PDB Short entry for 2Q7U
HEADER    HYDROLASE                               07-JUN-07   2Q7U              
TITLE     CRYSTAL STRUCTURE OF THE F PLASMID TRAI RELAXASE DOMAIN WITH THE      
TITLE    2 SCISSILE THYMIDINE BASE AND IMIDODIPHOSPHATE                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN TRAI;                                              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: RELAXASE DOMAIN (UNP RESIDUES 1-300);                      
COMPND   5 SYNONYM: DNA HELICASE I;                                             
COMPND   6 EC: 3.6.1.-;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 STRAIN: TRAI;                                                        
SOURCE   4 GENE: TRAI;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PTYB2                                     
KEYWDS    RELAXASE, HYDROLASE, CONJUGATION, ALTERNATIVE INITIATION, ATP-        
KEYWDS   2 BINDING, DNA-BINDING, HELICASE, NUCLEOTIDE-BINDING, PLASMID          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.A.LUJAN,M.R.REDINBO                                                 
REVDAT   4   30-AUG-23 2Q7U    1       REMARK                                   
REVDAT   3   20-OCT-21 2Q7U    1       REMARK SEQADV                            
REVDAT   2   24-FEB-09 2Q7U    1       VERSN                                    
REVDAT   1   20-MAY-08 2Q7U    0                                                
JRNL        AUTH   S.A.LUJAN,L.M.GUOGAS,H.RAGONESE,S.W.MATSON,M.R.REDINBO       
JRNL        TITL   DISRUPTING ANTIBIOTIC RESISTANCE PROPAGATION BY INHIBITING   
JRNL        TITL 2 THE CONJUGATIVE DNA RELAXASE.                                
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 104 12282 2007              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   17630285                                                     
JRNL        DOI    10.1073/PNAS.0702760104                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 38.23                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 116581.950                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 87.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 9059                           
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 SET) : 0.214                           
REMARK   3   FREE R VALUE                     : 0.312                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.400                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 941                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.010                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 3.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.19                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 68.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1035                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3210                       
REMARK   3   BIN FREE R VALUE                    : 0.4190                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.80                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 125                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.037                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4132                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 45                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 38.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -5.48000                                             
REMARK   3    B22 (A**2) : 32.74000                                             
REMARK   3    B33 (A**2) : -27.26000                                            
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.35                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.50                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.54                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.68                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.50                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.820                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.400 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.490 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.680 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.420 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.27                                                 
REMARK   3   BSOL        : 14.49                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA.PARAM                                  
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : PNP.PAR                                        
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : PNP.TOP                                        
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2Q7U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAR-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000043258.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-FEB-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
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) : 0.97173                            
REMARK 200  MONOCHROMATOR                  : SAGITALLY FOCUSED SI(220)          
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          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 10447                              
