HEADER    LIGASE                                  19-JUL-05   2AD5              
TITLE     MECHANISMS OF FEEDBACK REGULATION AND DRUG RESISTANCE OF CTP          
TITLE    2 SYNTHETASES: STRUCTURE OF THE E. COLI CTPS/CTP COMPLEX AT 2.8-       
TITLE    3 ANGSTROM RESOLUTION.                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CTP SYNTHASE;                                              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: UTP--AMMONIA LIGASE, CTP SYNTHETASE;                        
COMPND   5 EC: 6.3.4.2                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K12;                           
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K-12;                                                        
SOURCE   5 OTHER_DETAILS: SOLUBLE CYTOPLASMIC                                   
KEYWDS    ROSSMANN FOLD, P-LOOP ATPASE, INTERFACIAL ACTIVE SITE, LIGASE         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.A.ENDRIZZI,H.KIM,P.M.ANDERSON,E.P.BALDWIN                           
REVDAT   6   13-NOV-24 2AD5    1       REMARK                                   
REVDAT   5   23-AUG-23 2AD5    1       REMARK LINK                              
REVDAT   4   12-NOV-14 2AD5    1       KEYWDS                                   
REVDAT   3   13-JUL-11 2AD5    1       VERSN                                    
REVDAT   2   24-FEB-09 2AD5    1       VERSN                                    
REVDAT   1   01-NOV-05 2AD5    0                                                
JRNL        AUTH   J.A.ENDRIZZI,H.KIM,P.M.ANDERSON,E.P.BALDWIN                  
JRNL        TITL   MECHANISMS OF PRODUCT FEEDBACK REGULATION AND DRUG           
JRNL        TITL 2 RESISTANCE IN CYTIDINE TRIPHOSPHATE SYNTHETASES FROM THE     
JRNL        TITL 3 STRUCTURE OF A CTP-INHIBITED COMPLEX(,).                     
JRNL        REF    BIOCHEMISTRY                  V.  44 13491 2005              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   16216072                                                     
JRNL        DOI    10.1021/BI051282O                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.A.ENDRIZZI,H.KIM,P.M.ANDERSON,E.P.BALDWIN                  
REMARK   1  TITL   CRYSTAL STRUCTURE OF ESCHERICHIA COLI CYTIDINE TRIPHOSPHATE  
REMARK   1  TITL 2 SYNTHETASE, A NUCLEOTIDE-REGULATED GLUTAMINE                 
REMARK   1  TITL 3 AMIDOTRANSFERASE/ATP-DEPENDENT AMIDOLIGASE FUSION PROTEIN    
REMARK   1  TITL 4 AND HOMOLOGUE OF ANTICANCER AND ANTIPARASITIC DRUG TARGETS.  
REMARK   1  REF    BIOCHEMISTRY                  V.  43  6447 2004              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT 5F                                               
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : -3.000                         
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 55713                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.202                           
REMARK   3   R VALUE            (WORKING SET) : 0.202                           
REMARK   3   FREE R VALUE                     : 0.277                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1932                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 55713                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 8328                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 114                                     
REMARK   3   SOLVENT ATOMS            : 252                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : 45.000                          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.007 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 1.930 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : NULL  ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : NULL  ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : NULL  ; NULL  ; NULL            
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : ENGH & HUBER                                     
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : ISOTROPIC                    
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2AD5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUL-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033756.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-JUN-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL7-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.975                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 55879                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.400                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY                : 3.300                              
REMARK 200  R MERGE                    (I) : 0.08400                            
REMARK 200  R SYM                      (I) : 0.08400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.95                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.31000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: TNT V. 5-F                                            
REMARK 200 STARTING MODEL: PDB ENTYRY 1S1M                                      
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 73.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS-CL, AMMONIUM SULFATE, PH 8.5,       
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   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        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       81.63500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       53.19000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       81.63500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       53.19000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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 300 REMARK: THE TETRAMERIC BIOLOGICAL ASSEMBLY IS GENERATED FROM THE     
