PDB Short entry for 2F7T
HEADER    DNA BINDING PROTEIN                     01-DEC-05   2F7T              
TITLE     CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF MOS1 MARINER TRANSPOSASE 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MOS1 TRANSPOSASE;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC DOMAIN;                                          
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: DROSOPHILA MAURITIANA;                          
SOURCE   3 ORGANISM_TAXID: 7226;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3), B834(DE3);                      
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PBCP378                                   
KEYWDS    RNASE-H LIKE FOLD, DDD MOTIF, DNA BINDING PROTEIN                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.M.RICHARDSON,A.DAWSON,P.TAYLOR,D.J.FINNEGAN,M.D.WALKINSHAW          
REVDAT   3   14-FEB-24 2F7T    1       REMARK LINK                              
REVDAT   2   24-FEB-09 2F7T    1       VERSN                                    
REVDAT   1   28-MAR-06 2F7T    0                                                
JRNL        AUTH   J.M.RICHARDSON,A.DAWSON,N.O'HAGAN,P.TAYLOR,D.J.FINNEGAN,     
JRNL        AUTH 2 M.D.WALKINSHAW                                               
JRNL        TITL   MECHANISM OF MOS1 TRANSPOSITION: INSIGHTS FROM STRUCTURAL    
JRNL        TITL 2 ANALYSIS                                                     
JRNL        REF    EMBO J.                       V.  25  1324 2006              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   16511570                                                     
JRNL        DOI    10.1038/SJ.EMBOJ.7601018                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.25 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0003                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD WITH PHASES                
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 9749                           
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) : 0.193                           
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.277                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 490                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.25                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.31                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 580                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 82.52                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1920                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 29                           
REMARK   3   BIN FREE R VALUE                    : 0.4830                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1742                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 115                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 34.57                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.52000                                             
REMARK   3    B22 (A**2) : -0.52000                                             
REMARK   3    B33 (A**2) : 1.04000                                              
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): 0.391         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.279         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.179         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.049         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.944                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.901                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1795 ; 0.025 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2429 ; 2.017 ; 1.910       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   202 ; 6.755 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    99 ;35.876 ;22.828       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   311 ;18.797 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    17 ;20.651 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   242 ; 0.143 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1400 ; 0.010 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   806 ; 0.242 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1204 ; 0.319 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    90 ; 0.194 ; 0.200       
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):    66 ; 0.230 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    19 ; 0.223 ; 0.200       
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):  1052 ; 1.746 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1647 ; 2.908 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   876 ; 3.812 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   782 ; 6.102 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2F7T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-DEC-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000035558.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-JUN-04; 24-JUN-04               
REMARK 200  TEMPERATURE           (KELVIN) : 100; 100                           
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : ESRF; ESRF                         
REMARK 200  BEAMLINE                       : ID29; ID29                         
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97624; 0.97868, 0.97939,         
REMARK 200                                   0.9750                             
REMARK 200  MONOCHROMATOR                  : NULL; NULL                         
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; CCD                           
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4; ADSC QUANTUM 4     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 10257                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.250                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.1                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.13000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.35                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 85.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; MAD                         
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 33.67                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.85                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 24-26% PEG 4000, 0.1M TRIS, 0.005M       
REMARK 280  MGCL2, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 290K      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      103.02350            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       22.12150            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       22.12150            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       51.51175            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       22.12150            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       22.12150            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      154.53525            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       22.12150            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       22.12150            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       51.51175            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       22.12150            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       22.12150            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      154.53525            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      103.02350            
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 300 REMARK: THE PUTATIVE DIMER OF CATALYTIC DOMAINS IS GENERATED BY THE  
REMARK 300 TWO FOLD AXIS: Y, X, -Z.                                             
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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   BIOMT1   2  0.000000  1.000000  0.000000       44.24300            
REMARK 350   BIOMT2   2  1.000000  0.000000  0.000000      -44.24300            
REMARK 350   BIOMT3   2  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     LYS A   166                                                      
REMARK 465     ARG A   167                                                      
REMARK 465     LYS A   168                                                      
REMARK 465     LYS A   169                                                      
REMARK 465     SER A   170                                                      
REMARK 465     TYR A   171                                                      
REMARK 465     VAL A   172                                                      
REMARK 465     ASP A   173                                                      
REMARK 465     PRO A   174                                                      
REMARK 465     GLY A   175                                                      
REMARK 465     GLN A   176                                                      
REMARK 465     PRO A   177                                                      
REMARK 465     ALA A   178                                                      
REMARK 465     THR A   179                                                      
REMARK 465     SER A   180                                                      
REMARK 465     THR A   181                                                      
REMARK 465     ALA A   182                                                      
REMARK 465     ARG A   183                                                      
REMARK 465     PRO A   184                                                      
REMARK 465     ASN A   185                                                      
REMARK 465     ARG A   186                                                      
REMARK 465     PHE A   187                                                      
REMARK 465     GLY A   188                                                      
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   NH2  ARG A   240     O    HOH A  1111              2.02            
REMARK 500   O    HOH A  1001     O    HOH A  1097              2.07            
REMARK 500   O    ALA A   274     O    HOH A  1001              2.13            
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    GLU A 320   CG    GLU A 320   CD      0.104                       
REMARK 500    GLU A 320   CD    GLU A 320   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    ARG A 132   NE  -  CZ  -  NH1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ARG A 132   NE  -  CZ  -  NH2 ANGL. DEV. =  -9.8 DEGREES          
REMARK 500    ASP A 279   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP A 284   CB  -  CG  -  OD2 ANGL. DEV. =   7.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    HIS A 122      131.72    -38.44                                   
REMARK 500    PRO A 210      127.25    -29.62                                   
REMARK 500    TYR A 276       40.48     71.39                                   
REMARK 500    GLU A 297        2.28    -69.49                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A1745  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 156   OD1                                                    
REMARK 620 2 ASP A 249   OD2  92.3                                              
REMARK 620 3 HOH A1059   O   171.5  96.2                                        
REMARK 620 4 HOH A1066   O    81.5 171.8  90.0                                  
REMARK 620 5 HOH A1067   O    85.2  98.9  93.1  86.0                            
REMARK 620 6 HOH A1070   O    98.4  88.4  82.2  87.2 171.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1745                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE SEQUENCE OF THE PROTEIN HAS NOT BEEN DEPOSITED INTO              
REMARK 999 ANY SEQUENCE DATABASE AT THE TIME OF PROCESSING.                     