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     (%) : 92.8                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.13500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.6000                             
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) : 3.11                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 72.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.38200                            
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)                                         
REMARK 200 STARTING MODEL: PDB ENTRY 1P4D                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 33.20                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.84                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN BUFFER: 50 MM NACL, 10%          
REMARK 280  GLYCEROL, 10 MM TRIS-HCL PH 7.5, MOTHER LIQUOR: 75 MM SODIUM        
REMARK 280  NITRATE, 14% W/V PEG 3350, 10 MM SPERMINE, 110 UM ORIT DNA          
REMARK 280  SOAKED (24 HOURS): 200 MM AMMONIUM NITRATE, 40% W/V PEG 3350,       
REMARK 280  AND 1 MM N,N-IMIDOBISPHOSPHONATE (PNP), VAPOR DIFFUSION, HANGING    
REMARK 280  DROP, TEMPERATURE 298K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       22.25000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       63.95500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       43.15500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       63.95500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.25000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       43.15500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     ASP A   128                                                      
REMARK 465     GLY A   129                                                      
REMARK 465     SER A   238                                                      
REMARK 465     GLN A   239                                                      
REMARK 465     THR A   240                                                      
REMARK 465     ILE A   241                                                      
REMARK 465     ARG A   242                                                      
REMARK 465     GLU A   243                                                      
REMARK 465     ALA A   244                                                      
REMARK 465     VAL A   245                                                      
REMARK 465     GLY A   246                                                      
REMARK 465     GLU A   247                                                      
REMARK 465     ASP A   248                                                      
REMARK 465     ALA A   249                                                      
REMARK 465     SER A   250                                                      
REMARK 465     LEU A   251                                                      
REMARK 465     LYS A   252                                                      
REMARK 465     SER A   253                                                      
REMARK 465     ARG A   254                                                      
REMARK 465     ASP A   255                                                      
REMARK 465     VAL A   256                                                      
REMARK 465     ALA A   257                                                      
REMARK 465     ALA A   258                                                      
REMARK 465     LEU A   259                                                      
REMARK 465     ASP A   260                                                      
REMARK 465     THR A   261                                                      
REMARK 465     ARG A   262                                                      
REMARK 465     LYS A   263                                                      
REMARK 465     SER A   264                                                      
REMARK 465     LYS A   265                                                      
REMARK 465     GLN A   266                                                      
REMARK 465     HIS A   267                                                      
REMARK 465     SER A   301                                                      
REMARK 465     ASP B  1065                                                      
REMARK 465     LEU B  1066                                                      
REMARK 465     SER B  1067                                                      
REMARK 465     ARG B  1068                                                      
REMARK 465     MET B  1069                                                      
REMARK 465     GLN B  1070                                                      
REMARK 465     ASP B  1071                                                      
REMARK 465     GLY B  1072                                                      
REMARK 465     GLY B  1236                                                      
REMARK 465     ARG B  1237                                                      
REMARK 465     SER B  1238                                                      
REMARK 465     GLN B  1239                                                      
REMARK 465     THR B  1240                                                      
REMARK 465     ILE B  1241                                                      
REMARK 465     ARG B  1242                                                      
REMARK 465     GLU B  1243                                                      
REMARK 465     ALA B  1244                                                      
