PDB Short entry for 1D6M
HEADER    ISOMERASE                               14-OCT-99   1D6M              
TITLE     CRYSTAL STRUCTURE OF E. COLI DNA TOPOISOMERASE III                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA TOPOISOMERASE III;                                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 5.99.1.2;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: HMS-83;                                    
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PET3                                      
KEYWDS    DNA TOPOISOMERASE, DECATENATING ENZYME, ISOMERASE                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.MONDRAGON,R.DIGATE                                                  
REVDAT   3   07-FEB-24 1D6M    1       REMARK                                   
REVDAT   2   24-FEB-09 1D6M    1       VERSN                                    
REVDAT   1   14-OCT-00 1D6M    0                                                
JRNL        AUTH   A.MONDRAGON,R.DIGATE                                         
JRNL        TITL   THE STRUCTURE OF ESCHERICHIA COLI DNA TOPOISOMERASE III.     
JRNL        REF    STRUCTURE FOLD.DES.           V.   7  1373 1999              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   10574789                                                     
JRNL        DOI    10.1016/S0969-2126(00)80027-1                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 32569                          
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) : 0.239                           
REMARK   3   R VALUE            (WORKING SET) : 0.237                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1643                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4798                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 47.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 51.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.92000                                              
REMARK   3    B22 (A**2) : 1.92000                                              
REMARK   3    B33 (A**2) : -3.84000                                             
REMARK   3    B12 (A**2) : 8.16000                                              
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) : 0.007 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : 2.300 ; 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:                                           
REMARK   3  REFINEMENT DONE WITH REFMAC. THE SOLVENT CORRECTION WAS CALCULATED  
REMARK   3  WITH XPLOR                                                          
REMARK   3  AND APPLIED IN REFMAC.  FINAL PARAMETERS OBTAINED WITH CNS 0.4      
REMARK   4                                                                      
REMARK   4 1D6M COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-OCT-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009838.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAR-95                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.3                                
REMARK 200  NUMBER OF CRYSTALS USED        : 3                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : A1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.92                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : PRINCETON 2K                       
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 136735                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.9                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.08000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 0.0720                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.08                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 85.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.02600                            
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: NULL                         
REMARK 200 SOFTWARE USED: MLPHARE                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 79.22                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.92                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.65M NA, POTASSIUM PHOSPHATE, PH 6.3,   
REMARK 280  MICRODIALYSIS, TEMPERATURE 287K                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       36.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       72.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       54.00000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       90.00000            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       18.00000            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       36.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       72.00000            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       90.00000            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       54.00000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       18.00000            
