HEADER    DNA BINDING PROTEIN/DNA                 26-JAN-04   1S6M              
TITLE     CONJUGATIVE RELAXASE TRWC IN COMPLEX WITH ORIT DNA. METAL-BOUND       
TITLE    2 STRUCTURE                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (25-MER);                                              
COMPND   3 CHAIN: B;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: TRWC;                                                      
COMPND   7 CHAIN: A;                                                            
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   5 ORGANISM_TAXID: 562;                                                 
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PROTEIN-DNA COMPLEX, BACTERIAL CONJUGATION, RELAXASE, DNA             
KEYWDS   2 REPLICATION, DNA BINDING PROTEIN-DNA COMPLEX                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.GUASCH,M.LUCAS,G.MONCALIAN,M.CABEZAS,R.PEREZ-LUQUE,F.X.GOMIS-RUTH,  
AUTHOR   2 F.DE LA CRUZ,M.COLL                                                  
REVDAT   5   30-OCT-24 1S6M    1       REMARK                                   
REVDAT   4   15-NOV-23 1S6M    1       REMARK                                   
REVDAT   3   23-AUG-23 1S6M    1       REMARK SEQADV LINK                       
REVDAT   2   30-DEC-08 1S6M    1       JRNL   VERSN                             
REVDAT   1   14-JUN-05 1S6M    0                                                
JRNL        AUTH   R.BOER,S.RUSSI,A.GUASCH,M.LUCAS,A.G.BLANCO,R.PEREZ-LUQUE,    
JRNL        AUTH 2 M.COLL,F.DE LA CRUZ                                          
JRNL        TITL   UNVEILING THE MOLECULAR MECHANISM OF A CONJUGATIVE RELAXASE: 
JRNL        TITL 2 THE STRUCTURE OF TRWC COMPLEXED WITH A 27-MER DNA COMPRISING 
JRNL        TITL 3 THE RECOGNITION HAIRPIN AND THE CLEAVAGE SITE.               
JRNL        REF    J.MOL.BIOL.                   V. 358   857 2006              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   16540117                                                     
JRNL        DOI    10.1016/J.JMB.2006.02.018                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.28 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) : 2.28                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 43.85                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 24598                          
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) : 0.206                           
REMARK   3   R VALUE            (WORKING SET) : 0.206                           
REMARK   3   FREE R VALUE                     : 0.245                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 2429                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2276                                    
REMARK   3   NUCLEIC ACID ATOMS       : 512                                     
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 162                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1S6M COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-FEB-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000021432.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-MAR-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM14                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.983994                           
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 24598                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.280                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.264                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
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         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 1OMH                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 61.28                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.18                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEGMM 2000, 0.2 M AMMONIUM           
REMARK 280  SULPHATE, 0.1 M SODIUM ACETATE, PH 4.6, VAPOR DIFFUSION, HANGING    
REMARK 280  DROP, TEMPERATURE 296K                                              
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       69.61833            
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      139.23667            
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      104.42750            
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      174.04583            
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       34.80917            
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       69.61833            
