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Database: PDB
Entry: 5CC7
LinkDB: 5CC7
Original site: 5CC7 
HEADER    TRANSFERASE                             01-JUL-15   5CC7              
TITLE     CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS MALATE SYNTHASE IN    
TITLE    2 COMPLEX WITH 1H-INDOLE-6-CARBOXYLIC ACID                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MALATE SYNTHASE G;                                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.3.3.9;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS (STRAIN ATCC 25618 / 
SOURCE   3 H37RV);                                                              
SOURCE   4 ORGANISM_TAXID: 83332;                                               
SOURCE   5 STRAIN: ATCC 25618 / H37RV;                                          
SOURCE   6 GENE: GLCB, RV1837C, MTCY1A11.06;                                    
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21                                       
KEYWDS    COMPLEX, FRAGMENT, TRANSFERASE                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.-L.HUANG,J.C.SACCHETTINI                                            
REVDAT   3   27-SEP-23 5CC7    1       REMARK                                   
REVDAT   2   27-SEP-17 5CC7    1       REMARK                                   
REVDAT   1   10-AUG-16 5CC7    0                                                
JRNL        AUTH   H.-L.HUANG,I.V.KRIEGER,V.B.GAWANDI,M.PARAI,J.C.SACCHETTINI   
JRNL        TITL   CRYSTAL STRUCTURES OF FRAGMENT-BOUND MALATE SYNTHASE FROM    
JRNL        TITL 2 MYCOBACTERIUM TUBERCULOSIS PROVIDE INSIGHTS INTO MECHANISM   
JRNL        TITL 3 AND POTENTIAL INHIBITOR DESIGNS                              
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.V.SMITH,C.C.HUANG,A.MICZAK,D.G.RUSSELL,J.C.SACCHETTINI,    
REMARK   1  AUTH 2 K.HONER ZU BENTRUP                                           
REMARK   1  TITL   BIOCHEMICAL AND STRUCTURAL STUDIES OF MALATE SYNTHASE FROM   
REMARK   1  TITL 2 MYCOBACTERIUM TUBERCULOSIS.                                  
REMARK   1  REF    J.BIOL.CHEM.                  V. 278  1735 2003              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1  PMID   12393860                                                     
REMARK   1  DOI    10.1074/JBC.M209248200                                       
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   I.V.KRIEGER,J.S.FREUNDLICH,V.B.GAWANDI,J.P.ROBERTS,          
REMARK   1  AUTH 2 V.B.GAWANDI,Q.SUN,J.L.OWEN,M.T.FRAILE,S.I.HUSS,              
REMARK   1  AUTH 3 J.L.LAVANDERA,T.R.IOERGER,J.C.SACCHETTINI                    
REMARK   1  TITL   STRUCTURE-GUIDED DISCOVERY OF PHENYL-DIKETO ACIDS AS POTENT  
REMARK   1  TITL 2 INHIBITORS OF M. TUBERCULOSIS MALATE SYNTHASE.               
REMARK   1  REF    CHEM.BIOL.                    V.  19  1556 2012              
REMARK   1  REFN                   ISSN 1074-5521                               
REMARK   1  PMID   23261599                                                     
REMARK   1  DOI    10.1016/J.CHEMBIOL.2012.09.018                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.12 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC CCP4 6.5                                      
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.12                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 45.10                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 40590                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : FREE R-VALUE                    
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM SELECTION                
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.252                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5393                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 726                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 26.78                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 32.26                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.99800                                              
REMARK   3    B22 (A**2) : 4.99800                                              
REMARK   3    B33 (A**2) : -9.99500                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 5CC7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JUL-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000211276.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-OCT-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0-8.5                            
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 23-ID-B                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.987                              