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 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     ARG A   185                                                      
REMARK 465     ASN A   186                                                      
REMARK 465     ALA A   187                                                      
REMARK 465     GLY A   188                                                      
REMARK 465     TYR A   189                                                      
REMARK 465     GLN A   190                                                      
REMARK 465     PRO A   610                                                      
REMARK 465     VAL A   611                                                      
REMARK 465     ARG A   612                                                      
REMARK 465     GLN A   613                                                      
REMARK 465     PHE A   614                                                      
REMARK 465     ARG A   615                                                      
REMARK 465     GLY A   616                                                      
REMARK 465     ILE A   617                                                      
REMARK 465     VAL A   618                                                      
REMARK 465     ALA A   619                                                      
REMARK 465     PRO A   620                                                      
REMARK 465     GLY A   621                                                      
REMARK 465     SER A   622                                                      
REMARK 465     GLY A   623                                                      
REMARK 465     GLY A   624                                                      
REMARK 465     SER A   625                                                      
REMARK 465     ALA A   626                                                      
REMARK 465     ASP A   627                                                      
REMARK 465     LYS A   628                                                      
REMARK 465     LYS A   629                                                      
REMARK 465     LYS A   630                                                      
REMARK 465     ALA A   631                                                      
REMARK 465     ALA A   632                                                      
REMARK 465     PRO A   633                                                      
REMARK 465     ARG A   634                                                      
REMARK 465     LYS A   635                                                      
REMARK 465     ARG A   636                                                      
REMARK 465     SER A   637                                                      
REMARK 465     ALA A   638                                                      
REMARK 465     LYS A   639                                                      
REMARK 465     LYS A   640                                                      
REMARK 465     SER A   641                                                      
REMARK 465     PRO A   642                                                      
REMARK 465     PRO A   643                                                      
REMARK 465     ALA A   644                                                      
REMARK 465     ASP A   645                                                      
REMARK 465     GLU A   646                                                      
REMARK 465     VAL A   647                                                      
REMARK 465     GLY A   648                                                      
REMARK 465     SER A   649                                                      
REMARK 465     GLY A   650                                                      
REMARK 465     ALA A   651                                                      
REMARK 465     ILE A   652                                                      
REMARK 465     ALA A   653                                                      
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   2   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG A   2   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.5 DEGREES          
REMARK 500    ARG A 165   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ARG A 259   CD  -  NE  -  CZ  ANGL. DEV. =   8.4 DEGREES          
REMARK 500    ARG A 369   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ARG A 546   CD  -  NE  -  CZ  ANGL. DEV. =  10.4 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  20      152.49    -49.01                                   
REMARK 500    LYS A  21      -66.33    -28.46                                   
REMARK 500    PRO A  67      101.19    -57.24                                   