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      139.23667            
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      174.04583            
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      104.42750            
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       34.80917            
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: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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     TYR A    27                                                      
REMARK 465     ALA A    28                                                      
REMARK 465     LYS A    29                                                      
REMARK 465     ASP A    30                                                      
REMARK 465     GLY A    31                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480      DA B   11   O5'  C5'  C3'                                       
REMARK 480     ARG A   14   CG   CD   CZ   NH1  NH2                             
REMARK 480     GLY A   64   CA   C    O                                         
REMARK 480     GLY A   66   N                                                   
REMARK 480     LYS A  108   NZ                                                  
REMARK 480     ARG A  156   NH1  NH2                                            
REMARK 480     TRP A  177   C                                                   
REMARK 480     LYS A  258   NZ                                                  
REMARK 480     LYS A  269   CG   CD   CE   NZ                                   
REMARK 480     GLU A  275   OE1  OE2                                            
REMARK 480     LYS A  286   CD   CE   NZ                                        
REMARK 480     SER A  293   OXT                                                 
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     DT B  14   C6     DT B  14   N1     -0.065                       
REMARK 500    TYR A  26   CB    TYR A  26   CG      0.250                       
REMARK 500    TYR A  26   CD1   TYR A  26   CE1     0.162                       
REMARK 500    TYR A  26   CE2   TYR A  26   CD2     0.127                       
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     DG B   1   N9  -  C1' -  C2' ANGL. DEV. =   8.9 DEGREES          
REMARK 500     DG B   1   O4' -  C1' -  N9  ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DC B   2   C2' -  C3' -  O3' ANGL. DEV. = -25.1 DEGREES          
REMARK 500     DG B   3   O4' -  C1' -  C2' ANGL. DEV. =   3.5 DEGREES          
REMARK 500     DG B   3   N9  -  C1' -  C2' ANGL. DEV. =  12.8 DEGREES          
REMARK 500     DG B   3   O4' -  C1' -  N9  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DA B   5   N9  -  C1' -  C2' ANGL. DEV. =   9.9 DEGREES          
REMARK 500     DC B   6   C2' -  C3' -  O3' ANGL. DEV. = -23.2 DEGREES          
REMARK 500     DC B   6   O4' -  C1' -  C2' ANGL. DEV. =   4.8 DEGREES          
REMARK 500     DC B   6   N1  -  C1' -  C2' ANGL. DEV. =  10.7 DEGREES          
REMARK 500     DC B   6   O4' -  C1' -  N1  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DA B   9   N9  -  C1' -  C2' ANGL. DEV. =   9.6 DEGREES          
REMARK 500     DA B  10   N9  -  C1' -  C2' ANGL. DEV. =   9.7 DEGREES          
REMARK 500     DG B  12   O4' -  C1' -  N9  ANGL. DEV. =   2.7 DEGREES          
REMARK 500     DT B  14   O4' -  C1' -  N1  ANGL. DEV. =   3.6 DEGREES          
REMARK 500     DT B  14   C6  -  C5  -  C7  ANGL. DEV. =   4.6 DEGREES          
REMARK 500     DC B  16   O4' -  C1' -  C2' ANGL. DEV. =   3.0 DEGREES          
REMARK 500     DC B  16   N1  -  C1' -  C2' ANGL. DEV. =  10.5 DEGREES          
REMARK 500     DC B  16   O4' -  C1' -  N1  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DT B  18   O4' -  C1' -  C2' ANGL. DEV. =   3.0 DEGREES          
REMARK 500     DT B  18   N1  -  C1' -  C2' ANGL. DEV. =  10.3 DEGREES          
REMARK 500     DT B  18   O4' -  C1' -  N1  ANGL. DEV. =   4.6 DEGREES          
REMARK 500     DA B  19   N9  -  C1' -  C2' ANGL. DEV. =  10.8 DEGREES          
REMARK 500     DA B  19   C8  -  N9  -  C1' ANGL. DEV. =  11.7 DEGREES          
REMARK 500     DA B  19   C4  -  N9  -  C1' ANGL. DEV. = -12.3 DEGREES          
REMARK 500     DT B  20   C2' -  C3' -  O3' ANGL. DEV. = -18.6 DEGREES          
REMARK 500     DT B  20   O4' -  C1' -  N1  ANGL. DEV. =   2.8 DEGREES          
REMARK 500     DT B  20   C6  -  C5  -  C7  ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ASP A  25   N   -  CA  -  C   ANGL. DEV. = -18.4 DEGREES          
REMARK 500    TYR A  26   CA  -  CB  -  CG  ANGL. DEV. =  14.8 DEGREES          
