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Database: PDB
Entry: 3DCJ
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Original site: 3DCJ 
HEADER    TRANSFERASE                             03-JUN-08   3DCJ              
TITLE     CRYSTAL STRUCTURE OF GLYCINAMIDE FORMYLTRANSFERASE (PURN) FROM        
TITLE    2 MYCOBACTERIUM TUBERCULOSIS IN COMPLEX WITH 5-METHYL-5,6,7,8-         
TITLE    3 TETRAHYDROFOLIC ACID DERIVATIVE                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROBABLE 5'-PHOSPHORIBOSYLGLYCINAMIDE FORMYLTRANSFERASE    
COMPND   3 PURN;                                                                
COMPND   4 CHAIN: A, B;                                                         
COMPND   5 SYNONYM: GART, GAR TRANSFORMYLASE, 5'-PHOSPHORIBOSYLGLYCINAMIDE      
COMPND   6 TRANSFORMYLASE, PHOSPHORIBOSYLGLYCINAMIDE FORMYLTRANSFERASE;         
COMPND   7 EC: 2.1.2.2;                                                         
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS;                     
SOURCE   3 ORGANISM_TAXID: 1773;                                                
SOURCE   4 GENE: PURN, MT0983, RV0956;                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PDEST17                                   
KEYWDS    GLYCINAMIDE FORMYLTRANSFERASE, PURN, TRANSFERASE                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Z.ZHANG,C.J.SQUIRE,E.N.BAKER                                          
REVDAT   5   30-AUG-23 3DCJ    1       REMARK SEQADV LINK                       
REVDAT   4   24-JUL-19 3DCJ    1       REMARK                                   
REVDAT   3   04-AUG-09 3DCJ    1       REMARK                                   
REVDAT   2   16-JUN-09 3DCJ    1       JRNL                                     
REVDAT   1   12-MAY-09 3DCJ    0                                                
JRNL        AUTH   Z.ZHANG,T.T.CARADOC-DAVIES,J.M.DICKSON,E.N.BAKER,C.J.SQUIRE  
JRNL        TITL   STRUCTURES OF GLYCINAMIDE RIBONUCLEOTIDE TRANSFORMYLASE      
JRNL        TITL 2 (PURN) FROM MYCOBACTERIUM TUBERCULOSIS REVEAL A NOVEL DIMER  
JRNL        TITL 3 WITH RELEVANCE TO DRUG DISCOVERY.                            
JRNL        REF    J.MOL.BIOL.                   V. 389   722 2009              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   19394344                                                     
JRNL        DOI    10.1016/J.JMB.2009.04.044                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.4.0078                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 32.58                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 22471                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.187                           
REMARK   3   R VALUE            (WORKING SET) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.243                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1138                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.26                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1339                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 82.70                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2520                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 62                           
REMARK   3   BIN FREE R VALUE                    : 0.3090                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3004                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 64                                      
REMARK   3   SOLVENT ATOMS            : 286                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.59                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 19.89                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.03000                                             
REMARK   3    B22 (A**2) : 0.03000                                              
REMARK   3    B33 (A**2) : -0.02000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.04000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.272         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.218         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.141         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.596         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.943                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.911                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3142 ; 0.022 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4316 ; 1.859 ; 1.990       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   413 ; 6.405 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   113 ;27.821 ;21.858       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   436 ;15.470 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    30 ;20.327 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   527 ; 0.118 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2393 ; 0.009 ; 0.022       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2068 ; 0.934 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3329 ; 1.639 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1074 ; 2.955 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   985 ; 4.712 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS. U VALUES HAVE BEEN REFINED INDIVIDUALLY.                 
