HEADER    OXIDOREDUCTASE                          07-MAY-13   4KL9              
TITLE     CRYSTAL STRUCTURE OF DIHYDROFOLATE REDUCTASE FROM MYCOBACTERIUM       
TITLE    2 TUBERCULOSIS IN THE SPACE GROUP C2                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIHYDROFOLATE REDUCTASE;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 1.5.1.3;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS;                     
SOURCE   3 ORGANISM_TAXID: 1773;                                                
SOURCE   4 STRAIN: H37RV;                                                       
SOURCE   5 GENE: DFRA, FOLA, MT2833, MTV002.28C, RV2763C;                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PET28A                                
KEYWDS    REDUCTASE, OXIDOREDUCTASE                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.V.B.DIAS,P.TYRAKIS,T.L.BLUNDELL                                     
REVDAT   4   28-FEB-24 4KL9    1       REMARK SEQADV HETSYN                     
REVDAT   3   24-JAN-18 4KL9    1       AUTHOR                                   
REVDAT   2   29-JAN-14 4KL9    1       JRNL                                     
REVDAT   1   25-DEC-13 4KL9    0                                                
JRNL        AUTH   M.V.DIAS,P.TYRAKIS,R.R.DOMINGUES,A.F.PAES LEME,T.L.BLUNDELL  
JRNL        TITL   MYCOBACTERIUM TUBERCULOSIS DIHYDROFOLATE REDUCTASE REVEALS   
JRNL        TITL 2 TWO CONFORMATIONAL STATES AND A POSSIBLE LOW AFFINITY        
JRNL        TITL 3 MECHANISM TO ANTIFOLATE DRUGS.                               
JRNL        REF    STRUCTURE                     V.  22    94 2014              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   24210757                                                     
JRNL        DOI    10.1016/J.STR.2013.09.022                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.39 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.6.0117                                      
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) : 1.39                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 23.03                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 36063                          
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) : 0.157                           
REMARK   3   R VALUE            (WORKING SET) : 0.155                           
REMARK   3   FREE R VALUE                     : 0.202                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1799                            
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) : 1.39                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.42                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2478                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2790                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 126                          
REMARK   3   BIN FREE R VALUE                    : 0.3840                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1249                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 70                                      
REMARK   3   SOLVENT ATOMS            : 178                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.65                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
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): 0.059         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.060         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.041         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.275         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.976                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.961                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1360 ; 0.024 ; 0.020       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1852 ; 2.388 ; 2.009       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   161 ; 6.838 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    59 ;32.646 ;21.356       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   202 ;14.889 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    17 ;17.137 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   198 ; 0.348 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1027 ; 0.014 ; 0.021       
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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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):  1360 ; 8.685 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):    69 ;33.769 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  1434 ;17.670 ; 5.000       
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 USED IF PRESENT IN    
REMARK   3  THE INPUT U VALUES: REFINED INDIVIDUALLY                            
REMARK   4                                                                      
REMARK   4 4KL9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-MAY-13.                  
REMARK 100 THE DEPOSITION ID IS D_1000079479.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-OCT-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X06DA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97160                            
REMARK 200  MONOCHROMATOR                  : MIRROR                             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.3.15                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 36064                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.390                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 49.457                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 3.800                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.03800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.39                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.46                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.58600                            
REMARK 200  R SYM FOR SHELL            (I) : 0.58600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MES, PEGMME 2000, PH 6.5, VAPOR          
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 298K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
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       33.79000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       36.79500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       33.79000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       36.79500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
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     HIS A   0    CG   ND1  CD2  CE1  NE2                             
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   N    HIS A     0     O    HOH A   385              2.18            
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   OH   TYR A   154     O    HOH A   476     2555     1.97            
REMARK 500   O    HOH A   422     O    HOH A   474     4545     1.99            
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    HIS A  38   NE2   HIS A  38   CD2    -0.080                       
REMARK 500    GLU A 114   CD    GLU A 114   OE1    -0.071                       