REMARK 300 ASYMMETRIC UNIT DIMER BY THE CRYSTALLOGRAPHIC TWO-FOLD AXIS: -X, -Y, 
REMARK 300 Z                                                                    
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 16830 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 74760 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -123.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     VAL A   428                                                      
REMARK 465     ARG A   429                                                      
REMARK 465     SER A   430                                                      
REMARK 465     GLU A   431                                                      
REMARK 465     LYS A   432                                                      
REMARK 465     SER A   433                                                      
REMARK 465     ASP A   434                                                      
REMARK 465     LEU A   435                                                      
REMARK 465     GLY A   436                                                      
REMARK 465     GLY A   437                                                      
REMARK 465     LYS A   545                                                      
REMARK 465     ARG B   429                                                      
REMARK 465     SER B   430                                                      
REMARK 465     GLU B   431                                                      
REMARK 465     LYS B   432                                                      
REMARK 465     SER B   433                                                      
REMARK 465     ASP B   434                                                      
REMARK 465     LEU B   435                                                      
REMARK 465     GLY B   436                                                      
REMARK 465     GLY B   437                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A 342    CB   CG   CD   CE   NZ                              
REMARK 470     LYS B 342    CB   CG   CD   CE   NZ                              
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A  479   CG   CD   CE   NZ                                   
REMARK 480     ARG A  487   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     ASP A  494   CG   OD1  OD2                                       
REMARK 480     GLN A  496   CD   OE1  NE2                                       
REMARK 480     LYS B  479   CB   CG   CD   CE   NZ                              
REMARK 480     ARG B  487   CG   CD   NE   CZ   NH1  NH2                        
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   O    HOH A   767     O    HOH A   813              1.96            
REMARK 500   N    THR B   188     O3G  CTP A   602              2.15            
REMARK 500   N    ASN B   505     O    HOH B  1823              2.15            
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   O    HOH B  1724     O    HOH B  1724     2555     0.81            
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    GLU A 129   CD    GLU A 129   OE2     0.074                       
REMARK 500    GLU A 132   CD    GLU A 132   OE2     0.067                       
REMARK 500    GLU A 300   CD    GLU A 300   OE2     0.071                       
REMARK 500    GLU A 370   CD    GLU A 370   OE2     0.066                       
REMARK 500    GLU A 397   CD    GLU A 397   OE2     0.072                       
REMARK 500    GLU A 499   CD    GLU A 499   OE2     0.073                       
REMARK 500    GLU B 125   CD    GLU B 125   OE1     0.067                       
REMARK 500    GLU B 185   CD    GLU B 185   OE2     0.068                       
REMARK 500    GLU B 300   CD    GLU B 300   OE2     0.067                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A  65   CB  -  CG  -  OD2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ASP A  70   CB  -  CG  -  OD2 ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    ASP A  72   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP A  98   CB  -  CG  -  OD2 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    ASP A 213   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ASP A 242   CB  -  CG  -  OD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ASP A 257   CB  -  CG  -  OD2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ASP A 258   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    PRO A 302   C   -  N   -  CD  ANGL. DEV. = -32.9 DEGREES          
REMARK 500    ASP A 329   CB  -  CG  -  OD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ASP A 407   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    ASP A 450   CB  -  CG  -  OD2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500    ASP A 451   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP A 451   CB  -  CG  -  OD2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    ASP A 494   CB  -  CG  -  OD2 ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    ASP A 495   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A 495   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ASP B  48   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ASP B  65   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    ASP B  70   CB  -  CG  -  OD2 ANGL. DEV. =  -5.9 DEGREES          