REMARK 465     VAL B  1245                                                      
REMARK 465     GLY B  1246                                                      
REMARK 465     GLU B  1247                                                      
REMARK 465     ASP B  1248                                                      
REMARK 465     ALA B  1249                                                      
REMARK 465     SER B  1250                                                      
REMARK 465     LEU B  1251                                                      
REMARK 465     LYS B  1252                                                      
REMARK 465     SER B  1253                                                      
REMARK 465     ARG B  1254                                                      
REMARK 465     ASP B  1255                                                      
REMARK 465     VAL B  1256                                                      
REMARK 465     ALA B  1257                                                      
REMARK 465     ALA B  1258                                                      
REMARK 465     LEU B  1259                                                      
REMARK 465     ASP B  1260                                                      
REMARK 465     THR B  1261                                                      
REMARK 465     ARG B  1262                                                      
REMARK 465     LYS B  1263                                                      
REMARK 465     GLN B  1266                                                      
REMARK 465     SER B  1301                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A  20    CG   CD   CE   NZ                                   
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    PRO B1227   C   -  N   -  CA  ANGL. DEV. =   9.0 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    SER A   9      136.10    175.86                                   
REMARK 500    ALA A  10      -83.95     -9.92                                   
REMARK 500    TYR A  17       -9.80    -50.29                                   
REMARK 500    ASP A  19      101.28    -57.90                                   
REMARK 500    LYS A  20      -20.91    -37.67                                   
REMARK 500    TYR A  23       40.89   -146.59                                   
REMARK 500    ASP A  99       74.44   -110.80                                   
REMARK 500    VAL A 114      -33.89    -39.66                                   
REMARK 500    THR A 136      -49.08   -137.63                                   
REMARK 500    LEU A 156      104.23    -58.51                                   
REMARK 500    ASP A 178       93.25   -170.08                                   
REMARK 500    VAL A 180     -102.44    -55.61                                   
REMARK 500    ALA A 191       32.05    -81.20                                   
REMARK 500    ASN A 192       13.52   -163.22                                   
REMARK 500    HIS A 221        8.37     57.08                                   
REMARK 500    MET A 223       93.59    -10.28                                   
REMARK 500    PRO A 230       43.59    -58.51                                   
REMARK 500    ASP A 269      123.29    176.89                                   
REMARK 500    GLU A 283       45.67    -92.16                                   
REMARK 500    ALA A 299      -84.17   -134.79                                   
REMARK 500    ASP B1019       96.15    -49.76                                   
REMARK 500    LYS B1020      -27.46    -32.17                                   
REMARK 500    ASP B1021       32.22    -91.43                                   
REMARK 500    ALA B1034      163.62    179.04                                   
REMARK 500    LYS B1049      -37.92    -36.62                                   
REMARK 500    THR B1053      -72.08    -56.24                                   
REMARK 500    GLU B1057       35.63    -86.37                                   
REMARK 500    PRO B1061       95.43    -68.16                                   
REMARK 500    ASP B1062       82.70     73.92                                   
REMARK 500    ASN B1074       79.65   -102.64                                   
REMARK 500    HIS B1076       37.30   -177.67                                   
REMARK 500    VAL B1125      110.50   -165.83                                   
REMARK 500    ASP B1128      -33.03     74.54                                   
REMARK 500    SER B1149     -160.32   -106.41                                   
REMARK 500    GLN B1152       38.85     80.51                                   
REMARK 500    ASN B1169       16.21     59.84                                   
REMARK 500    PRO B1227      124.05    -34.88                                   
REMARK 500    PRO B1230       33.80    -49.94                                   
REMARK 500    ALA B1233       -4.27    -56.31                                   
REMARK 500    VAL B1268       13.95   -142.49                                   
REMARK 500    ASP B1269      141.28     79.24                                   
REMARK 500    PRO B1270      -85.39    -68.62                                   
REMARK 500    ALA B1275      -30.32    -38.99                                   
REMARK 500    GLN B1279      -72.99    -62.50                                   
REMARK 500    ILE B1288      -75.02    -31.82                                   