REMARK   4                                                                      
REMARK   4 3DCJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-JUN-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000047867.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-MAR-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU300                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54178                            
REMARK 200  MONOCHROMATOR                  : OSMIC MIRROR FOCUSING OPTICS       
REMARK 200  OPTICS                         : NULL                               
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   : 22471                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 32.580                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.34                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1MEO                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, 0.2 M MG NITRATE, PH       
REMARK 280  7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       30.83000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1850 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17940 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.4 KCAL/MOL                        
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 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000       47.98874            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000       30.83000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       59.87236            
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     1                                                      
REMARK 465     GLN A     2                                                      
REMARK 465     GLY A   209                                                      
REMARK 465     ARG A   210                                                      
REMARK 465     LYS A   211                                                      
REMARK 465     VAL A   212                                                      
REMARK 465     THR A   213                                                      
REMARK 465     ILE A   214                                                      
REMARK 465     GLY A   215                                                      
REMARK 465     VAL B     1                                                      
REMARK 465     GLN B     2                                                      
REMARK 465     GLU B     3                                                      
REMARK 465     GLY B   209                                                      
REMARK 465     ARG B   210                                                      
REMARK 465     LYS B   211                                                      
REMARK 465     VAL B   212                                                      
REMARK 465     THR B   213                                                      
REMARK 465     ILE B   214                                                      
REMARK 465     GLY B   215                                                      
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     GLU A   3    CB   CG   CD   OE1  OE2                             
REMARK 470     GLU A 177    CG   CD   OE1  OE2                                  
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   518     O    HOH A   537              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A  40   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    LEU A 115   CA  -  CB  -  CG  ANGL. DEV. =  17.4 DEGREES          
REMARK 500    ARG B 178   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    ARG B 184   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG B 184   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 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    PRO A  38       39.35    -87.55                                   
REMARK 500    PRO A 119       55.41    -90.86                                   
REMARK 500    THR A 142     -153.39   -122.92                                   
REMARK 500    ASP A 150     -157.53   -120.64                                   
REMARK 500    THR B 142     -152.58   -116.10                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     THH B  401                                                       
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 301  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 423   O                                                      