REMARK 500    ASP B  98   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP B  98   CB  -  CG  -  OD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    ASP B 107   CB  -  CG  -  OD1 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500    ASP B 135   CB  -  CG  -  OD2 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    ASP B 213   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ASP B 240   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    ASP B 257   CB  -  CG  -  OD2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    ASP B 303   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP B 303   CB  -  CG  -  OD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    ASP B 345   CB  -  CG  -  OD2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    CYS B 379   CB  -  CA  -  C   ANGL. DEV. =   9.6 DEGREES          
REMARK 500    CYS B 379   N   -  CA  -  CB  ANGL. DEV. =   9.4 DEGREES          
REMARK 500    CYS B 379   CA  -  CB  -  SG  ANGL. DEV. =   8.5 DEGREES          
REMARK 500    ASP B 388   CB  -  CG  -  OD1 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    ASP B 388   CB  -  CG  -  OD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ASP B 407   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
REMARK 500    ASP B 407   CB  -  CG  -  OD2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    ASP B 450   CB  -  CG  -  OD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ASP B 494   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ASP B 494   CB  -  CG  -  OD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    ASP B 495   CB  -  CG  -  OD2 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    PRO B 516   C   -  N   -  CD  ANGL. DEV. = -15.8 DEGREES          
REMARK 500    ASP B 524   CB  -  CG  -  OD2 ANGL. DEV. =  -5.9 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    VAL A  12      -59.36     71.04                                   
REMARK 500    SER A  15       21.68     85.30                                   
REMARK 500    PRO A  43       13.86    -69.77                                   
REMARK 500    GLN A  56      -65.93    -94.44                                   
REMARK 500    ASP A  65        5.99    -62.52                                   
REMARK 500    ARG A 105       43.46    -99.01                                   
REMARK 500    GLU A 132      108.02    -58.95                                   
REMARK 500    HIS A 168       20.00   -141.86                                   
REMARK 500    PRO A 205      150.64    -45.25                                   
REMARK 500    LYS A 223      -84.42    -54.74                                   
REMARK 500    ILE A 224      -61.96    -24.00                                   
REMARK 500    SER A 243      119.03   -163.99                                   
REMARK 500    LYS A 297      -80.51    -99.51                                   
REMARK 500    TYR A 298       21.90    -55.82                                   
REMARK 500    ILE A 299       -3.79    -51.86                                   
REMARK 500    LEU A 301       59.64   -152.06                                   
REMARK 500    PRO A 302      -43.97    -16.43                                   
REMARK 500    LYS A 306      -80.67    -31.97                                   
REMARK 500    THR A 335      -92.06    -58.17                                   
REMARK 500    VAL A 338        1.46    -58.79                                   
REMARK 500    ALA A 346      155.06    176.73                                   
REMARK 500    ARG A 356      -94.82      3.55                                   
REMARK 500    PRO A 374      130.97    -37.09                                   
REMARK 500    CYS A 379     -120.41     56.40                                   
REMARK 500    ARG A 391      -94.30    -56.77                                   
REMARK 500    HIS A 392      -14.05    -37.93                                   
REMARK 500    VAL A 393      -61.36   -128.84                                   
REMARK 500    ALA A 394        1.83    -69.74                                   
REMARK 500    GLU A 397      129.13    -24.80                                   
REMARK 500    ALA A 399      155.94    -47.97                                   
REMARK 500    ASN A 400     -170.19   -175.93                                   
REMARK 500    THR A 402        0.34    -63.68                                   
REMARK 500    VAL A 405       87.00   -151.94                                   
REMARK 500    CYS A 408      -60.86    -14.38                                   
REMARK 500    LYS A 409      -31.69     89.07                                   
REMARK 500    ALA A 460      147.49    177.23                                   
REMARK 500    ARG A 468       69.14   -159.06                                   
REMARK 500    ARG A 470      -55.47   -121.85                                   
REMARK 500    LEU A 478      -78.45    -51.33                                   
REMARK 500    LYS A 479      -39.19    -33.66                                   
REMARK 500    GLN A 480      -70.99    -56.40                                   
REMARK 500    ALA A 484       -8.21    -56.27                                   
REMARK 500    SER A 492     -114.76    -75.08                                   
REMARK 500    GLN A 496       79.19     14.77                                   
REMARK 500    PRO A 504      -95.82    -22.42                                   
REMARK 500    ASN A 505       53.26   -115.70                                   
REMARK 500    TRP A 508       95.43   -163.58                                   
REMARK 500    ALA A 536      -51.48    -29.13                                   
REMARK 500    GLN A 543       72.89    -59.71                                   
REMARK 500    VAL B  12      -65.57     71.75                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      81 RAMACHANDRAN OUTLIERS.                        
