU VAL ASN TYR ARG GLU SER HIS GLN ARG PRO LEU VAL          
SEQRES   4 A  258  ILE VAL HIS GLY GLY GLY CYS VAL VAL ASP GLU LEU MET          
SEQRES   5 A  258  LYS GLY LEU ASN LEU PRO VAL LYS LYS LYS ASN GLY LEU          
SEQRES   6 A  258  ARG VAL THR PRO ALA ASP GLN ILE ASP ILE ILE THR GLY          
SEQRES   7 A  258  ALA LEU ALA GLY THR ALA ASN LYS THR LEU LEU ALA TRP          
SEQRES   8 A  258  ALA LYS LYS HIS GLN ILE ALA ALA VAL GLY LEU PHE LEU          
SEQRES   9 A  258  GLY ASP GLY ASP SER VAL LYS VAL THR GLN LEU ASP GLU          
SEQRES  10 A  258  GLU LEU GLY HIS VAL GLY LEU ALA GLN PRO GLY SER PRO          
SEQRES  11 A  258  LYS LEU ILE ASN SER LEU LEU GLU ASN GLY TYR LEU PRO          
SEQRES  12 A  258  VAL VAL SER SER ILE GLY VAL THR ASP GLU GLY GLN LEU          
SEQRES  13 A  258  MET ASN VAL ASN ALA ASP GLN ALA ALA THR ALA LEU ALA          
SEQRES  14 A  258  ALA THR LEU GLY ALA ASP LEU ILE LEU LEU SER ASP VAL          
SEQRES  15 A  258  SER GLY ILE LEU ASP GLY LYS GLY GLN ARG ILE ALA GLU          
SEQRES  16 A  258  MET THR ALA ALA LYS ALA GLU GLN LEU ILE GLU GLN GLY          
SEQRES  17 A  258  ILE ILE THR ASP GLY MET ILE VAL LYS VAL ASN ALA ALA          
SEQRES  18 A  258  LEU ASP ALA ALA ARG THR LEU GLY ARG PRO VAL ASP ILE          
SEQRES  19 A  258  ALA SER TRP ARG HIS ALA GLU GLN LEU PRO ALA LEU PHE          
SEQRES  20 A  258  ASN GLY MET PRO MET GLY THR ARG ILE LEU ALA                  
HET    NLG  A1259      13                                                       
HET    ANP  A1260      31                                                       
HET     MG  A1261       1                                                       
HETNAM     NLG N-ACETYL-L-GLUTAMATE                                             
HETNAM     ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER                      
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   2  NLG    C7 H11 N O5                                                  
FORMUL   3  ANP    C10 H17 N6 O12 P3                                            
FORMUL   4   MG    MG 2+                                                        
FORMUL   5  HOH   *198(H2 O)                                                    
HELIX    1   1 GLY A   11  ASP A   15  5                                   5    
HELIX    2   2 SER A   16  GLU A   32  1                                  17    
HELIX    3   3 GLY A   44  ASN A   56  1                                  13    
HELIX    4   4 PRO A   69  GLY A   82  1                                  14    
HELIX    5   5 GLY A   82  HIS A   95  1                                  14    
HELIX    6   6 GLY A  105  ASP A  108  5                                   4    
HELIX    7   7 ASP A  116  LEU A  119  5                                   4    
HELIX    8   8 PRO A  130  ASN A  139  1                                  10    
HELIX    9   9 ASN A  160  GLY A  173  1                                  14    
HELIX   10  10 THR A  197  GLN A  207  1                                  11    
HELIX   11  11 ASP A  212  GLY A  229  1                                  18    
HELIX   12  12 HIS A  239  GLU A  241  5                                   3    
HELIX   13  13 GLN A  242  ASN A  248  1                                   7    
SHEET    1  AA 8 ALA A  99  LEU A 102  0                                        
SHEET    2  AA 8 LEU A 142  VAL A 145  1  O  LEU A 142   N  VAL A 100           
SHEET    3  AA 8 LEU A  38  HIS A  42  1  O  ILE A  40   N  VAL A 145           
SHEET    4  AA 8 LEU A   5  LEU A   9  1  O  LEU A   5   N  VAL A  39           
SHEET    5  AA 8 ASP A 175  SER A 180  1  O  ASP A 175   N  ILE A   6           
SHEET    6  AA 8 VAL A 232  SER A 236  1  O  ASP A 233   N  LEU A 178           
SHEET    7  AA 8 THR A 254  ILE A 256 -1  O  THR A 254   N  ILE A 234           
SHEET    8  AA 8 GLU A 195  MET A 196  1  N  MET A 196   O  ARG A 255           
SHEET    1  AB 2 LYS A  61  LYS A  62  0                                        
SHEET    2  AB 2 LEU A  65  ARG A  66 -1  O  LEU A  65   N  LYS A  62           
SHEET    1  AC 2 VAL A 110  GLN A 114  0                                        
SHEET    2  AC 2 GLY A 123  PRO A 127 -1  O  LEU A 124   N  THR A 113           
SHEET    1  AD 2 ILE A 148  VAL A 150  0                                        
SHEET    2  AD 2 LEU A 156  ASN A 158 -1  O  MET A 157   N  GLY A 149           
LINK         O2G ANP A1260                MG    MG A1261     1555   1555  2.77  
LINK         O2A ANP A1260                MG    MG A1261     1555   1555  2.13  
LINK         O1B ANP A1260                MG    MG A1261     1555   1555  2.18  
LINK        MG    MG A1261                 O   HOH A2135     1555   1555  2.65  
LINK        MG    MG A1261                 O   HOH A2195     1555   1555  2.51  
SITE     1 AC1  3 ANP A1260  HOH A2135  HOH A2195                               
SITE     1 AC2 14 GLY A  43  GLY A  44  GLY A  45  LEU A  65                    
SITE     2 AC2 14 ARG A  66  LEU A  80  ASN A 158  VAL A 159                    
SITE     3 AC2 14 ASN A 160  ALA A 161  ANP A1260  HOH A2194                    
SITE     4 AC2 14 HOH A2195  HOH A2196                                          
SITE     1 AC3 18 LYS A   8  GLY A  10  GLY A  11  GLY A  43                    
SITE     2 AC3 18 GLY A  44  GLY A  45  SER A 180  VAL A 182                    
SITE     3 AC3 18 LEU A 186  ILE A 209  ILE A 210  THR A 211                    
SITE     4 AC3 18 MET A 214  LYS A 217  NLG A1259   MG A1261                    
SITE     5 AC3 18 HOH A2197  HOH A2198                                          
CRYST1   59.564   72.332  107.418  90.00  90.00  90.00 C 2 2 21      8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.016789  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013825  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009309        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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