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 300 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 40595                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.120                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.100                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.3                               
REMARK 200  DATA REDUNDANCY                : 7.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 24.5900                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.12                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.15                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 9.80                               
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: MOLREP CCP4 6.5                                       
REMARK 200 STARTING MODEL: 1N8I                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.76                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, MAGNESIUM CHLORIDE, TRIS, PH   
REMARK 280  7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 300K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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      112.91700            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       39.83050            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       39.83050            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      169.37550            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       39.83050            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       39.83050            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       56.45850            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       39.83050            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       39.83050            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      169.37550            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       39.83050            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       39.83050            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       56.45850            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      112.91700            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 110 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 26650 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 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 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     MET A     1                                                      
REMARK 465     VAL A    72                                                      
REMARK 465     ILE A    73                                                      
REMARK 465     GLU A    74                                                      
REMARK 465     ALA A   302                                                      
REMARK 465     VAL A   303                                                      
REMARK 465     ASP A   304                                                      
REMARK 465     LYS A   305                                                      
REMARK 465     ASP A   306                                                      
REMARK 465     GLY A   307                                                      
REMARK 465     THR A   308                                                      
REMARK 465     ALA A   309                                                      
REMARK 465     PHE A   310                                                      
REMARK 465     LEU A   311                                                      
REMARK 465     VAL A   381                                                      
REMARK 465     ASN A   382                                                      
REMARK 465     GLY A   383                                                      
REMARK 465     PRO A   384                                                      
REMARK 465     LEU A   385                                                      
REMARK 465     ALA A   674                                                      
REMARK 465     GLY A   675                                                      
REMARK 465     ASP A   676                                                      
REMARK 465     VAL A   677                                                      
REMARK 465     LYS A   728                                                      
REMARK 465     PRO A   729                                                      
REMARK 465     ALA A   730                                                      
REMARK 465     PRO A   731                                                      
REMARK 465     SER A   732                                                      
REMARK 465     ASP A   733                                                      
REMARK 465     ARG A   734                                                      
REMARK 465     ALA A   735                                                      