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 701  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  72   OD2                                                    
REMARK 620 2 GLU A 140   OE2 110.2                                              
REMARK 620 3 ADP A 601   O1B 125.9 122.2                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B1701  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B  72   OD2                                                    
REMARK 620 2 GLU B 140   OE2 110.0                                              
REMARK 620 3 ADP B1601   O1B 125.3 124.1                                        
REMARK 620 N                    1     2                                         
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 701                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 1701                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADP A 601                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADP B 1601                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CTP A 602                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CTP B 1602                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1S1M   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF E. COLI CTP SYNTHETASE AT 2.3-ANGSTROM          
REMARK 900 RESOLUTION                                                           
REMARK 900 RELATED ID: 1VCM   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF T. THERMOPHILUS CTP SYNTHETASE COMPLEX WITH     
REMARK 900 SULFATE ANION                                                        
DBREF  2AD5 A    1   545  UNP    P0A7E5   PYRG_ECOLI       0    544             
DBREF  2AD5 B    1   545  UNP    P0A7E5   PYRG_ECOLI       0    544             
SEQRES   1 A  545  MET THR THR ASN TYR ILE PHE VAL THR GLY GLY VAL VAL          
SEQRES   2 A  545  SER SER LEU GLY LYS GLY ILE ALA ALA ALA SER LEU ALA          
SEQRES   3 A  545  ALA ILE LEU GLU ALA ARG GLY LEU ASN VAL THR ILE MET          
SEQRES   4 A  545  LYS LEU ASP PRO TYR ILE ASN VAL ASP PRO GLY THR MET          
SEQRES   5 A  545  SER PRO ILE GLN HIS GLY GLU VAL PHE VAL THR GLU ASP          
SEQRES   6 A  545  GLY ALA GLU THR ASP LEU ASP LEU GLY HIS TYR GLU ARG          
SEQRES   7 A  545  PHE ILE ARG THR LYS MET SER ARG ARG ASN ASN PHE THR          
SEQRES   8 A  545  THR GLY ARG ILE TYR SER ASP VAL LEU ARG LYS GLU ARG          
SEQRES   9 A  545  ARG GLY ASP TYR LEU GLY ALA THR VAL GLN VAL ILE PRO          
SEQRES  10 A  545  HIS ILE THR ASN ALA ILE LYS GLU ARG VAL LEU GLU GLY          
SEQRES  11 A  545  GLY GLU GLY HIS ASP VAL VAL LEU VAL GLU ILE GLY GLY          
SEQRES  12 A  545  THR VAL GLY ASP ILE GLU SER LEU PRO PHE LEU GLU ALA          
SEQRES  13 A  545  ILE ARG GLN MET ALA VAL GLU ILE GLY ARG GLU HIS THR          
SEQRES  14 A  545  LEU PHE MET HIS LEU THR LEU VAL PRO TYR MET ALA ALA          
SEQRES  15 A  545  SER GLY GLU VAL LYS THR LYS PRO THR GLN HIS SER VAL          
SEQRES  16 A  545  LYS GLU LEU LEU SER ILE GLY ILE GLN PRO ASP ILE LEU          
SEQRES  17 A  545  ILE CYS ARG SER ASP ARG ALA VAL PRO ALA ASN GLU ARG          
SEQRES  18 A  545  ALA LYS ILE ALA LEU PHE CYS ASN VAL PRO GLU LYS ALA          
SEQRES  19 A  545  VAL ILE SER LEU LYS ASP VAL ASP SER ILE TYR LYS ILE          
SEQRES  20 A  545  PRO GLY LEU LEU LYS SER GLN GLY LEU ASP ASP TYR ILE          
SEQRES  21 A  545  CYS LYS ARG PHE SER LEU ASN CYS PRO GLU ALA ASN LEU          
SEQRES  22 A  545  SER GLU TRP GLU GLN VAL ILE PHE GLU GLU ALA ASN PRO          
SEQRES  23 A  545  VAL SER GLU VAL THR ILE GLY MET VAL GLY LYS TYR ILE          
SEQRES  24 A  545  GLU LEU PRO ASP ALA TYR LYS SER VAL ILE GLU ALA LEU          
SEQRES  25 A  545  LYS HIS GLY GLY LEU LYS ASN ARG VAL SER VAL ASN ILE          
SEQRES  26 A  545  LYS LEU ILE ASP SER GLN ASP VAL GLU THR ARG GLY VAL          
