HEADER    DNA BINDING PROTEIN/DNA                 15-MAY-23   8SV4              
TITLE     7-DEAZAPURINES AND 5-HALOGENPYRIMIDINE DNA DUPLEX                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBONUCLEASE H;                                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: RNASE H;                                                    
COMPND   5 EC: 3.1.26.4;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: DNA (5'-D(*(B86)P*(7DD)P*(B86)P*(7DD)P*(7DA)P*(7DA)P*(UCL) 
COMPND  10 P*(UCL)P*(B86)P*(7DD)P*(B86)P*(7DD))-3');                            
COMPND  11 CHAIN: B, C;                                                         
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HALALKALIBACTERIUM HALODURANS;                  
SOURCE   3 ORGANISM_TAXID: 86665;                                               
SOURCE   4 GENE: RNHA;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 MOL_ID: 2;                                                           
SOURCE   8 SYNTHETIC: YES;                                                      
SOURCE   9 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  10 ORGANISM_TAXID: 32630                                                
KEYWDS    7-DEAZAPURINES, 5-HALOGENPYRIMIDINES, ADENINE-TRACT GEOMETRY, RNASE-H 
KEYWDS   2 COMPLEX, DNA DUPLEX, DICKERSON-DREW DODECAMER, DNA DUPLEX CRYSTAL    
KEYWDS   3 STRUCTURE, DNA BINDING PROTEIN, DNA BINDING PROTEIN-DNA COMPLEX      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.S.PALLAN,M.EGLI                                                     
REVDAT   2   11-OCT-23 8SV4    1       JRNL                                     
REVDAT   1   04-OCT-23 8SV4    0                                                
JRNL        AUTH   P.S.PALLAN,T.P.LYBRAND,E.ROZNERS,M.ABRAMOV,G.SCHEPERS,       
JRNL        AUTH 2 E.EREMEEVA,P.HERDEWIJN,M.EGLI                                
JRNL        TITL   CONFORMATIONAL MORPHING BY A DNA ANALOGUE FEATURING          
JRNL        TITL 2 7-DEAZAPURINES AND 5-HALOGENPYRIMIDINES AND THE ORIGINS OF   
JRNL        TITL 3 ADENINE-TRACT GEOMETRY.                                      
JRNL        REF    BIOCHEMISTRY                  V.  62  2854 2023              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   37694722                                                     
JRNL        DOI    10.1021/ACS.BIOCHEM.3C00327                                  
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0218                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.60                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 16084                          
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) : 0.216                           
REMARK   3   R VALUE            (WORKING SET) : 0.214                           
REMARK   3   FREE R VALUE                     : 0.254                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 870                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.36                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1050                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 86.89                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4160                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 44                           
REMARK   3   BIN FREE R VALUE                    : 0.3590                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1076                                    
REMARK   3   NUCLEIC ACID ATOMS       : 494                                     
REMARK   3   HETEROGEN ATOMS          : 34                                      
REMARK   3   SOLVENT ATOMS            : 79                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 50.23                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.27000                                              
REMARK   3    B22 (A**2) : 1.27000                                              
REMARK   3    B33 (A**2) : -4.11000                                             
REMARK   3    B12 (A**2) : 0.63000                                              
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): 0.214         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.193         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.194         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.037         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.948                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.921                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1685 ; 0.018 ; 0.020       
REMARK   3   BOND LENGTHS OTHERS               (A):  1279 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2379 ; 1.567 ; 2.268       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3018 ; 0.829 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   131 ; 7.975 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    52 ;38.291 ;25.192       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   204 ;19.294 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     5 ;11.643 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   249 ; 0.402 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1465 ; 0.010 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   272 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   529 ; 3.320 ; 4.453       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   526 ; 3.300 ; 4.445       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):   657 ; 4.851 ; 6.661       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):   658 ; 4.849 ; 6.662       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1156 ; 5.159 ; 5.382       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1156 ; 5.159 ; 5.382       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  1723 ; 7.616 ; 7.932       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  2089 ; 9.492 ;51.812       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  2089 ; 9.494 ;51.810       
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: NULL                                      
REMARK   4                                                                      
REMARK   4 8SV4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-MAY-23.                  