REMARK 500    PRO A 104       39.91    -87.62                                   
REMARK 500    ARG A 148       79.66   -109.97                                   
REMARK 500    ASP A 233        6.83     89.61                                   
REMARK 500    PRO A 242      150.07    -47.06                                   
REMARK 500    SER A 243     -179.65    -59.46                                   
REMARK 500    SER A 308      171.59    -53.29                                   
REMARK 500    THR A 322      -79.31    -71.20                                   
REMARK 500    ILE A 326      148.31   -174.61                                   
REMARK 500    TYR A 328      111.60    -35.74                                   
REMARK 500    GLN A 361      109.83     10.01                                   
REMARK 500    ASN A 370     -163.90    -60.72                                   
REMARK 500    ASP A 374       97.60   -164.96                                   
REMARK 500    ASP A 379      -83.53   -128.22                                   
REMARK 500    HIS A 382     -167.75   -121.42                                   
REMARK 500    GLN A 413      -15.78    -49.92                                   
REMARK 500    LYS A 431       -5.81     81.28                                   
REMARK 500    LYS A 477      152.24    168.05                                   
REMARK 500    GLU A 525      -71.28    -27.37                                   
REMARK 500    CYS A 586      140.48    177.32                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    PHE A 221         14.37                                           
REMARK 500    GLU A 338        -10.55                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1D6M A    1   653  UNP    P14294   TOP3_ECOLI       1    653             
SEQRES   1 A  653  MET ARG LEU PHE ILE ALA GLU LYS PRO SER LEU ALA ARG          
SEQRES   2 A  653  ALA ILE ALA ASP VAL LEU PRO LYS PRO HIS ARG LYS GLY          
SEQRES   3 A  653  ASP GLY PHE ILE GLU CYS GLY ASN GLY GLN VAL VAL THR          
SEQRES   4 A  653  TRP CYS ILE GLY HIS LEU LEU GLU GLN ALA GLN PRO ASP          
SEQRES   5 A  653  ALA TYR ASP SER ARG TYR ALA ARG TRP ASN LEU ALA ASP          
SEQRES   6 A  653  LEU PRO ILE VAL PRO GLU LYS TRP GLN LEU GLN PRO ARG          
SEQRES   7 A  653  PRO SER VAL THR LYS GLN LEU ASN VAL ILE LYS ARG PHE          
SEQRES   8 A  653  LEU HIS GLU ALA SER GLU ILE VAL HIS ALA GLY ASP PRO          
SEQRES   9 A  653  ASP ARG GLU GLY GLN LEU LEU VAL ASP GLU VAL LEU ASP          
SEQRES  10 A  653  TYR LEU GLN LEU ALA PRO GLU LYS ARG GLN GLN VAL GLN          
SEQRES  11 A  653  ARG CYS LEU ILE ASN ASP LEU ASN PRO GLN ALA VAL GLU          
SEQRES  12 A  653  ARG ALA ILE ASP ARG LEU ARG SER ASN SER GLU PHE VAL          
SEQRES  13 A  653  PRO LEU CYS VAL SER ALA LEU ALA ARG ALA ARG ALA ASP          
SEQRES  14 A  653  TRP LEU TYR GLY ILE ASN MET THR ARG ALA TYR THR ILE          
SEQRES  15 A  653  LEU GLY ARG ASN ALA GLY TYR GLN GLY VAL LEU SER VAL          
SEQRES  16 A  653  GLY ARG VAL GLN THR PRO VAL LEU GLY LEU VAL VAL ARG          
SEQRES  17 A  653  ARG ASP GLU GLU ILE GLU ASN PHE VAL ALA LYS ASP PHE          
SEQRES  18 A  653  PHE GLU VAL LYS ALA HIS ILE VAL THR PRO ALA ASP GLU          
SEQRES  19 A  653  ARG PHE THR ALA ILE TRP GLN PRO SER GLU ALA CYS GLU          
SEQRES  20 A  653  PRO TYR GLN ASP GLU GLU GLY ARG LEU LEU HIS ARG PRO          
SEQRES  21 A  653  LEU ALA GLU HIS VAL VAL ASN ARG ILE SER GLY GLN PRO          
SEQRES  22 A  653  ALA ILE VAL THR SER TYR ASN ASP LYS ARG GLU SER GLU          
SEQRES  23 A  653  SER ALA PRO LEU PRO PHE SER LEU SER ALA LEU GLN ILE          
SEQRES  24 A  653  GLU ALA ALA LYS ARG PHE GLY LEU SER ALA GLN ASN VAL          
SEQRES  25 A  653  LEU ASP ILE CYS GLN LYS LEU TYR GLU THR HIS LYS LEU          
SEQRES  26 A  653  ILE THR TYR PRO ARG SER ASP CYS ARG TYR LEU PRO GLU          
SEQRES  27 A  653  GLU HIS PHE ALA GLY ARG HIS ALA VAL MET ASN ALA ILE          
SEQRES  28 A  653  SER VAL HIS ALA PRO ASP LEU LEU PRO GLN PRO VAL VAL          
SEQRES  29 A  653  ASP PRO ASP ILE ARG ASN ARG CYS TRP ASP ASP LYS LYS          
SEQRES  30 A  653  VAL ASP ALA HIS HIS ALA ILE ILE PRO THR ALA ARG SER          
SEQRES  31 A  653  SER ALA ILE ASN LEU THR GLU ASN GLU ALA LYS VAL TYR          
SEQRES  32 A  653  ASN LEU ILE ALA ARG GLN TYR LEU MET GLN PHE CYS PRO          
SEQRES  33 A  653  ASP ALA VAL PHE ARG LYS CYS VAL ILE GLU LEU ASP ILE          
SEQRES  34 A  653  ALA LYS GLY LYS PHE VAL ALA LYS ALA ARG PHE LEU ALA          
SEQRES  35 A  653  GLU ALA GLY TRP ARG THR LEU LEU GLY SER LYS GLU ARG          
SEQRES  36 A  653  ASP GLU GLU ASN ASP GLY THR PRO LEU PRO VAL VAL ALA          
SEQRES  37 A  653  LYS GLY ASP GLU LEU LEU CYS GLU LYS GLY GLU VAL VAL          
SEQRES  38 A  653  GLU ARG GLN THR GLN PRO PRO ARG HIS PHE THR ASP ALA          
SEQRES  39 A  653  THR LEU LEU SER ALA MET THR GLY ILE ALA ARG PHE VAL          