SEQRES  27 A  545  GLU ILE LEU LYS GLY LEU ASP ALA ILE LEU VAL PRO GLY          
SEQRES  28 A  545  GLY PHE GLY TYR ARG GLY VAL GLU GLY MET ILE THR THR          
SEQRES  29 A  545  ALA ARG PHE ALA ARG GLU ASN ASN ILE PRO TYR LEU GLY          
SEQRES  30 A  545  ILE CYS LEU GLY MET GLN VAL ALA LEU ILE ASP TYR ALA          
SEQRES  31 A  545  ARG HIS VAL ALA ASN MET GLU ASN ALA ASN SER THR GLU          
SEQRES  32 A  545  PHE VAL PRO ASP CYS LYS TYR PRO VAL VAL ALA LEU ILE          
SEQRES  33 A  545  THR GLU TRP ARG ASP GLU ASN GLY ASN VAL GLU VAL ARG          
SEQRES  34 A  545  SER GLU LYS SER ASP LEU GLY GLY THR MET ARG LEU GLY          
SEQRES  35 A  545  ALA GLN GLN CYS GLN LEU VAL ASP ASP SER LEU VAL ARG          
SEQRES  36 A  545  GLN LEU TYR ASN ALA PRO THR ILE VAL GLU ARG HIS ARG          
SEQRES  37 A  545  HIS ARG TYR GLU VAL ASN ASN MET LEU LEU LYS GLN ILE          
SEQRES  38 A  545  GLU ASP ALA GLY LEU ARG VAL ALA GLY ARG SER GLY ASP          
SEQRES  39 A  545  ASP GLN LEU VAL GLU ILE ILE GLU VAL PRO ASN HIS PRO          
SEQRES  40 A  545  TRP PHE VAL ALA CYS GLN PHE HIS PRO GLU PHE THR SER          
SEQRES  41 A  545  THR PRO ARG ASP GLY HIS PRO LEU PHE ALA GLY PHE VAL          
SEQRES  42 A  545  LYS ALA ALA SER GLU PHE GLN LYS ARG GLN ALA LYS              
SEQRES   1 B  545  MET THR THR ASN TYR ILE PHE VAL THR GLY GLY VAL VAL          
SEQRES   2 B  545  SER SER LEU GLY LYS GLY ILE ALA ALA ALA SER LEU ALA          
SEQRES   3 B  545  ALA ILE LEU GLU ALA ARG GLY LEU ASN VAL THR ILE MET          
SEQRES   4 B  545  LYS LEU ASP PRO TYR ILE ASN VAL ASP PRO GLY THR MET          
SEQRES   5 B  545  SER PRO ILE GLN HIS GLY GLU VAL PHE VAL THR GLU ASP          
SEQRES   6 B  545  GLY ALA GLU THR ASP LEU ASP LEU GLY HIS TYR GLU ARG          
SEQRES   7 B  545  PHE ILE ARG THR LYS MET SER ARG ARG ASN ASN PHE THR          
SEQRES   8 B  545  THR GLY ARG ILE TYR SER ASP VAL LEU ARG LYS GLU ARG          
SEQRES   9 B  545  ARG GLY ASP TYR LEU GLY ALA THR VAL GLN VAL ILE PRO          
SEQRES  10 B  545  HIS ILE THR ASN ALA ILE LYS GLU ARG VAL LEU GLU GLY          
SEQRES  11 B  545  GLY GLU GLY HIS ASP VAL VAL LEU VAL GLU ILE GLY GLY          
SEQRES  12 B  545  THR VAL GLY ASP ILE GLU SER LEU PRO PHE LEU GLU ALA          
SEQRES  13 B  545  ILE ARG GLN MET ALA VAL GLU ILE GLY ARG GLU HIS THR          
SEQRES  14 B  545  LEU PHE MET HIS LEU THR LEU VAL PRO TYR MET ALA ALA          
SEQRES  15 B  545  SER GLY GLU VAL LYS THR LYS PRO THR GLN HIS SER VAL          
SEQRES  16 B  545  LYS GLU LEU LEU SER ILE GLY ILE GLN PRO ASP ILE LEU          
SEQRES  17 B  545  ILE CYS ARG SER ASP ARG ALA VAL PRO ALA ASN GLU ARG          
SEQRES  18 B  545  ALA LYS ILE ALA LEU PHE CYS ASN VAL PRO GLU LYS ALA          
SEQRES  19 B  545  VAL ILE SER LEU LYS ASP VAL ASP SER ILE TYR LYS ILE          
SEQRES  20 B  545  PRO GLY LEU LEU LYS SER GLN GLY LEU ASP ASP TYR ILE          
SEQRES  21 B  545  CYS LYS ARG PHE SER LEU ASN CYS PRO GLU ALA ASN LEU          
SEQRES  22 B  545  SER GLU TRP GLU GLN VAL ILE PHE GLU GLU ALA ASN PRO          
SEQRES  23 B  545  VAL SER GLU VAL THR ILE GLY MET VAL GLY LYS TYR ILE          
SEQRES  24 B  545  GLU LEU PRO ASP ALA TYR LYS SER VAL ILE GLU ALA LEU          
SEQRES  25 B  545  LYS HIS GLY GLY LEU LYS ASN ARG VAL SER VAL ASN ILE          
SEQRES  26 B  545  LYS LEU ILE ASP SER GLN ASP VAL GLU THR ARG GLY VAL          
SEQRES  27 B  545  GLU ILE LEU LYS GLY LEU ASP ALA ILE LEU VAL PRO GLY          
SEQRES  28 B  545  GLY PHE GLY TYR ARG GLY VAL GLU GLY MET ILE THR THR          
SEQRES  29 B  545  ALA ARG PHE ALA ARG GLU ASN ASN ILE PRO TYR LEU GLY          
SEQRES  30 B  545  ILE CYS LEU GLY MET GLN VAL ALA LEU ILE ASP TYR ALA          
SEQRES  31 B  545  ARG HIS VAL ALA ASN MET GLU ASN ALA ASN SER THR GLU          
SEQRES  32 B  545  PHE VAL PRO ASP CYS LYS TYR PRO VAL VAL ALA LEU ILE          
SEQRES  33 B  545  THR GLU TRP ARG ASP GLU ASN GLY ASN VAL GLU VAL ARG          