REMARK 100 THE DEPOSITION ID IS D_1000274505.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-NOV-17                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 21-ID-G                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97857                            
REMARK 200  MONOCHROMATOR                  : C(111)                             
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   : 17002                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 27.600                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY                : 13.80                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 4.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.38                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.47100                            
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: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 69.89                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.09                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM SULFATE, 0.1 M SODIUM     
REMARK 280  ACETATE TRIHYDRATE AND 25% (W/V) PEG 4000, PH 4.6, VAPOR            
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 291K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z                                                 
REMARK 290       5555   Y,-X+Y,Z+2/3                                            
REMARK 290       6555   X-Y,X,Z+1/3                                             
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       52.59733            
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       26.29867            
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        0.00000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       52.59733            
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       26.29867            
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: TRIMERIC                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
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     GLY A    55                                                      
REMARK 465     SER A    56                                                      
REMARK 465     HIS A    57                                                      
REMARK 465     MET A    58                                                      
REMARK 465     ALA A    59                                                      
REMARK 465     LYS A    60                                                      
REMARK 465     GLU A    61                                                      
REMARK 465     GLY A   194                                                      
REMARK 465     ARG A   195                                                      
REMARK 465     LYS A   196                                                      
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    LYS A 146       60.18   -111.77                                   
REMARK 500    GLU A 188      122.41    -26.66                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 359        DISTANCE =  6.30 ANGSTROMS                       
REMARK 525    HOH A 360        DISTANCE =  7.26 ANGSTROMS                       
DBREF  8SV4 A   59   196  UNP    Q9KEI9   RNH1_BACHD      59    196             
DBREF  8SV4 B    1    12  PDB    8SV4     8SV4             1     12             
DBREF  8SV4 C    1    12  PDB    8SV4     8SV4             1     12             
SEQADV 8SV4 GLY A   55  UNP  Q9KEI9              EXPRESSION TAG                 
SEQADV 8SV4 SER A   56  UNP  Q9KEI9              EXPRESSION TAG                 
SEQADV 8SV4 HIS A   57  UNP  Q9KEI9              EXPRESSION TAG                 
SEQADV 8SV4 MET A   58  UNP  Q9KEI9              EXPRESSION TAG                 
SEQADV 8SV4 ASN A  132  UNP  Q9KEI9    ASP   132 ENGINEERED MUTATION            
SEQRES   1 A  142  GLY SER HIS MET ALA LYS GLU GLU ILE ILE TRP GLU SER          
SEQRES   2 A  142  LEU SER VAL ASP VAL GLY SER GLN GLY ASN PRO GLY ILE          
SEQRES   3 A  142  VAL GLU TYR LYS GLY VAL ASP THR LYS THR GLY GLU VAL          
SEQRES   4 A  142  LEU PHE GLU ARG GLU PRO ILE PRO ILE GLY THR ASN ASN          
SEQRES   5 A  142  MET GLY GLU PHE LEU ALA ILE VAL HIS GLY LEU ARG TYR          
SEQRES   6 A  142  LEU LYS GLU ARG ASN SER ARG LYS PRO ILE TYR SER ASN          
SEQRES   7 A  142  SER GLN THR ALA ILE LYS TRP VAL LYS ASP LYS LYS ALA          
SEQRES   8 A  142  LYS SER THR LEU VAL ARG ASN GLU GLU THR ALA LEU ILE          
SEQRES   9 A  142  TRP LYS LEU VAL ASP GLU ALA GLU GLU TRP LEU ASN THR          
SEQRES  10 A  142  HIS THR TYR GLU THR PRO ILE LEU LYS TRP GLN THR ASP          
SEQRES  11 A  142  LYS TRP GLY GLU ILE LYS ALA ASP TYR GLY ARG LYS              
SEQRES   1 B   12  B86 7GU C37 7GU 7DA 7DA UCL UCL C37 7GU C37 7GU              
SEQRES   1 C   12  B86 7GU C37 7GU 7DA 7DA UCL UCL C37 7GU C37 7GU              
