HEADER    KINASE                                  07-JAN-02   1GSJ              
TITLE     SELENOMETHIONINE SUBSTITUTED N-ACETYL-L-GLUTAMATE KINASE FROM         
TITLE    2 ESCHERICHIA COLI COMPLEXED WITH ITS SUBSTRATE N-ACETYL-L-GLUTAMATE   
TITLE    3 AND ITS SUBSTRATE ANALOG AMPPNP                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ACETYLGLUTAMATE KINASE;                                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.7.2.8;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 OTHER_DETAILS: SELENOMETHIONINE SUBSTITUTED ENZYME                   
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI BL21(DE3);                     
SOURCE   3 ORGANISM_TAXID: 469008;                                              
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: B834 (DE3) PLYSS;                          
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PET-15B;                                  
SOURCE   8 OTHER_DETAILS: FROM NOVAGEN                                          
KEYWDS    KINASE, ACETYLGLUTAMATE KINASE, SELENOMETHIONINE, CARBAMATE KINASE,   
KEYWDS   2 AMINO ACID KINASE, ARGININE BIOSYNTHESIS, PHOSPHORYL GROUP TRANSFER, 
KEYWDS   3 PROTEIN CRYSTALLOGRAPHY                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.RAMON-MAIQUES,A.MARINA,F.GIL-ORTIZ,I.FITA,V.RUBIO                   
REVDAT   6   13-NOV-24 1GSJ    1       LINK                                     
REVDAT   5   24-JUL-19 1GSJ    1       REMARK                                   
REVDAT   4   10-JUL-19 1GSJ    1       REMARK LINK                              
REVDAT   3   24-OCT-18 1GSJ    1       SOURCE REMARK                            
REVDAT   2   24-FEB-09 1GSJ    1       VERSN                                    
REVDAT   1   16-MAY-02 1GSJ    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.    1.85 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.91                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 2952440.370                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 19687                          
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) : 0.199                           
REMARK   3   FREE R VALUE                     : 0.227                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1005                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.85                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.97                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.50                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3030                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2160                       
REMARK   3   BIN FREE R VALUE                    : 0.2370                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.40                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 173                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.018                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1904                                    
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) : 11.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.41000                                             
REMARK   3    B22 (A**2) : 0.87000                                              
REMARK   3    B33 (A**2) : -0.46000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.10                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.24                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.13                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.600                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.50                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 3.160                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.36                                                 
REMARK   3   BSOL        : 52.78                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1GSJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-JAN-02.                  
REMARK 100 THE DEPOSITION ID IS D_1290009200.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAR-99                          
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               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X31                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.94, 0.9765, 0.9770               
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL MONOCHROMATOR       
REMARK 200  OPTICS                         : TOROIDAL MIRROR                    
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 345 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 20642                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.820                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 29.800                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY                : 5.200                              