SEQRES  34 B  545  SER GLU LYS SER ASP LEU GLY GLY THR MET ARG LEU GLY          
SEQRES  35 B  545  ALA GLN GLN CYS GLN LEU VAL ASP ASP SER LEU VAL ARG          
SEQRES  36 B  545  GLN LEU TYR ASN ALA PRO THR ILE VAL GLU ARG HIS ARG          
SEQRES  37 B  545  HIS ARG TYR GLU VAL ASN ASN MET LEU LEU LYS GLN ILE          
SEQRES  38 B  545  GLU ASP ALA GLY LEU ARG VAL ALA GLY ARG SER GLY ASP          
SEQRES  39 B  545  ASP GLN LEU VAL GLU ILE ILE GLU VAL PRO ASN HIS PRO          
SEQRES  40 B  545  TRP PHE VAL ALA CYS GLN PHE HIS PRO GLU PHE THR SER          
SEQRES  41 B  545  THR PRO ARG ASP GLY HIS PRO LEU PHE ALA GLY PHE VAL          
SEQRES  42 B  545  LYS ALA ALA SER GLU PHE GLN LYS ARG GLN ALA LYS              
HET     MG  A 701       1                                                       
HET    ADP  A 601      27                                                       
HET    CTP  A 602      29                                                       
HET     MG  B1701       1                                                       
HET    ADP  B1601      27                                                       
HET    CTP  B1602      29                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     ADP ADENOSINE-5'-DIPHOSPHATE                                         
HETNAM     CTP CYTIDINE-5'-TRIPHOSPHATE                                         
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   4  ADP    2(C10 H15 N5 O10 P2)                                         
FORMUL   5  CTP    2(C9 H16 N3 O14 P3)                                          
FORMUL   9  HOH   *252(H2 O)                                                    
HELIX    1   1 GLY A   17  ALA A   31  1                                  15    
HELIX    2   2 SER A   53  GLY A   58  1                                   6    
HELIX    3   3 LEU A   71  ARG A   78  1                                   8    
HELIX    4   4 SER A   85  ARG A   87  5                                   3    
HELIX    5   5 THR A   92  ARG A  105  1                                  14    
HELIX    6   6 PRO A  117  GLY A  131  1                                  15    
HELIX    7   7 ASP A  147  GLU A  149  5                                   3    
HELIX    8   8 SER A  150  GLY A  165  1                                  16    
HELIX    9   9 THR A  188  SER A  200  1                                  13    
HELIX   10  10 PRO A  217  ASN A  229  1                                  13    
HELIX   11  11 PRO A  231  LYS A  233  5                                   3    
HELIX   12  12 SER A  243  TYR A  245  5                                   3    
HELIX   13  13 LYS A  246  GLN A  254  1                                   9    
HELIX   14  14 GLY A  255  PHE A  264  1                                  10    
HELIX   15  15 LEU A  273  ASN A  285  1                                  13    
HELIX   16  16 LEU A  301  ALA A  304  5                                   4    
HELIX   17  17 TYR A  305  ARG A  320  1                                  16    
HELIX   18  18 SER A  330  GLY A  337  1                                   8    
HELIX   19  19 GLY A  357  ASN A  371  1                                  15    
HELIX   20  20 CYS A  379  VAL A  393  1                                  15    
HELIX   21  21 SER A  452  ASN A  459  1                                   8    
HELIX   22  22 ASN A  474  LEU A  486  1                                  13    
HELIX   23  23 HIS A  515  THR A  519  5                                   5    
HELIX   24  24 HIS A  526  GLN A  543  1                                  18    
HELIX   25  25 GLY B   17  ALA B   31  1                                  15    
HELIX   26  26 SER B   53  GLY B   58  1                                   6    
HELIX   27  27 LEU B   71  ARG B   78  1                                   8    
HELIX   28  28 SER B   85  ARG B   87  5                                   3    