SEQRES  40 A  653  GLN ASP LYS ASP LEU LYS LYS ILE LEU ARG ALA THR ASP          
SEQRES  41 A  653  GLY LEU GLY THR GLU ALA THR ARG ALA GLY ILE ILE GLU          
SEQRES  42 A  653  LEU LEU PHE LYS ARG GLY PHE LEU THR LYS LYS GLY ARG          
SEQRES  43 A  653  TYR ILE HIS SER THR ASP ALA GLY LYS ALA LEU PHE HIS          
SEQRES  44 A  653  SER LEU PRO GLU MET ALA THR ARG PRO ASP MET THR ALA          
SEQRES  45 A  653  HIS TRP GLU SER VAL LEU THR GLN ILE SER GLU LYS GLN          
SEQRES  46 A  653  CYS ARG TYR GLN ASP PHE MET GLN PRO LEU VAL GLY THR          
SEQRES  47 A  653  LEU TYR GLN LEU ILE ASP GLN ALA LYS ARG THR PRO VAL          
SEQRES  48 A  653  ARG GLN PHE ARG GLY ILE VAL ALA PRO GLY SER GLY GLY          
SEQRES  49 A  653  SER ALA ASP LYS LYS LYS ALA ALA PRO ARG LYS ARG SER          
SEQRES  50 A  653  ALA LYS LYS SER PRO PRO ALA ASP GLU VAL GLY SER GLY          
SEQRES  51 A  653  ALA ILE ALA                                                  
HELIX    1   1 LYS A    8  VAL A   18  1                                  11    
HELIX    2   2 GLN A   50  ASP A   55  1                                   6    
HELIX    3   3 SER A   56  ARG A   60  5                                   5    
HELIX    4   4 ASN A   62  LEU A   66  5                                   5    
HELIX    5   5 VAL A   81  ALA A   95  1                                  15    
HELIX    6   6 ASP A  105  LEU A  119  1                                  15    
HELIX    7   7 ALA A  122  GLN A  127  1                                   6    
HELIX    8   8 ASN A  138  ARG A  148  1                                  11    
HELIX    9   9 PHE A  155  GLY A  184  1                                  30    
HELIX   10  10 VAL A  198  ASN A  215  1                                  18    
HELIX   11  11 SER A  243  TYR A  249  5                                   7    
HELIX   12  12 HIS A  258  SER A  270  1                                  13    
HELIX   13  13 SER A  293  GLY A  306  1                                  14    
HELIX   14  14 SER A  308  THR A  322  1                                  15    
HELIX   15  15 PRO A  337  ALA A  342  5                                   6    
HELIX   16  16 GLY A  343  ALA A  355  1                                  13    
HELIX   17  17 ASP A  374  VAL A  378  5                                   5    
HELIX   18  18 THR A  396  GLN A  413  1                                  18    
HELIX   19  19 ALA A  444  LEU A  449  5                                   6    
HELIX   20  20 GLY A  451  ASP A  456  1                                   6    
HELIX   21  21 THR A  492  GLY A  502  1                                  11    
HELIX   22  22 ILE A  503  VAL A  507  5                                   5    
HELIX   23  23 ASP A  509  LEU A  516  1                                   8    
HELIX   24  24 ALA A  526  ARG A  538  1                                  13    
HELIX   25  25 THR A  551  LEU A  561  1                                  11    
HELIX   26  26 PRO A  562  ARG A  567  1                                   6    
HELIX   27  27 PRO A  568  GLU A  583  1                                  16    
HELIX   28  28 ARG A  587  THR A  609  1                                  23    
SHEET    1   A 7 ARG A  24  LYS A  25  0                                        
SHEET    2   A 7 ILE A  30  CYS A  32 -1  O  GLU A  31   N  ARG A  24           
SHEET    3   A 7 GLN A  36  TRP A  40 -1  O  GLN A  36   N  CYS A  32           
SHEET    4   A 7 ARG A   2  ALA A   6  1  O  ARG A   2   N  VAL A  37           
SHEET    5   A 7 GLU A  97  ALA A 101  1  O  GLU A  97   N  LEU A   3           
SHEET    6   A 7 GLN A 130  ARG A 131  1  O  GLN A 130   N  HIS A 100           
SHEET    7   A 7 ARG A 150  SER A 151 -1  O  ARG A 150   N  ARG A 131           
SHEET    1   B 2 LEU A  46  GLN A  48  0                                        
SHEET    2   B 2 LEU A  75  PRO A  77 -1  N  GLN A  76   O  GLU A  47           
SHEET    1   C 7 ASP A 220  VAL A 229  0                                        
SHEET    2   C 7 ARG A 235  TRP A 240 -1  O  PHE A 236   N  ILE A 228           
SHEET    3   C 7 ASP A 220  VAL A 229 -1  O  VAL A 224   N  TRP A 240           
SHEET    4   C 7 GLU A 472  GLN A 484 -1  N  LEU A 474   O  VAL A 229           
SHEET    5   C 7 PRO A 273  GLU A 286 -1  O  ALA A 274   N  LEU A 473           
SHEET    6   C 7 ALA A 418  ILE A 429 -1  N  ALA A 418   O  GLU A 286           
SHEET    7   C 7 GLY A 432  GLU A 443 -1  N  GLY A 432   O  ILE A 429           
SHEET    1   D 2 LEU A 541  LYS A 544  0                                        
SHEET    2   D 2 TYR A 547  SER A 550 -1  N  TYR A 547   O  LYS A 544           
CRYST1  236.000  236.000  108.000  90.00  90.00 120.00 P 61 2 2     12          
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      0.004237  0.002446  0.000000        0.00000                         
SCALE2      0.000000  0.004893  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009259        0.00000