REMARK 465     GLY A   736                                                      
REMARK 465     ASP A   737                                                      
REMARK 465     ASP A   738                                                      
REMARK 465     ALA A   739                                                      
REMARK 465     ALA A   740                                                      
REMARK 465     ARG A   741                                                      
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  1216     O    HOH A  1446              1.97            
REMARK 500   O    HOH A  1205     O    HOH A  1330              2.03            
REMARK 500   O    HOH A   945     O    HOH A  1050              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 A   972     O    HOH A  1357     8675     2.06            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A   3       59.94   -103.03                                   
REMARK 500    GLU A 150       31.80    -82.43                                   
REMARK 500    ASP A 152      129.13    -38.78                                   
REMARK 500    HIS A 235       29.68     49.76                                   
REMARK 500    ASP A 244       88.40   -153.33                                   
REMARK 500    SER A 264      -88.37   -117.85                                   
REMARK 500    GLU A 273     -115.66   -102.27                                   
REMARK 500    ASN A 387     -108.17   -111.45                                   
REMARK 500    GLU A 434       14.90   -145.03                                   
REMARK 500    PRO A 582       49.11    -78.15                                   
REMARK 500    ASP A 624     -158.37    -82.70                                   
REMARK 500    HIS A 626        2.55    -66.42                                   
REMARK 500    MET A 631      -93.06    -70.39                                   
REMARK 500    GLU A 632      168.63     69.60                                   
REMARK 500    ASP A 633     -156.67   -146.04                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 PRO A   75     ILE A   76                 -137.80                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A1617        DISTANCE =  5.86 ANGSTROMS                       
REMARK 525    HOH A1618        DISTANCE =  6.19 ANGSTROMS                       
REMARK 525    HOH A1619        DISTANCE =  6.35 ANGSTROMS                       
REMARK 525    HOH A1620        DISTANCE =  6.38 ANGSTROMS                       
REMARK 525    HOH A1621        DISTANCE =  6.41 ANGSTROMS                       
REMARK 525    HOH A1622        DISTANCE =  6.54 ANGSTROMS                       
REMARK 525    HOH A1623        DISTANCE =  6.66 ANGSTROMS                       
REMARK 525    HOH A1624        DISTANCE =  6.66 ANGSTROMS                       
REMARK 525    HOH A1625        DISTANCE =  6.73 ANGSTROMS                       
REMARK 525    HOH A1626        DISTANCE =  6.82 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 801  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 434   OE2                                                    
REMARK 620 2 ASP A 462   OD1  93.7                                              
REMARK 620 3 HOH A 934   O   177.6  86.9                                        
REMARK 620 4 HOH A 939   O    79.9  99.3  97.7                                  
REMARK 620 5 HOH A1304   O    89.4 169.7  90.3  90.9                            
REMARK 620 6 HOH A1389   O    87.6 100.3  94.6 157.4  70.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 801                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 1F1 A 802                 
DBREF  5CC7 A    1   741  UNP    P9WK17   MASZ_MYCTU       1    741             
SEQADV 5CC7 ALA A  619  UNP  P9WK17    CYS   619 ENGINEERED MUTATION            
SEQRES   1 A  741  MET THR ASP ARG VAL SER VAL GLY ASN LEU ARG ILE ALA          
SEQRES   2 A  741  ARG VAL LEU TYR ASP PHE VAL ASN ASN GLU ALA LEU PRO          
SEQRES   3 A  741  GLY THR ASP ILE ASP PRO ASP SER PHE TRP ALA GLY VAL          
SEQRES   4 A  741  ASP LYS VAL VAL ALA ASP LEU THR PRO GLN ASN GLN ALA          
SEQRES   5 A  741  LEU LEU ASN ALA ARG ASP GLU LEU GLN ALA GLN ILE ASP          
SEQRES   6 A  741  LYS TRP HIS ARG ARG ARG VAL ILE GLU PRO ILE ASP MET          
SEQRES   7 A  741  ASP ALA TYR ARG GLN PHE LEU THR GLU ILE GLY TYR LEU          
SEQRES   8 A  741  LEU PRO GLU PRO ASP ASP PHE THR ILE THR THR SER GLY          
SEQRES   9 A  741  VAL ASP ALA GLU ILE THR THR THR ALA GLY PRO GLN LEU          
SEQRES  10 A  741  VAL VAL PRO VAL LEU ASN ALA ARG PHE ALA LEU ASN ALA          
SEQRES  11 A  741  ALA ASN ALA ARG TRP GLY SER LEU TYR ASP ALA LEU TYR          
SEQRES  12 A  741  GLY THR ASP VAL ILE PRO GLU THR ASP GLY ALA GLU LYS          
SEQRES  13 A  741  GLY PRO THR TYR ASN LYS VAL ARG GLY ASP LYS VAL ILE          