HELIX   29  29 THR B   92  ARG B  105  1                                  14    
HELIX   30  30 PRO B  117  GLU B  132  1                                  16    
HELIX   31  31 SER B  150  GLY B  165  1                                  16    
HELIX   32  32 THR B  188  SER B  200  1                                  13    
HELIX   33  33 PRO B  217  ASN B  229  1                                  13    
HELIX   34  34 PRO B  231  LYS B  233  5                                   3    
HELIX   35  35 SER B  243  TYR B  245  5                                   3    
HELIX   36  36 LYS B  246  GLN B  254  1                                   9    
HELIX   37  37 GLY B  255  SER B  265  1                                  11    
HELIX   38  38 LEU B  273  ASN B  285  1                                  13    
HELIX   39  39 LEU B  301  ALA B  304  5                                   4    
HELIX   40  40 TYR B  305  ASN B  319  1                                  15    
HELIX   41  41 SER B  330  GLY B  337  1                                   8    
HELIX   42  42 VAL B  338  LYS B  342  5                                   5    
HELIX   43  43 GLY B  357  ASN B  371  1                                  15    
HELIX   44  44 CYS B  379  VAL B  393  1                                  15    
HELIX   45  45 SER B  452  ASN B  459  1                                   8    
HELIX   46  46 LEU B  477  GLY B  485  1                                   9    
HELIX   47  47 HIS B  515  SER B  520  5                                   6    
HELIX   48  48 HIS B  526  GLN B  543  1                                  18    
SHEET    1   A 7 ASN A  89  THR A  91  0                                        
SHEET    2   A 7 VAL A  36  ASP A  42  1  N  ASP A  42   O  PHE A  90           
SHEET    3   A 7 VAL A 136  ILE A 141  1  O  LEU A 138   N  MET A  39           
SHEET    4   A 7 ASN A   4  GLY A  10  1  N  VAL A   8   O  VAL A 139           
SHEET    5   A 7 THR A 169  LEU A 176  1  O  LEU A 174   N  THR A   9           
SHEET    6   A 7 ILE A 207  SER A 212  1  O  ARG A 211   N  THR A 175           
SHEET    7   A 7 VAL A 235  LYS A 239  1  O  ILE A 236   N  CYS A 210           
SHEET    1   B 2 VAL A  60  VAL A  62  0                                        
SHEET    2   B 2 GLU A  68  ASP A  70 -1  O  THR A  69   N  PHE A  61           
SHEET    1   C 2 TYR A 179  MET A 180  0                                        
SHEET    2   C 2 GLU A 185  VAL A 186 -1  O  GLU A 185   N  MET A 180           
SHEET    1   D 9 VAL A 321  ASP A 329  0                                        
SHEET    2   D 9 SER A 288  GLY A 296  1  N  SER A 288   O  SER A 322           
SHEET    3   D 9 ALA A 346  VAL A 349  1  O  LEU A 348   N  GLY A 293           
SHEET    4   D 9 TYR A 375  ILE A 378  1  O  LEU A 376   N  ILE A 347           
SHEET    5   D 9 PHE A 509  CYS A 512  1  O  VAL A 510   N  TYR A 375           
SHEET    6   D 9 VAL A 498  GLU A 502 -1  N  ILE A 501   O  ALA A 511           
SHEET    7   D 9 ARG A 487  ARG A 491 -1  N  GLY A 490   O  GLU A 499           
SHEET    8   D 9 ARG A 440  LEU A 448 -1  N  GLN A 447   O  ARG A 491           
SHEET    9   D 9 THR A 462  HIS A 469 -1  O  HIS A 469   N  ARG A 440           
SHEET    1   E 2 VAL A 413  ALA A 414  0                                        
SHEET    2   E 2 GLU A 472  VAL A 473 -1  O  GLU A 472   N  ALA A 414           
SHEET    1   F 7 ASN B  89  THR B  91  0                                        
SHEET    2   F 7 VAL B  36  ASP B  42  1  N  ASP B  42   O  PHE B  90           
SHEET    3   F 7 VAL B 136  THR B 144  1  O  GLU B 140   N  MET B  39           
SHEET    4   F 7 ASN B   4  GLY B  10  1  N  ILE B   6   O  VAL B 137           
SHEET    5   F 7 THR B 169  LEU B 176  1  O  LEU B 174   N  THR B   9           
SHEET    6   F 7 ILE B 207  SER B 212  1  O  ILE B 207   N  HIS B 173           
SHEET    7   F 7 VAL B 235  LYS B 239  1  O  ILE B 236   N  CYS B 210           