REMARK 500    TYR A  26   N   -  CA  -  C   ANGL. DEV. =  25.2 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    MSE A   5      113.14   -164.03                                   
REMARK 500    ASP A  21     -172.73    -68.13                                   
REMARK 500    GLU A  65       -9.07     14.51                                   
REMARK 500    GLN A 159       82.27   -156.51                                   
REMARK 500    LYS A 215      -23.19    174.76                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500     DG B   1         0.06    SIDE CHAIN                              
REMARK 500     DC B   2         0.09    SIDE CHAIN                              
REMARK 500     DA B   5         0.06    SIDE CHAIN                              
REMARK 500     DG B   8         0.09    SIDE CHAIN                              
REMARK 500     DA B   9         0.08    SIDE CHAIN                              
REMARK 500     DG B  13         0.08    SIDE CHAIN                              
REMARK 500     DG B  15         0.10    SIDE CHAIN                              
REMARK 500     DG B  17         0.05    SIDE CHAIN                              
REMARK 500     DA B  19         0.07    SIDE CHAIN                              
REMARK 500     DT B  20         0.06    SIDE CHAIN                              
REMARK 500     DT B  21         0.06    SIDE CHAIN                              
REMARK 500     DG B  22         0.09    SIDE CHAIN                              
REMARK 500     DT B  23         0.08    SIDE CHAIN                              
REMARK 500     DC B  24         0.07    SIDE CHAIN                              
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                              NI A 500  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 150   ND1                                                    
REMARK 620 2 HIS A 161   NE2 106.2                                              
REMARK 620 3 HIS A 163   NE2  91.5  96.7                                        
REMARK 620 4 HOH A 501   O   165.6  87.8  90.2                                  
REMARK 620 5 HOH A 502   O    85.5 168.3  82.7  80.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 500                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1OMH   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1OSB   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1QX0   RELATED DB: PDB                                   
DBREF  1S6M A    1   293  UNP    Q47673   Q47673_ECOLI     1    293             
DBREF  1S6M B    1    25  PDB    1S6M     1S6M             1     25             
SEQADV 1S6M MSE A    1  UNP  Q47673    MET     1 MODIFIED RESIDUE               
SEQADV 1S6M MSE A    5  UNP  Q47673    MET     5 MODIFIED RESIDUE               
SEQADV 1S6M MSE A   70  UNP  Q47673    MET    70 MODIFIED RESIDUE               
SEQADV 1S6M MSE A  169  UNP  Q47673    MET   169 MODIFIED RESIDUE               
SEQRES   1 B   25   DG  DC  DG  DC  DA  DC  DC  DG  DA  DA  DA  DG  DG          
SEQRES   2 B   25   DT  DG  DC  DG  DT  DA  DT  DT  DG  DT  DC  DT              
SEQRES   1 A  293  MSE LEU SER HIS MSE VAL LEU THR ARG GLN ASP ILE GLY          
SEQRES   2 A  293  ARG ALA ALA SER TYR TYR GLU ASP GLY ALA ASP ASP TYR          
SEQRES   3 A  293  TYR ALA LYS ASP GLY ASP ALA SER GLU TRP GLN GLY LYS          
SEQRES   4 A  293  GLY ALA GLU GLU LEU GLY LEU SER GLY GLU VAL ASP SER          
SEQRES   5 A  293  LYS ARG PHE ARG GLU LEU LEU ALA GLY ASN ILE GLY GLU          
SEQRES   6 A  293  GLY HIS ARG ILE MSE ARG SER ALA THR ARG GLN ASP SER          
SEQRES   7 A  293  LYS GLU ARG ILE GLY LEU ASP LEU THR PHE SER ALA PRO          
SEQRES   8 A  293  LYS SER VAL SER LEU GLN ALA LEU VAL ALA GLY ASP ALA          
SEQRES   9 A  293  GLU ILE ILE LYS ALA HIS ASP ARG ALA VAL ALA ARG THR          
SEQRES  10 A  293  LEU GLU GLN ALA GLU ALA ARG ALA GLN ALA ARG GLN LYS          
SEQRES  11 A  293  ILE GLN GLY LYS THR ARG ILE GLU THR THR GLY ASN LEU          
SEQRES  12 A  293  VAL ILE GLY LYS PHE ARG HIS GLU THR SER ARG GLU ARG          
SEQRES  13 A  293  ASP PRO GLN LEU HIS THR HIS ALA VAL ILE LEU ASN MSE          
SEQRES  14 A  293  THR LYS ARG SER ASP GLY GLN TRP ARG ALA LEU LYS ASN          
SEQRES  15 A  293  ASP GLU ILE VAL LYS ALA THR ARG TYR LEU GLY ALA VAL          
SEQRES  16 A  293  TYR ASN ALA GLU LEU ALA HIS GLU LEU GLN LYS LEU GLY          
SEQRES  17 A  293  TYR GLN LEU ARG TYR GLY LYS ASP GLY ASN PHE ASP LEU          
SEQRES  18 A  293  ALA HIS ILE ASP ARG GLN GLN ILE GLU GLY PHE SER LYS          
SEQRES  19 A  293  ARG THR GLU GLN ILE ALA GLU TRP TYR ALA ALA ARG GLY          