REMARK 500    ARG B1292      -70.90    -54.09                                   
REMARK 500    ARG B1298      -77.87    -48.98                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     PON A 3002                                                       
REMARK 610     TMP A 2001                                                       
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 3001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PON A 3002                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMP A 2001                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1P4D   RELATED DB: PDB                                   
REMARK 900 APO F PLASMID TRAI                                                   
REMARK 900 RELATED ID: 1A0I   RELATED DB: PDB                                   
REMARK 900 F PLASMID TRAI WITH UNCLEAVED ORIT DNA                               
REMARK 900 RELATED ID: 1OMH   RELATED DB: PDB                                   
REMARK 900 METAL FREE R388 TRWC WITH ORIT DNA                                   
REMARK 900 RELATED ID: 1OSB   RELATED DB: PDB                                   
REMARK 900 METAL FREE R388 TRWC WITH ORIT DNA                                   
REMARK 900 RELATED ID: 1QX0   RELATED DB: PDB                                   
REMARK 900 R388 TRWC WITH ORIT DNA                                              
REMARK 900 RELATED ID: 2CDM   RELATED DB: PDB                                   
REMARK 900 R388 TRWC WITH ORIT DNA                                              
REMARK 900 RELATED ID: 2Q7T   RELATED DB: PDB                                   
DBREF  2Q7U A    1   300  UNP    P14565   TRAI1_ECOLI      1    300             
DBREF  2Q7U B 1001  1300  UNP    P14565   TRAI1_ECOLI      1    300             
SEQADV 2Q7U PHE A   16  UNP  P14565    TYR    16 ENGINEERED MUTATION            
SEQADV 2Q7U SER A  301  UNP  P14565              EXPRESSION TAG                 
SEQADV 2Q7U PHE B 1016  UNP  P14565    TYR    16 ENGINEERED MUTATION            
SEQADV 2Q7U SER B 1301  UNP  P14565              EXPRESSION TAG                 
SEQRES   1 A  301  MET MET SER ILE ALA GLN VAL ARG SER ALA GLY SER ALA          
SEQRES   2 A  301  GLY ASN PHE TYR THR ASP LYS ASP ASN TYR TYR VAL LEU          
SEQRES   3 A  301  GLY SER MET GLY GLU ARG TRP ALA GLY ARG GLY ALA GLU          
SEQRES   4 A  301  GLN LEU GLY LEU GLN GLY SER VAL ASP LYS ASP VAL PHE          
SEQRES   5 A  301  THR ARG LEU LEU GLU GLY ARG LEU PRO ASP GLY ALA ASP          
SEQRES   6 A  301  LEU SER ARG MET GLN ASP GLY SER ASN ARG HIS ARG PRO          
SEQRES   7 A  301  GLY TYR ASP LEU THR PHE SER ALA PRO LYS SER VAL SER          
SEQRES   8 A  301  MET MET ALA MET LEU GLY GLY ASP LYS ARG LEU ILE ASP          
SEQRES   9 A  301  ALA HIS ASN GLN ALA VAL ASP PHE ALA VAL ARG GLN VAL          
SEQRES  10 A  301  GLU ALA LEU ALA SER THR ARG VAL MET THR ASP GLY GLN          
SEQRES  11 A  301  SER GLU THR VAL LEU THR GLY ASN LEU VAL MET ALA LEU          
SEQRES  12 A  301  PHE ASN HIS ASP THR SER ARG ASP GLN GLU PRO GLN LEU          
SEQRES  13 A  301  HIS THR HIS ALA VAL VAL ALA ASN VAL THR GLN HIS ASN          
SEQRES  14 A  301  GLY GLU TRP LYS THR LEU SER SER ASP LYS VAL GLY LYS          
SEQRES  15 A  301  THR GLY PHE ILE GLU ASN VAL TYR ALA ASN GLN ILE ALA          
SEQRES  16 A  301  PHE GLY ARG LEU TYR ARG GLU LYS LEU LYS GLU GLN VAL          
SEQRES  17 A  301  GLU ALA LEU GLY TYR GLU THR GLU VAL VAL GLY LYS HIS          
SEQRES  18 A  301  GLY MET TRP GLU MET PRO GLY VAL PRO VAL GLU ALA PHE          
SEQRES  19 A  301  SER GLY ARG SER GLN THR ILE ARG GLU ALA VAL GLY GLU          
SEQRES  20 A  301  ASP ALA SER LEU LYS SER ARG ASP VAL ALA ALA LEU ASP          
SEQRES  21 A  301  THR ARG LYS SER LYS GLN HIS VAL ASP PRO GLU ILE LYS          
SEQRES  22 A  301  MET ALA GLU TRP MET GLN THR LEU LYS GLU THR GLY PHE          
SEQRES  23 A  301  ASP ILE ARG ALA TYR ARG ASP ALA ALA ASP GLN ARG ALA          
SEQRES  24 A  301  ASP SER                                                      
SEQRES   1 B  301  MET MET SER ILE ALA GLN VAL ARG SER ALA GLY SER ALA          
SEQRES   2 B  301  GLY ASN PHE TYR THR ASP LYS ASP ASN TYR TYR VAL LEU          
SEQRES   3 B  301  GLY SER MET GLY GLU ARG TRP ALA GLY ARG GLY ALA GLU          
SEQRES   4 B  301  GLN LEU GLY LEU GLN GLY SER VAL ASP LYS ASP VAL PHE          
SEQRES   5 B  301  THR ARG LEU LEU GLU GLY ARG LEU PRO ASP GLY ALA ASP          
SEQRES   6 B  301  LEU SER ARG MET GLN ASP GLY SER ASN ARG HIS ARG PRO          
SEQRES   7 B  301  GLY TYR ASP LEU THR PHE SER ALA PRO LYS SER VAL SER          
SEQRES   8 B  301  MET MET ALA MET LEU GLY GLY ASP LYS ARG LEU ILE ASP          
SEQRES   9 B  301  ALA HIS ASN GLN ALA VAL ASP PHE ALA VAL ARG GLN VAL          
SEQRES  10 B  301  GLU ALA LEU ALA SER THR ARG VAL MET THR ASP GLY GLN          
SEQRES  11 B  301  SER GLU THR VAL LEU THR GLY ASN LEU VAL MET ALA LEU          
SEQRES  12 B  301  PHE ASN HIS ASP THR SER ARG ASP GLN GLU PRO GLN LEU          
SEQRES  13 B  301  HIS THR HIS ALA VAL VAL ALA ASN VAL THR GLN HIS ASN          
SEQRES  14 B  301  GLY GLU TRP LYS THR LEU SER SER ASP LYS VAL GLY LYS          
SEQRES  15 B  301  THR GLY PHE ILE GLU ASN VAL TYR ALA ASN GLN ILE ALA          
SEQRES  16 B  301  PHE GLY ARG LEU TYR ARG GLU LYS LEU LYS GLU GLN VAL          
SEQRES  17 B  301  GLU ALA LEU GLY TYR GLU THR GLU VAL VAL GLY LYS HIS          
SEQRES  18 B  301  GLY MET TRP GLU MET PRO GLY VAL PRO VAL GLU ALA PHE          