REMARK 620 2 HOH A 491   O    92.3                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE THH A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE THH B 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 B 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 302                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3DA8   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF PURN FROM MYCOBACTERIUM TUBERCULOSIS            
DBREF  3DCJ A    2   215  UNP    P71554   P71554_MYCTU     2    215             
DBREF  3DCJ B    2   215  UNP    P71554   P71554_MYCTU     2    215             
SEQADV 3DCJ VAL A    1  UNP  P71554              EXPRESSION TAG                 
SEQADV 3DCJ VAL B    1  UNP  P71554              EXPRESSION TAG                 
SEQRES   1 A  215  VAL GLN GLU PRO LEU ARG VAL PRO PRO SER ALA PRO ALA          
SEQRES   2 A  215  ARG LEU VAL VAL LEU ALA SER GLY THR GLY SER LEU LEU          
SEQRES   3 A  215  ARG SER LEU LEU ASP ALA ALA VAL GLY ASP TYR PRO ALA          
SEQRES   4 A  215  ARG VAL VAL ALA VAL GLY VAL ASP ARG GLU CYS ARG ALA          
SEQRES   5 A  215  ALA GLU ILE ALA ALA GLU ALA SER VAL PRO VAL PHE THR          
SEQRES   6 A  215  VAL ARG LEU ALA ASP HIS PRO SER ARG ASP ALA TRP ASP          
SEQRES   7 A  215  VAL ALA ILE THR ALA ALA THR ALA ALA HIS GLU PRO ASP          
SEQRES   8 A  215  LEU VAL VAL SER ALA GLY PHE MET ARG ILE LEU GLY PRO          
SEQRES   9 A  215  GLN PHE LEU SER ARG PHE TYR GLY ARG THR LEU ASN THR          
SEQRES  10 A  215  HIS PRO ALA LEU LEU PRO ALA PHE PRO GLY THR HIS GLY          
SEQRES  11 A  215  VAL ALA ASP ALA LEU ALA TYR GLY VAL LYS VAL THR GLY          
SEQRES  12 A  215  ALA THR VAL HIS LEU VAL ASP ALA GLY THR ASP THR GLY          
SEQRES  13 A  215  PRO ILE LEU ALA GLN GLN PRO VAL PRO VAL LEU ASP GLY          
SEQRES  14 A  215  ASP ASP GLU GLU THR LEU HIS GLU ARG ILE LYS VAL THR          
SEQRES  15 A  215  GLU ARG ARG LEU LEU VAL ALA ALA VAL ALA ALA LEU ALA          
SEQRES  16 A  215  THR HIS GLY VAL THR VAL VAL GLY ARG THR ALA THR MET          
SEQRES  17 A  215  GLY ARG LYS VAL THR ILE GLY                                  
SEQRES   1 B  215  VAL GLN GLU PRO LEU ARG VAL PRO PRO SER ALA PRO ALA          
SEQRES   2 B  215  ARG LEU VAL VAL LEU ALA SER GLY THR GLY SER LEU LEU          
SEQRES   3 B  215  ARG SER LEU LEU ASP ALA ALA VAL GLY ASP TYR PRO ALA          
SEQRES   4 B  215  ARG VAL VAL ALA VAL GLY VAL ASP ARG GLU CYS ARG ALA          
SEQRES   5 B  215  ALA GLU ILE ALA ALA GLU ALA SER VAL PRO VAL PHE THR          
SEQRES   6 B  215  VAL ARG LEU ALA ASP HIS PRO SER ARG ASP ALA TRP ASP          
SEQRES   7 B  215  VAL ALA ILE THR ALA ALA THR ALA ALA HIS GLU PRO ASP          
SEQRES   8 B  215  LEU VAL VAL SER ALA GLY PHE MET ARG ILE LEU GLY PRO          
SEQRES   9 B  215  GLN PHE LEU SER ARG PHE TYR GLY ARG THR LEU ASN THR          
SEQRES  10 B  215  HIS PRO ALA LEU LEU PRO ALA PHE PRO GLY THR HIS GLY          
SEQRES  11 B  215  VAL ALA ASP ALA LEU ALA TYR GLY VAL LYS VAL THR GLY          
SEQRES  12 B  215  ALA THR VAL HIS LEU VAL ASP ALA GLY THR ASP THR GLY          
SEQRES  13 B  215  PRO ILE LEU ALA GLN GLN PRO VAL PRO VAL LEU ASP GLY          
SEQRES  14 B  215  ASP ASP GLU GLU THR LEU HIS GLU ARG ILE LYS VAL THR          
SEQRES  15 B  215  GLU ARG ARG LEU LEU VAL ALA ALA VAL ALA ALA LEU ALA          
SEQRES  16 B  215  THR HIS GLY VAL THR VAL VAL GLY ARG THR ALA THR MET          
SEQRES  17 B  215  GLY ARG LYS VAL THR ILE GLY                                  
HET    THH  A 401      33                                                       
HET     MG  A 301       1                                                       
HET     CL  A 302       1                                                       
HET    THH  B 401      24                                                       
HET    NO3  B 301       4                                                       
HET     CL  B 302       1                                                       
HETNAM     THH N-[4-({[(6S)-2-AMINO-4-HYDROXY-5-METHYL-5,6,7,8-                 
HETNAM   2 THH  TETRAHYDROPTERIDIN-6-YL]METHYL}AMINO)BENZOYL]-L-                
HETNAM   3 THH  GLUTAMIC ACID                                                   
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      CL CHLORIDE ION                                                     
HETNAM     NO3 NITRATE ION                                                      
HETSYN     THH 5-METHYLTETRAHYDROFOLATE                                         
FORMUL   3  THH    2(C20 H25 N7 O6)                                             
FORMUL   4   MG    MG 2+                                                        
FORMUL   5   CL    2(CL 1-)                                                     
FORMUL   7  NO3    N O3 1-                                                      