REMARK 200  R MERGE                    (I) : 0.05900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.82                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.92                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.28100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THIS ENZYME IS INVOLVED IN THE SECOND STEP OF ARGININE               
REMARK 400  BIOSYNTHESIS.                                                       
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   OG   SER A   183     O    HOH A  2145              2.05            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   ND2  ASN A    29     OE1  GLU A   206     8456     1.71            
REMARK 500   O    HOH A  2116     O    HOH A  2116     3655     1.98            
REMARK 500   OE2  GLU A   206     CG   PRO A   244     8556     2.04            
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    MSE A   1   CG    MSE A   1  SE       0.212                       
REMARK 500    GLU A 206   CG    GLU A 206   CD     -0.137                       
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    MSE A   1   CB  -  CG  - SE   ANGL. DEV. =  30.3 DEGREES          
REMARK 500    ILE A  76   CB  -  CG1 -  CD1 ANGL. DEV. =  17.7 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    ASP A 212     -126.90     44.98                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2006        DISTANCE =  6.79 ANGSTROMS                       
REMARK 525    HOH A2014        DISTANCE =  6.19 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A1261  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ANP A1260   O2A                                                    
REMARK 620 2 ANP A1260   O1B  89.0                                              
REMARK 620 3 ANP A1260   O2G  94.0  80.5                                        
REMARK 620 4 HOH A2133   O    97.2 109.1 165.3                                  
REMARK 620 5 HOH A2194   O   174.7  86.9  82.0  87.3                            
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 A1261                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NLG A1259                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ANP A1260                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1GS5   RELATED DB: PDB                                   
REMARK 900 N-ACETYL-L-GLUTAMATE KINASE FROM ESCHERICHIA COLI COMPLEXED WITH     
REMARK 900 ITS SUBSTRATE N- ACETYLGLUTAMATE AND ITS SUBSTRATE ANALOG AMPPNP     
REMARK 900 RELATED ID: 1GSJ   RELATED DB: PDB                                   
REMARK 900 SELENOMETHIONINE SUBSTITUTED N-ACETYL-L- GLUTAMATE KINASE FROM       
REMARK 900 ESCHERICHIA COLI COMPLEXED WITH ITS SUBSTRATE N-ACETYL-L- GLUTAMATE  
REMARK 900 AND ITS SUBSTRATE ANALOG AMPPNP                                      
DBREF  1GSJ A    1   258  UNP    P11445   ARGB_ECOLI       1    258             
SEQRES   1 A  258  MSE MSE 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 MSE          
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  MSE 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  MSE THR ALA ALA LYS ALA GLU GLN LEU ILE GLU GLN GLY          
SEQRES  17 A  258  ILE ILE THR ASP GLY MSE 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 MSE PRO MSE GLY THR ARG ILE LEU ALA                  
MODRES 1GSJ MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 1GSJ MSE A    2  MET  SELENOMETHIONINE                                   
MODRES 1GSJ MSE A   52  MET  SELENOMETHIONINE                                   
MODRES 1GSJ MSE A  157  MET  SELENOMETHIONINE                                   
MODRES 1GSJ MSE A  196  MET  SELENOMETHIONINE                                   
MODRES 1GSJ MSE A  214  MET  SELENOMETHIONINE                                   
MODRES 1GSJ MSE A  250  MET  SELENOMETHIONINE                                   
MODRES 1GSJ MSE A  252  MET  SELENOMETHIONINE                                   
HET    MSE  A   1      10                                                       
HET    MSE  A   2       8                                                       
HET    MSE  A  52       8                                                       
HET    MSE  A 157       8                                                       
HET    MSE  A 196       8                                                       
HET    MSE  A 214       8                                                       
HET    MSE  A 250       8                                                       
HET    MSE  A 252       8                                                       
HET    NLG  A1259      13                                                       
HET    ANP  A1260      31                                                       
HET     MG  A1261       1                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     NLG N-ACETYL-L-GLUTAMATE                                             
HETNAM     ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER                      
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   1  MSE    8(C5 H11 N O2 SE)                                            