SHEET    1   G 2 PHE B  61  VAL B  62  0                                        
SHEET    2   G 2 GLU B  68  THR B  69 -1  O  THR B  69   N  PHE B  61           
SHEET    1   H 2 TYR B 179  MET B 180  0                                        
SHEET    2   H 2 GLU B 185  VAL B 186 -1  O  GLU B 185   N  MET B 180           
SHEET    1   I 9 VAL B 321  ASP B 329  0                                        
SHEET    2   I 9 SER B 288  GLY B 296  1  N  VAL B 290   O  SER B 322           
SHEET    3   I 9 ALA B 346  VAL B 349  1  O  LEU B 348   N  GLY B 293           
SHEET    4   I 9 TYR B 375  ILE B 378  1  O  ILE B 378   N  VAL B 349           
SHEET    5   I 9 PHE B 509  CYS B 512  1  O  CYS B 512   N  GLY B 377           
SHEET    6   I 9 LEU B 497  GLU B 502 -1  N  ILE B 501   O  ALA B 511           
SHEET    7   I 9 ARG B 487  SER B 492 -1  N  ARG B 487   O  GLU B 502           
SHEET    8   I 9 ARG B 440  LEU B 448 -1  N  GLN B 447   O  ARG B 491           
SHEET    9   I 9 THR B 462  HIS B 469 -1  O  HIS B 469   N  ARG B 440           
SHEET    1   J 2 VAL B 413  ALA B 414  0                                        
SHEET    2   J 2 GLU B 472  VAL B 473 -1  O  GLU B 472   N  ALA B 414           
SSBOND   1 CYS A  261    CYS A  268                          1555   1555  2.05  
SSBOND   2 CYS B  261    CYS B  268                          1555   1555  2.04  
LINK         OD2 ASP A  72                MG    MG A 701     1555   1555  2.27  
LINK         OE2 GLU A 140                MG    MG A 701     1555   1555  2.06  
LINK         O1B ADP A 601                MG    MG A 701     1555   1555  2.08  
LINK         OD2 ASP B  72                MG    MG B1701     1555   1555  2.17  
LINK         OE2 GLU B 140                MG    MG B1701     1555   1555  1.91  
LINK         O1B ADP B1601                MG    MG B1701     1555   1555  2.04  
CISPEP   1 ILE A  116    PRO A  117          0         3.86                     
CISPEP   2 ILE B  116    PRO B  117          0         6.33                     
SITE     1 AC1  5 GLY A  19  LYS A  40  ASP A  72  GLU A 140                    
SITE     2 AC1  5 ADP A 601                                                     
SITE     1 AC2  4 GLY B  19  ASP B  72  GLU B 140  ADP B1601                    
SITE     1 AC3 14 SER A  15  LEU A  16  GLY A  17  LYS A  18                    
SITE     2 AC3 14 GLY A  19  ILE A  20  ASP A  72  GLU A 140                    
SITE     3 AC3 14 ARG A 211  LYS A 239  VAL A 241   MG A 701                    
SITE     4 AC3 14 HOH A 722  ALA B 182                                          
SITE     1 AC4 18 ALA A 182  SER B  15  LEU B  16  GLY B  17                    
SITE     2 AC4 18 LYS B  18  GLY B  19  ILE B  20  ASP B  72                    
SITE     3 AC4 18 GLU B 140  LEU B 238  LYS B 239  ASP B 240                    
SITE     4 AC4 18 VAL B 241  ILE B 247   MG B1701  HOH B1761                    
SITE     5 AC4 18 HOH B1801  HOH B1821                                          
SITE     1 AC5 16 SER A  14  GLN A 114  VAL A 115  ILE A 116                    
SITE     2 AC5 16 ASP A 147  ILE A 148  GLU A 149  HOH A 711                    
SITE     3 AC5 16 HOH A 745  HOH A 783  HOH A 788  LYS B 187                    
SITE     4 AC5 16 THR B 188  LYS B 189  GLN B 192  LYS B 223                    
SITE     1 AC6 16 VAL A 186  LYS A 187  THR A 188  LYS A 189                    
SITE     2 AC6 16 GLN A 192  LYS A 223  SER B  14  GLN B 114                    
SITE     3 AC6 16 VAL B 115  ILE B 116  ASP B 147  ILE B 148                    
SITE     4 AC6 16 GLU B 149  HOH B1752  HOH B1754  HOH B1759                    
CRYST1  163.270  106.380  130.470  90.00  90.00  90.00 P 21 21 2     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      0.006125  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009400  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007665        0.00000