SEQRES  14 A  741  ALA TYR ALA ARG LYS PHE LEU ASP ASP SER VAL PRO LEU          
SEQRES  15 A  741  SER SER GLY SER PHE GLY ASP ALA THR GLY PHE THR VAL          
SEQRES  16 A  741  GLN ASP GLY GLN LEU VAL VAL ALA LEU PRO ASP LYS SER          
SEQRES  17 A  741  THR GLY LEU ALA ASN PRO GLY GLN PHE ALA GLY TYR THR          
SEQRES  18 A  741  GLY ALA ALA GLU SER PRO THR SER VAL LEU LEU ILE ASN          
SEQRES  19 A  741  HIS GLY LEU HIS ILE GLU ILE LEU ILE ASP PRO GLU SER          
SEQRES  20 A  741  GLN VAL GLY THR THR ASP ARG ALA GLY VAL LYS ASP VAL          
SEQRES  21 A  741  ILE LEU GLU SER ALA ILE THR THR ILE MET ASP PHE GLU          
SEQRES  22 A  741  ASP SER VAL ALA ALA VAL ASP ALA ALA ASP LYS VAL LEU          
SEQRES  23 A  741  GLY TYR ARG ASN TRP LEU GLY LEU ASN LYS GLY ASP LEU          
SEQRES  24 A  741  ALA ALA ALA VAL ASP LYS ASP GLY THR ALA PHE LEU ARG          
SEQRES  25 A  741  VAL LEU ASN ARG ASP ARG ASN TYR THR ALA PRO GLY GLY          
SEQRES  26 A  741  GLY GLN PHE THR LEU PRO GLY ARG SER LEU MET PHE VAL          
SEQRES  27 A  741  ARG ASN VAL GLY HIS LEU MET THR ASN ASP ALA ILE VAL          
SEQRES  28 A  741  ASP THR ASP GLY SER GLU VAL PHE GLU GLY ILE MET ASP          
SEQRES  29 A  741  ALA LEU PHE THR GLY LEU ILE ALA ILE HIS GLY LEU LYS          
SEQRES  30 A  741  ALA SER ASP VAL ASN GLY PRO LEU ILE ASN SER ARG THR          
SEQRES  31 A  741  GLY SER ILE TYR ILE VAL LYS PRO LYS MET HIS GLY PRO          
SEQRES  32 A  741  ALA GLU VAL ALA PHE THR CYS GLU LEU PHE SER ARG VAL          
SEQRES  33 A  741  GLU ASP VAL LEU GLY LEU PRO GLN ASN THR MET LYS ILE          
SEQRES  34 A  741  GLY ILE MET ASP GLU GLU ARG ARG THR THR VAL ASN LEU          
SEQRES  35 A  741  LYS ALA CYS ILE LYS ALA ALA ALA ASP ARG VAL VAL PHE          
SEQRES  36 A  741  ILE ASN THR GLY PHE LEU ASP ARG THR GLY ASP GLU ILE          
SEQRES  37 A  741  HIS THR SER MET GLU ALA GLY PRO MET VAL ARG LYS GLY          
SEQRES  38 A  741  THR MET LYS SER GLN PRO TRP ILE LEU ALA TYR GLU ASP          
SEQRES  39 A  741  HIS ASN VAL ASP ALA GLY LEU ALA ALA GLY PHE SER GLY          
SEQRES  40 A  741  ARG ALA GLN VAL GLY LYS GLY MET TRP THR MET THR GLU          
SEQRES  41 A  741  LEU MET ALA ASP MET VAL GLU THR LYS ILE ALA GLN PRO          
SEQRES  42 A  741  ARG ALA GLY ALA SER THR ALA TRP VAL PRO SER PRO THR          
SEQRES  43 A  741  ALA ALA THR LEU HIS ALA LEU HIS TYR HIS GLN VAL ASP          
SEQRES  44 A  741  VAL ALA ALA VAL GLN GLN GLY LEU ALA GLY LYS ARG ARG          
SEQRES  45 A  741  ALA THR ILE GLU GLN LEU LEU THR ILE PRO LEU ALA LYS          
SEQRES  46 A  741  GLU LEU ALA TRP ALA PRO ASP GLU ILE ARG GLU GLU VAL          
SEQRES  47 A  741  ASP ASN ASN CYS GLN SER ILE LEU GLY TYR VAL VAL ARG          
SEQRES  48 A  741  TRP VAL ASP GLN GLY VAL GLY ALA SER LYS VAL PRO ASP          
SEQRES  49 A  741  ILE HIS ASP VAL ALA LEU MET GLU ASP ARG ALA THR LEU          
SEQRES  50 A  741  ARG ILE SER SER GLN LEU LEU ALA ASN TRP LEU ARG HIS          
SEQRES  51 A  741  GLY VAL ILE THR SER ALA ASP VAL ARG ALA SER LEU GLU          
SEQRES  52 A  741  ARG MET ALA PRO LEU VAL ASP ARG GLN ASN ALA GLY ASP          
SEQRES  53 A  741  VAL ALA TYR ARG PRO MET ALA PRO ASN PHE ASP ASP SER          
SEQRES  54 A  741  ILE ALA PHE LEU ALA ALA GLN GLU LEU ILE LEU SER GLY          
SEQRES  55 A  741  ALA GLN GLN PRO ASN GLY TYR THR GLU PRO ILE LEU HIS          
SEQRES  56 A  741  ARG ARG ARG ARG GLU PHE LYS ALA ARG ALA ALA GLU LYS          
SEQRES  57 A  741  PRO ALA PRO SER ASP ARG ALA GLY ASP ASP ALA ALA ARG          
HET     MG  A 801       1                                                       
HET    1F1  A 802      12                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     1F1 1H-INDOLE-6-CARBOXYLIC ACID                                      
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  1F1    C9 H7 N O2                                                   
FORMUL   4  HOH   *726(H2 O)                                                    
HELIX    1 AA1 ARG A   14  GLU A   23  1                                  10    
HELIX    2 AA2 ASP A   31  ARG A   70  1                                  40    
HELIX    3 AA3 ASP A   77  ILE A   88  1                                  12    
HELIX    4 AA4 ASP A  106  THR A  111  1                                   6    
HELIX    5 AA5 ASN A  123  ASN A  132  1                                  10    
HELIX    6 AA6 LEU A  138  THR A  145  1                                   8    
HELIX    7 AA7 ASN A  161  VAL A  180  1                                  20    
HELIX    8 AA8 SER A  186  ALA A  190  5                                   5    
HELIX    9 AA9 ASN A  213  GLY A  215  5                                   3    
HELIX   10 AB1 SER A  247  ASP A  253  1                                   7    
HELIX   11 AB2 ASP A  280  LYS A  296  1                                  17    
HELIX   12 AB3 GLU A  360  ILE A  373  1                                  14    