SEQRES  19 B  301  SER GLY ARG SER GLN THR ILE ARG GLU ALA VAL GLY GLU          
SEQRES  20 B  301  ASP ALA SER LEU LYS SER ARG ASP VAL ALA ALA LEU ASP          
SEQRES  21 B  301  THR ARG LYS SER LYS GLN HIS VAL ASP PRO GLU ILE LYS          
SEQRES  22 B  301  MET ALA GLU TRP MET GLN THR LEU LYS GLU THR GLY PHE          
SEQRES  23 B  301  ASP ILE ARG ALA TYR ARG ASP ALA ALA ASP GLN ARG ALA          
SEQRES  24 B  301  ASP SER                                                      
HET     MG  A3001       1                                                       
HET    PON  A3002       5                                                       
HET    TMP  A2001      20                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     PON IMIDO DIPHOSPHATE                                                
HETNAM     TMP THYMIDINE-5'-PHOSPHATE                                           
FORMUL   3   MG    MG 2+                                                        
FORMUL   4  PON    H3 N O6 P2 2-                                                
FORMUL   5  TMP    C10 H15 N2 O8 P                                              
FORMUL   6  HOH   *45(H2 O)                                                     
HELIX    1   1 SER A    9  ASP A   19  1                                  11    
HELIX    2   2 LYS A   20  TYR A   24  5                                   5    
HELIX    3   3 GLY A   35  GLN A   40  1                                   6    
HELIX    4   4 ASP A   48  GLY A   58  1                                  11    
HELIX    5   5 PRO A   87  LEU A   96  1                                  10    
HELIX    6   6 ASP A   99  LEU A  120  1                                  22    
HELIX    7   7 GLY A  184  ALA A  191  1                                   8    
HELIX    8   8 ASN A  192  ALA A  210  1                                  19    
HELIX    9   9 GLY A  219  GLY A  222  5                                   4    
HELIX   10  10 PRO A  230  SER A  235  5                                   6    
HELIX   11  11 ASP A  269  GLU A  283  1                                  15    
HELIX   12  12 ASP A  287  ALA A  299  1                                  13    
HELIX   13  13 SER B 1009  ASP B 1019  1                                  11    
HELIX   14  14 LYS B 1020  TYR B 1023  5                                   4    
HELIX   15  15 GLY B 1035  GLN B 1040  1                                   6    
HELIX   16  16 ASP B 1048  GLU B 1057  1                                  10    
HELIX   17  17 PRO B 1087  LEU B 1096  1                                  10    
HELIX   18  18 LYS B 1100  GLU B 1118  1                                  19    
HELIX   19  19 MET B 1126  GLN B 1130  5                                   5    
HELIX   20  20 GLY B 1184  ASN B 1192  1                                   9    
HELIX   21  21 ASN B 1192  LEU B 1211  1                                  20    
HELIX   22  22 VAL B 1231  SER B 1235  5                                   5    
HELIX   23  23 ASP B 1269  GLU B 1283  1                                  15    
HELIX   24  24 ASP B 1287  ASP B 1300  1                                  14    
SHEET    1   A 5 MET A   2  GLN A   6  0                                        
SHEET    2   A 5 GLY A  79  SER A  85 -1  O  ASP A  81   N  ALA A   5           
SHEET    3   A 5 HIS A 157  ALA A 163 -1  O  ALA A 160   N  LEU A  82           
SHEET    4   A 5 VAL A 140  HIS A 146 -1  N  PHE A 144   O  HIS A 159           
SHEET    5   A 5 ARG A  32  ALA A  34 -1  N  ARG A  32   O  LEU A 143           
SHEET    1   B 2 MET A  69  GLN A  70  0                                        
SHEET    2   B 2 SER A  73  ASN A  74 -1  O  SER A  73   N  GLN A  70           
SHEET    1   C 2 SER A 122  VAL A 125  0                                        
SHEET    2   C 2 GLU A 132  LEU A 135 -1  O  GLU A 132   N  VAL A 125           
SHEET    1   D 2 THR A 166  HIS A 168  0                                        
SHEET    2   D 2 GLU A 171  LYS A 173 -1  O  GLU A 171   N  HIS A 168           
SHEET    1   E 2 GLU A 216  VAL A 217  0                                        
SHEET    2   E 2 TRP A 224  GLU A 225 -1  O  GLU A 225   N  GLU A 216           
SHEET    1   F 5 MET B1002  GLN B1006  0                                        
SHEET    2   F 5 GLY B1079  SER B1085 -1  O  ASP B1081   N  ALA B1005           
SHEET    3   F 5 PRO B1154  ALA B1163 -1  O  VAL B1162   N  TYR B1080           
SHEET    4   F 5 MET B1141  THR B1148 -1  N  ASP B1147   O  GLN B1155           
SHEET    5   F 5 ARG B1032  ALA B1034 -1  N  ARG B1032   O  LEU B1143           
SHEET    1   G 2 SER B1122  THR B1123  0                                        
SHEET    2   G 2 VAL B1134  LEU B1135 -1  O  VAL B1134   N  THR B1123           
SHEET    1   H 2 GLU B1216  VAL B1217  0                                        
SHEET    2   H 2 TRP B1224  GLU B1225 -1  O  GLU B1225   N  GLU B1216           
SITE     1 AC1  4 PHE A  16  HIS A 146  HIS A 157  HIS A 159                    
SITE     1 AC2  5 ASN A  22  HIS A 146  ASP A 147  THR A 148                    
SITE     2 AC2  5 SER A 149                                                     
SITE     1 AC3  3 PHE A  16  ARG A  68  ARG A 150                               
CRYST1   44.500   86.310  127.910  90.00  90.00  90.00 P 21 21 21    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      0.022472  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011586  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007818        0.00000