DBREF  2F7T A  119   345  UNP    O61446   O61446_DROSE   119    345             
SEQRES   1 A  227  TRP VAL PRO HIS GLU LEU ASN GLU ARG GLN MET GLU ARG          
SEQRES   2 A  227  ARG LYS ASN THR CYS GLU ILE LEU LEU SER ARG TYR LYS          
SEQRES   3 A  227  ARG LYS SER PHE LEU HIS ARG ILE VAL THR GLY ASP GLU          
SEQRES   4 A  227  LYS TRP ILE PHE PHE VAL ASN PRO LYS ARG LYS LYS SER          
SEQRES   5 A  227  TYR VAL ASP PRO GLY GLN PRO ALA THR SER THR ALA ARG          
SEQRES   6 A  227  PRO ASN ARG PHE GLY LYS LYS THR MET LEU CYS VAL TRP          
SEQRES   7 A  227  TRP ASP GLN SER GLY VAL ILE TYR TYR GLU LEU LEU LYS          
SEQRES   8 A  227  PRO GLY GLU THR VAL ASN ALA ALA ARG TYR GLN GLN GLN          
SEQRES   9 A  227  LEU ILE ASN LEU ASN ARG ALA LEU GLN ARG LYS ARG PRO          
SEQRES  10 A  227  GLU TYR GLN LYS ARG GLN HIS ARG VAL ILE PHE LEU HIS          
SEQRES  11 A  227  ASP ASN ALA PRO SER HIS THR ALA ARG ALA VAL ARG ASP          
SEQRES  12 A  227  THR LEU GLU THR LEU ASN TRP GLU VAL LEU PRO HIS ALA          
SEQRES  13 A  227  ALA TYR SER PRO ASP LEU ALA PRO SER ASP TYR HIS LEU          
SEQRES  14 A  227  PHE ALA SER MET GLY HIS ALA LEU ALA GLU GLN ARG PHE          
SEQRES  15 A  227  ASP SER TYR GLU SER VAL LYS LYS TRP LEU ASP GLU TRP          
SEQRES  16 A  227  PHE ALA ALA LYS ASP ASP GLU PHE TYR TRP ARG GLY ILE          
SEQRES  17 A  227  HIS LYS LEU PRO GLU ARG TRP GLU LYS CYS VAL ALA SER          
SEQRES  18 A  227  ASP GLY LYS TYR PHE GLU                                      
HET     MG  A1745       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  HOH   *115(H2 O)                                                    
HELIX    1   1 ASN A  125  LYS A  146  1                                  22    
HELIX    2   2 PHE A  148  HIS A  150  5                                   3    
HELIX    3   3 ASN A  215  ARG A  234  1                                  20    
HELIX    4   4 ARG A  234  LYS A  239  1                                   6    
HELIX    5   5 ALA A  251  THR A  255  5                                   5    
HELIX    6   6 ALA A  256  ASN A  267  1                                  12    
HELIX    7   7 SER A  277  LEU A  280  5                                   4    
HELIX    8   8 ALA A  281  HIS A  286  1                                   6    
HELIX    9   9 HIS A  286  GLU A  297  1                                  12    
HELIX   10  10 SER A  302  LYS A  317  1                                  16    
HELIX   11  11 ASP A  318  LYS A  328  1                                  11    
HELIX   12  12 LYS A  328  SER A  339  1                                  12    
SHEET    1   A 5 GLY A 201  LEU A 207  0                                        
SHEET    2   A 5 LYS A 190  ASP A 198 -1  N  CYS A 194   O  GLU A 206           
SHEET    3   A 5 ILE A 152  PHE A 161 -1  N  LYS A 158   O  LEU A 193           
SHEET    4   A 5 ILE A 245  LEU A 247  1  O  ILE A 245   N  VAL A 153           
SHEET    5   A 5 GLU A 269  VAL A 270  1  O  GLU A 269   N  PHE A 246           
LINK         OD1 ASP A 156                MG    MG A1745     1555   1555  2.19  
LINK         OD2 ASP A 249                MG    MG A1745     1555   1555  2.06  
LINK         O   HOH A1059                MG    MG A1745     1555   1555  2.22  
LINK         O   HOH A1066                MG    MG A1745     1555   1555  2.00  
LINK         O   HOH A1067                MG    MG A1745     1555   1555  2.08  
LINK         O   HOH A1070                MG    MG A1745     1555   1555  2.06  
SITE     1 AC1  6 ASP A 156  ASP A 249  HOH A1059  HOH A1066                    
SITE     2 AC1  6 HOH A1067  HOH A1070                                          
CRYST1   44.243   44.243  206.047  90.00  90.00  90.00 P 41 21 2     8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.022602  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.022602  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004853        0.00000