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   10  ASP A   15  5                                   6    
HELIX    2   2 SER A   16  GLU A   32  1                                  17    
HELIX    3   3 GLY A   44  LEU A   55  1                                  12    
HELIX    4   4 GLN A   72  GLY A   82  1                                  11    
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 PRO A  130  ASN A  139  1                                  10    
HELIX    8   8 ASN A  160  GLY A  173  1                                  14    
HELIX    9   9 THR A  197  GLN A  207  1                                  11    
HELIX   10  10 THR A  211  GLY A  229  1                                  19    
HELIX   11  11 HIS A  239  GLU A  241  5                                   3    
HELIX   12  12 GLN A  242  GLY A  249  1                                   8    
SHEET    1  AA 8 ALA A  99  LEU A 102  0                                        
SHEET    2  AA 8 LEU A 142  SER A 146  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  MSE A 196  1  N  MSE 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  MSE A 157   N  GLY A 149           
LINK         C   MSE A   1                 N   MSE A   2     1555   1555  1.33  
LINK         C   MSE A   2                 N   ASN A   3     1555   1555  1.33  
LINK         C   LEU A  51                 N   MSE A  52     1555   1555  1.33  
LINK         C   MSE A  52                 N   LYS A  53     1555   1555  1.33  
LINK         C   LEU A 156                 N   MSE A 157     1555   1555  1.33  
LINK         C   MSE A 157                 N   ASN A 158     1555   1555  1.33  
LINK         C   GLU A 195                 N   MSE A 196     1555   1555  1.33  
LINK         C   MSE A 196                 N   THR A 197     1555   1555  1.33  
LINK         C   GLY A 213                 N   MSE A 214     1555   1555  1.34  
LINK         C   MSE A 214                 N   ILE A 215     1555   1555  1.33  
LINK         C   GLY A 249                 N   MSE A 250     1555   1555  1.33  
LINK         C   MSE A 250                 N   PRO A 251     1555   1555  1.34  
LINK         C   PRO A 251                 N   MSE A 252     1555   1555  1.33  
LINK         C   MSE A 252                 N   GLY A 253     1555   1555  1.33  
LINK         O2A ANP A1260                MG    MG A1261     1555   1555  2.13  
LINK         O1B ANP A1260                MG    MG A1261     1555   1555  2.18  
LINK         O2G ANP A1260                MG    MG A1261     1555   1555  2.77  
LINK        MG    MG A1261                 O   HOH A2133     1555   1555  2.70  
LINK        MG    MG A1261                 O   HOH A2194     1555   1555  2.49  
SITE     1 AC1  4 ASP A 162  ANP A1260  HOH A2133  HOH A2194                    
SITE     1 AC2 13 GLY A  43  GLY A  44  GLY A  45  LEU A  65                    
SITE     2 AC2 13 ARG A  66  LEU A  80  ASN A 158  VAL A 159                    
SITE     3 AC2 13 ALA A 161  ANP A1260  HOH A2194  HOH A2195                    
SITE     4 AC2 13 HOH A2196                                                     
SITE     1 AC3 22 LYS A   8  GLY A  10  GLY A  11  GLY A  43                    
SITE     2 AC3 22 GLY A  44  GLY A  45  ALA A 161  ASP A 162                    
SITE     3 AC3 22 SER A 180  ASP A 181  LEU A 186  ILE A 209                    
SITE     4 AC3 22 ILE A 210  THR A 211  ASP A 212  MSE A 214                    
SITE     5 AC3 22 LYS A 217  NLG A1259   MG A1261  HOH A2035                    
SITE     6 AC3 22 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                         
HETATM    1  N   MSE A   1      25.409  40.897  39.022  1.00 34.98           N  
HETATM    2  CA  MSE A   1      24.056  40.609  39.574  1.00 33.50           C  
HETATM    3  C   MSE A   1      24.180  39.960  40.951  1.00 31.71           C  
HETATM    4  O   MSE A   1      25.236  40.025  41.580  1.00 32.20           O  
HETATM    5  CB  MSE A   1      23.281  39.700  38.605  1.00 35.90           C  
HETATM    6  CG  MSE A   1      23.985  38.390  38.245  1.00 36.79           C  
HETATM    7 SE  AMSE A   1      23.448  37.677  36.508  0.50 36.99          SE  
HETATM    8 SE  BMSE A   1      25.553  37.553  37.014  0.50 25.87          SE  
HETATM    9  CE AMSE A   1      21.601  37.281  36.900  0.50 37.41           C  
HETATM   10  CE BMSE A   1      26.854  38.189  37.799  0.50 20.22           C  
HETATM   11  N   MSE A   2      23.101  39.347  41.424  1.00 29.91           N  
HETATM   12  CA  MSE A   2      23.107  38.697  42.731  1.00 28.73           C  
HETATM   13  C   MSE A   2      24.027  37.484  42.752  1.00 26.22           C  
HETATM   14  O   MSE A   2      24.485  37.025  41.708  1.00 25.06           O  
HETATM   15  CB  MSE A   2      21.705  38.225  43.095  1.00 31.45           C  
HETATM   16  CG  MSE A   2      20.672  39.311  43.244  1.00 35.85           C  
HETATM   17 SE   MSE A   2      19.002  38.478  43.682  1.00 42.57          SE  
HETATM   18  CE  MSE A   2      19.361  38.044  45.532  1.00 40.74           C