FORMUL   9  HOH   *286(H2 O)                                                    
HELIX    1   1 GLY A   23  ALA A   33  1                                  11    
HELIX    2   2 CYS A   50  ALA A   59  1                                  10    
HELIX    3   3 ARG A   67  HIS A   71  5                                   5    
HELIX    4   4 SER A   73  ALA A   87  1                                  15    
HELIX    5   5 GLY A  103  TYR A  111  1                                   9    
HELIX    6   6 HIS A  129  GLY A  138  1                                  10    
HELIX    7   7 ASP A  171  GLY A  198  1                                  28    
HELIX    8   8 GLY B   23  ALA B   33  1                                  11    
HELIX    9   9 CYS B   50  ALA B   59  1                                  10    
HELIX   10  10 ARG B   67  HIS B   71  5                                   5    
HELIX   11  11 SER B   73  ALA B   87  1                                  15    
HELIX   12  12 GLY B  103  TYR B  111  1                                   9    
HELIX   13  13 HIS B  129  GLY B  138  1                                  10    
HELIX   14  14 ASP B  171  GLY B  198  1                                  28    
SHEET    1   A 3 LEU A   5  VAL A   7  0                                        
SHEET    2   A 3 VAL A 199  VAL A 202 -1  O  VAL A 199   N  VAL A   7           
SHEET    3   A 3 THR A 205  THR A 207 -1  O  THR A 205   N  VAL A 202           
SHEET    1   B 7 VAL A  63  THR A  65  0                                        
SHEET    2   B 7 ALA A  39  VAL A  46  1  N  VAL A  46   O  PHE A  64           
SHEET    3   B 7 ALA A  13  LEU A  18  1  N  VAL A  17   O  GLY A  45           
SHEET    4   B 7 LEU A  92  SER A  95  1  O  VAL A  94   N  LEU A  18           
SHEET    5   B 7 THR A 114  HIS A 118  1  O  LEU A 115   N  SER A  95           
SHEET    6   B 7 VAL A 141  LEU A 148 -1  O  HIS A 147   N  ASN A 116           
SHEET    7   B 7 ILE A 158  PRO A 165 -1  O  ALA A 160   N  VAL A 146           
SHEET    1   C 3 ARG B   6  VAL B   7  0                                        
SHEET    2   C 3 VAL B 199  VAL B 202 -1  O  VAL B 199   N  VAL B   7           
SHEET    3   C 3 THR B 205  THR B 207 -1  O  THR B 207   N  THR B 200           
SHEET    1   D 7 VAL B  63  THR B  65  0                                        
SHEET    2   D 7 ALA B  39  VAL B  46  1  N  VAL B  44   O  PHE B  64           
SHEET    3   D 7 ALA B  13  ALA B  19  1  N  LEU B  15   O  ARG B  40           
SHEET    4   D 7 LEU B  92  SER B  95  1  O  VAL B  94   N  LEU B  18           
SHEET    5   D 7 THR B 114  HIS B 118  1  O  LEU B 115   N  SER B  95           
SHEET    6   D 7 VAL B 141  VAL B 149 -1  O  THR B 145   N  HIS B 118           
SHEET    7   D 7 THR B 155  PRO B 165 -1  O  VAL B 164   N  THR B 142           
LINK        MG    MG A 301                 O   HOH A 423     1555   1555  2.18  
LINK        MG    MG A 301                 O   HOH A 491     1555   1555  2.03  
CISPEP   1 ALA A   11    PRO A   12          0        -8.58                     
CISPEP   2 LEU A  122    PRO A  123          0        15.85                     
CISPEP   3 ALA B   11    PRO B   12          0        -4.24                     
CISPEP   4 LEU B  122    PRO B  123          0         7.79                     
SITE     1 AC1 15 PHE A  98  MET A  99  ARG A 100  ILE A 101                    
SITE     2 AC1 15 LEU A 102  ASN A 116  THR A 128  VAL A 149                    
SITE     3 AC1 15 ASP A 150  GLY A 152  THR A 153  ASP A 154                    
SITE     4 AC1 15  MG A 301  HOH A 468  HOH A 513                               
SITE     1 AC2  4 THR A 117  THH A 401  HOH A 423  HOH A 491                    
SITE     1 AC3  1 PRO A 165                                                     
SITE     1 AC4 10 PHE B  98  ARG B 100  ILE B 101  LEU B 102                    
SITE     2 AC4 10 ASN B 116  VAL B 149  ASP B 150  GLY B 152                    
SITE     3 AC4 10 HOH B 582  HOH B 649                                          
SITE     1 AC5  8 LEU A  68  ALA A  69  ALA B  86  PRO B  90                    
SITE     2 AC5  8 ARG B 109  PHE B 110  ARG B 113  HOH B 647                    
SITE     1 AC6  1 PRO B 165                                                     
CRYST1   62.153   61.660   61.525  90.00 103.31  90.00 P 1 21 1      4          
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      0.016089  0.000000  0.003806        0.00000                         
SCALE2      0.000000  0.016218  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016702        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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