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    MET A   1   CG  -  SD  -  CE  ANGL. DEV. = -13.4 DEGREES          
REMARK 500    ASP A  19   CB  -  CG  -  OD1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ARG A 150   CA  -  CB  -  CG  ANGL. DEV. =  13.6 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  21       34.30    -82.27                                   
REMARK 500    LEU A  86       25.60    -75.51                                   
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 ASP A   70     PHE A   71                 -148.97                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE P33 A 202                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4KLX   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4KM0   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4KM2   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4KNE   RELATED DB: PDB                                   
DBREF  4KL9 A    1   159  UNP    P0A546   DYR_MYCTU        1    159             
SEQADV 4KL9 MET A  -19  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 GLY A  -18  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 SER A  -17  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 SER A  -16  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 HIS A  -15  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 HIS A  -14  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 HIS A  -13  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 HIS A  -12  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 HIS A  -11  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 HIS A  -10  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 SER A   -9  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 SER A   -8  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 GLY A   -7  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 LEU A   -6  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 VAL A   -5  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 PRO A   -4  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 ARG A   -3  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 GLY A   -2  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 SER A   -1  UNP  P0A546              EXPRESSION TAG                 
SEQADV 4KL9 HIS A    0  UNP  P0A546              EXPRESSION TAG                 
SEQRES   1 A  179  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  179  LEU VAL PRO ARG GLY SER HIS MET VAL GLY LEU ILE TRP          
SEQRES   3 A  179  ALA GLN ALA THR SER GLY VAL ILE GLY ARG GLY GLY ASP          
SEQRES   4 A  179  ILE PRO TRP ARG LEU PRO GLU ASP GLN ALA HIS PHE ARG          
SEQRES   5 A  179  GLU ILE THR MET GLY HIS THR ILE VAL MET GLY ARG ARG          
SEQRES   6 A  179  THR TRP ASP SER LEU PRO ALA LYS VAL ARG PRO LEU PRO          
SEQRES   7 A  179  GLY ARG ARG ASN VAL VAL LEU SER ARG GLN ALA ASP PHE          
SEQRES   8 A  179  MET ALA SER GLY ALA GLU VAL VAL GLY SER LEU GLU GLU          
SEQRES   9 A  179  ALA LEU THR SER PRO GLU THR TRP VAL ILE GLY GLY GLY          
SEQRES  10 A  179  GLN VAL TYR ALA LEU ALA LEU PRO TYR ALA THR ARG CYS          
SEQRES  11 A  179  GLU VAL THR GLU VAL ASP ILE GLY LEU PRO ARG GLU ALA          
SEQRES  12 A  179  GLY ASP ALA LEU ALA PRO VAL LEU ASP GLU THR TRP ARG          
SEQRES  13 A  179  GLY GLU THR GLY GLU TRP ARG PHE SER ARG SER GLY LEU          
SEQRES  14 A  179  ARG TYR ARG LEU TYR SER TYR HIS ARG SER                      
HET    NDP  A 201      48                                                       
HET    P33  A 202      22                                                       
HETNAM     NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE                  
HETNAM   2 NDP  PHOSPHATE                                                       
HETNAM     P33 3,6,9,12,15,18-HEXAOXAICOSANE-1,20-DIOL                          
HETSYN     P33 HEPTAETHYLENE GLYCOL; PEG330                                     
FORMUL   2  NDP    C21 H30 N7 O17 P3                                            
FORMUL   3  P33    C14 H30 O8                                                   
FORMUL   4  HOH   *178(H2 O)                                                    
HELIX    1   1 LEU A   24  GLU A   26  5                                   3    
HELIX    2   2 ASP A   27  MET A   36  1                                  10    
HELIX    3   3 ARG A   44  LEU A   50  1                                   7    
HELIX    4   4 GLY A   96  LEU A  104  1                                   9    
SHEET    1   A 8 GLU A  77  VAL A  79  0                                        
SHEET    2   A 8 ARG A  61  LEU A  65  1  N  VAL A  64   O  GLU A  77           
SHEET    3   A 8 THR A  39  GLY A  43  1  N  ILE A  40   O  ARG A  61           
SHEET    4   A 8 GLU A  90  GLY A  95  1  O  TRP A  92   N  THR A  39           
SHEET    5   A 8 MET A   1  ALA A   9  1  N  GLY A   3   O  VAL A  93           
SHEET    6   A 8 ALA A 107  VAL A 115  1  O  THR A 113   N  GLN A   8           
SHEET    7   A 8 ARG A 150  HIS A 157 -1  O  ARG A 152   N  GLU A 114           
SHEET    8   A 8 ARG A 136  THR A 139 -1  N  ARG A 136   O  HIS A 157           
SHEET    1   B 8 GLU A  77  VAL A  79  0                                        
SHEET    2   B 8 ARG A  61  LEU A  65  1  N  VAL A  64   O  GLU A  77           
SHEET    3   B 8 THR A  39  GLY A  43  1  N  ILE A  40   O  ARG A  61           
SHEET    4   B 8 GLU A  90  GLY A  95  1  O  TRP A  92   N  THR A  39           
SHEET    5   B 8 MET A   1  ALA A   9  1  N  GLY A   3   O  VAL A  93           
SHEET    6   B 8 ALA A 107  VAL A 115  1  O  THR A 113   N  GLN A   8           
SHEET    7   B 8 ARG A 150  HIS A 157 -1  O  ARG A 152   N  GLU A 114           
SHEET    8   B 8 ARG A 143  PHE A 144 -1  N  ARG A 143   O  TYR A 151           
SHEET    1   C 2 VAL A  13  GLY A  15  0                                        
SHEET    2   C 2 ALA A 126  LEU A 127 -1  O  ALA A 126   N  ILE A  14           
CISPEP   1 ARG A   55    PRO A   56          0        -1.08                     
CISPEP   2 GLY A   95    GLY A   96          0         2.50                     
SITE     1 AC1 31 TRP A   6  ALA A   7  ILE A  14  GLY A  15                    
SITE     2 AC1 31 ARG A  16  ASP A  19  ILE A  20  GLY A  43                    
SITE     3 AC1 31 ARG A  44  ARG A  45  THR A  46  LEU A  65                    
SITE     4 AC1 31 SER A  66  ARG A  67  GLN A  68  GLY A  80                    
SITE     5 AC1 31 ILE A  94  GLY A  96  GLY A  97  GLN A  98                    
SITE     6 AC1 31 VAL A  99  TYR A 100  LEU A 102  HIS A 157                    
SITE     7 AC1 31 HOH A 310  HOH A 327  HOH A 342  HOH A 401                    
SITE     8 AC1 31 HOH A 416  HOH A 458  HOH A 459                               
SITE     1 AC2  8 THR A  10  SER A  11  GLY A  12  ARG A 121                    
SITE     2 AC2  8 ALA A 128  VAL A 130  HOH A 355  HOH A 471                    
CRYST1   67.580   73.590   36.830  90.00  98.77  90.00 C 1 2 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      0.014797  0.000000  0.002283        0.00000                         
SCALE2      0.000000  0.013589  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.027473        0.00000