HELIX   13 AB4 HIS A  374  LYS A  377  5                                   4    
HELIX   14 AB5 GLY A  402  GLY A  421  1                                  20    
HELIX   15 AB6 GLU A  435  VAL A  440  1                                   6    
HELIX   16 AB7 ASN A  441  ALA A  449  1                                   9    
HELIX   17 AB8 GLY A  459  SER A  471  1                                  13    
HELIX   18 AB9 ARG A  479  LYS A  484  1                                   6    
HELIX   19 AC1 GLN A  486  ALA A  503  1                                  18    
HELIX   20 AC2 LEU A  521  LYS A  529  1                                   9    
HELIX   21 AC3 ILE A  530  ALA A  535  1                                   6    
HELIX   22 AC4 SER A  544  VAL A  558  1                                  15    
HELIX   23 AC5 ASP A  559  ALA A  568  1                                  10    
HELIX   24 AC6 THR A  574  LEU A  579  1                                   6    
HELIX   25 AC7 ALA A  590  GLY A  616  1                                  27    
HELIX   26 AC8 ASP A  633  HIS A  650  1                                  18    
HELIX   27 AC9 THR A  654  ASN A  673  1                                  20    
HELIX   28 AD1 ASN A  685  ASP A  688  5                                   4    
HELIX   29 AD2 SER A  689  SER A  701  1                                  13    
HELIX   30 AD3 GLY A  702  TYR A  709  5                                   8    
HELIX   31 AD4 THR A  710  GLU A  727  1                                  18    
SHEET    1 AA1 4 ARG A   4  VAL A   7  0                                        
SHEET    2 AA1 4 LEU A  10  ALA A  13 -1  O  ILE A  12   N  VAL A   5           
SHEET    3 AA1 4 THR A 346  ASP A 352 -1  O  VAL A 351   N  ARG A  11           
SHEET    4 AA1 4 GLU A 357  PHE A 359 -1  O  VAL A 358   N  ILE A 350           
SHEET    1 AA2 9 GLN A 116  PRO A 120  0                                        
SHEET    2 AA2 9 THR A 267  ASP A 271  1  O  ILE A 269   N  LEU A 117           
SHEET    3 AA2 9 LEU A 335  ARG A 339  1  O  PHE A 337   N  THR A 268           
SHEET    4 AA2 9 ILE A 393  LYS A 397  1  O  VAL A 396   N  VAL A 338           
SHEET    5 AA2 9 MET A 427  ASP A 433  1  O  LYS A 428   N  ILE A 393           
SHEET    6 AA2 9 VAL A 453  THR A 458  1  O  ASN A 457   N  ASP A 433           
SHEET    7 AA2 9 GLN A 510  LYS A 513  1  O  GLY A 512   N  ILE A 456           
SHEET    8 AA2 9 THR A 539  VAL A 542  1  O  THR A 539   N  LYS A 513           
SHEET    9 AA2 9 GLN A 116  PRO A 120  1  N  GLN A 116   O  ALA A 540           
SHEET    1 AA3 5 TRP A 135  SER A 137  0                                        
SHEET    2 AA3 5 VAL A 257  GLU A 263 -1  O  LEU A 262   N  GLY A 136           
SHEET    3 AA3 5 LEU A 237  ILE A 243 -1  N  GLU A 240   O  ILE A 261           
SHEET    4 AA3 5 SER A 229  ASN A 234 -1  N  LEU A 232   O  ILE A 239           
SHEET    5 AA3 5 PHE A 217  THR A 221 -1  N  ALA A 218   O  LEU A 231           
SHEET    1 AA4 3 GLY A 192  GLN A 196  0                                        
SHEET    2 AA4 3 GLN A 199  ALA A 203 -1  O  VAL A 201   N  THR A 194           
SHEET    3 AA4 3 SER A 208  THR A 209 -1  O  THR A 209   N  VAL A 202           
SHEET    1 AA5 2 ARG A 318  THR A 321  0                                        
SHEET    2 AA5 2 GLN A 327  LEU A 330 -1  O  LEU A 330   N  ARG A 318           
SHEET    1 AA6 2 VAL A 622  PRO A 623  0                                        
SHEET    2 AA6 2 ALA A 629  LEU A 630 -1  O  LEU A 630   N  VAL A 622           
LINK         OE2 GLU A 434                MG    MG A 801     1555   1555  2.29  
LINK         OD1 ASP A 462                MG    MG A 801     1555   1555  2.19  
LINK        MG    MG A 801                 O   HOH A 934     1555   1555  2.25  
LINK        MG    MG A 801                 O   HOH A 939     1555   1555  2.30  
LINK        MG    MG A 801                 O   HOH A1304     1555   1555  2.42  
LINK        MG    MG A 801                 O   HOH A1389     1555   1555  2.41  
CISPEP   1 ALA A  683    PRO A  684          0        -1.61                     
SITE     1 AC1  6 GLU A 434  ASP A 462  HOH A 934  HOH A 939                    
SITE     2 AC1  6 HOH A1304  HOH A1389                                          
SITE     1 AC2 10 VAL A 118  SER A 275  ARG A 339  TRP A 541                    
SITE     2 AC2 10 MET A 631  ASP A 633  HOH A 934  HOH A1020                    
SITE     3 AC2 10 HOH A1023  HOH A1304                                          
CRYST1   79.661   79.661  225.834  90.00  90.00  90.00 P 43 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      0.012553  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012553  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004428        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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