SEQRES  20 A  293  LEU ASP PRO ASN SER VAL SER LEU GLU GLN LYS GLN ALA          
SEQRES  21 A  293  ALA LYS VAL LEU SER ARG ALA LYS LYS THR SER VAL ASP          
SEQRES  22 A  293  ARG GLU ALA LEU ARG ALA GLU TRP GLN ALA THR ALA LYS          
SEQRES  23 A  293  GLU LEU GLY ILE ASP PHE SER                                  
MODRES 1S6M MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 1S6M MSE A    5  MET  SELENOMETHIONINE                                   
MODRES 1S6M MSE A   70  MET  SELENOMETHIONINE                                   
MODRES 1S6M MSE A  169  MET  SELENOMETHIONINE                                   
HET    MSE  A   1       8                                                       
HET    MSE  A   5       8                                                       
HET    MSE  A  70       8                                                       
HET    MSE  A 169       8                                                       
HET     NI  A 500       1                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM      NI NICKEL (II) ION                                                  
FORMUL   2  MSE    4(C5 H11 N O2 SE)                                            
FORMUL   3   NI    NI 2+                                                        
FORMUL   4  HOH   *162(H2 O)                                                    
HELIX    1   1 ASP A   11  ALA A   16  1                                   6    
HELIX    2   2 GLY A   38  LEU A   44  1                                   7    
HELIX    3   3 ASP A   51  ALA A   60  1                                  10    
HELIX    4   4 PRO A   91  VAL A  100  1                                  10    
HELIX    5   5 ASP A  103  ALA A  123  1                                  21    
HELIX    6   6 ASN A  182  LYS A  187  1                                   6    
HELIX    7   7 ALA A  188  LYS A  206  1                                  19    
HELIX    8   8 ASP A  225  GLY A  231  1                                   7    
HELIX    9   9 SER A  233  ARG A  246  1                                  14    
HELIX   10  10 ASP A  249  VAL A  253  5                                   5    
HELIX   11  11 SER A  254  SER A  265  1                                  12    
HELIX   12  12 ASP A  273  LEU A  288  1                                  16    
SHEET    1   A 5 LEU A   2  THR A   8  0                                        
SHEET    2   A 5 ARG A  81  SER A  89 -1  O  GLY A  83   N  LEU A   7           
SHEET    3   A 5 PRO A 158  LEU A 167 -1  O  ILE A 166   N  LEU A  84           
SHEET    4   A 5 ILE A 145  THR A 152 -1  N  HIS A 150   O  HIS A 161           
SHEET    5   A 5 SER A  34  GLN A  37 -1  N  GLU A  35   O  LYS A 147           
SHEET    1   B 2 GLN A 126  ILE A 131  0                                        
SHEET    2   B 2 LYS A 134  THR A 139 -1  O  GLU A 138   N  ALA A 127           
SHEET    1   C 2 THR A 170  LYS A 171  0                                        
SHEET    2   C 2 TRP A 177  ARG A 178 -1  O  ARG A 178   N  THR A 170           
SHEET    1   D 2 LEU A 211  TYR A 213  0                                        
SHEET    2   D 2 PHE A 219  LEU A 221 -1  O  ASP A 220   N  ARG A 212           
LINK         C   MSE A   1                 N   LEU A   2     1555   1555  1.33  
LINK         C   HIS A   4                 N   MSE A   5     1555   1555  1.32  
LINK         C   MSE A   5                 N   VAL A   6     1555   1555  1.33  
LINK         C   ILE A  69                 N   MSE A  70     1555   1555  1.33  
LINK         C   MSE A  70                 N   ARG A  71     1555   1555  1.33  
LINK         C   ASN A 168                 N   MSE A 169     1555   1555  1.33  
LINK         C   MSE A 169                 N   THR A 170     1555   1555  1.33  
LINK         ND1 HIS A 150                NI    NI A 500     1555   1555  2.14  
LINK         NE2 HIS A 161                NI    NI A 500     1555   1555  2.17  
LINK         NE2 HIS A 163                NI    NI A 500     1555   1555  2.26  
LINK        NI    NI A 500                 O   HOH A 501     1555   1555  2.26  
LINK        NI    NI A 500                 O   HOH A 502     1555   1555  2.28  
SITE     1 AC1  5 HIS A 150  HIS A 161  HIS A 163  HOH A 501                    
SITE     2 AC1  5 HOH A 502                                                     
CRYST1   92.731   92.731  208.855  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      0.010784  0.006226  0.000000        0.00000                         
SCALE2      0.000000  0.012452  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004788        0.00000