HET    B86  B   1      17                                                       
HET    7GU  B   2      22                                                       
HET    C37  B   3      20                                                       
HET    7GU  B   4      22                                                       
HET    7DA  B   5      21                                                       
HET    7DA  B   6      21                                                       
HET    UCL  B   7      20                                                       
HET    UCL  B   8      20                                                       
HET    C37  B   9      20                                                       
HET    7GU  B  10      22                                                       
HET    C37  B  11      20                                                       
HET    7GU  B  12      22                                                       
HET    B86  C   1      17                                                       
HET    7GU  C   2      22                                                       
HET    C37  C   3      20                                                       
HET    7GU  C   4      22                                                       
HET    7DA  C   5      21                                                       
HET    7DA  C   6      21                                                       
HET    UCL  C   7      20                                                       
HET    UCL  C   8      20                                                       
HET    C37  C   9      20                                                       
HET    7GU  C  10      22                                                       
HET    C37  C  11      20                                                       
HET    7GU  C  12      22                                                       
HET    FWN  A 201      12                                                       
HET    ACT  A 202       4                                                       
HET    ACT  A 203       4                                                       
HET    SO4  A 204       5                                                       
HET    SO4  A 205       5                                                       
HET    EDO  A 206       4                                                       
HETNAM     B86 2'-DEOXY-5-FLUOROCYTIDINE                                        
HETNAM     7GU 7-DEAZA-2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE                       
HETNAM     C37 5-FLUORO-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE                      
HETNAM     7DA 7-DEAZA-2'-DEOXYADENOSINE-5'-MONOPHOSPHATE                       
HETNAM     UCL 5-CHLORO-2'-DEOXYURIDINE 5'-(DIHYDROGEN PHOSPHATE)               
HETNAM     FWN 2-[2-(2-ETHOXYETHOXY)ETHOXY]ETHANOL                              
HETNAM     ACT ACETATE ION                                                      
HETNAM     SO4 SULFATE ION                                                      
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   2  B86    2(C9 H12 F N3 O4)                                            
FORMUL   2  7GU    8(C11 H15 N4 O7 P)                                           
FORMUL   2  C37    6(C9 H13 F N3 O7 P)                                          
FORMUL   2  7DA    4(C11 H15 N4 O6 P)                                           
FORMUL   2  UCL    4(C9 H12 CL N2 O8 P)                                         
FORMUL   4  FWN    C8 H18 O4                                                    
FORMUL   5  ACT    2(C2 H3 O2 1-)                                               
FORMUL   7  SO4    2(O4 S 2-)                                                   
FORMUL   9  EDO    C2 H6 O2                                                     
FORMUL  10  HOH   *79(H2 O)                                                     
HELIX    1 AA1 THR A  104  ARG A  123  1                                  20    
HELIX    2 AA2 SER A  133  LYS A  143  1                                  11    
HELIX    3 AA3 ASN A  152  GLU A  154  5                                   3    
HELIX    4 AA4 THR A  155  THR A  171  1                                  17    
HELIX    5 AA5 GLN A  182  GLY A  187  1                                   6    
SHEET    1 AA1 3 VAL A  93  GLU A  96  0                                        
SHEET    2 AA1 3 GLY A  79  ASP A  87 -1  N  GLY A  85   O  LEU A  94           
SHEET    3 AA1 3 ILE A 100  GLY A 103 -1  O  ILE A 100   N  VAL A  81           
SHEET    1 AA2 5 VAL A  93  GLU A  96  0                                        
SHEET    2 AA2 5 GLY A  79  ASP A  87 -1  N  GLY A  85   O  LEU A  94           
SHEET    3 AA2 5 LEU A  68  GLN A  75 -1  N  SER A  69   O  VAL A  86           
SHEET    4 AA2 5 ILE A 129  SER A 131  1  O  TYR A 130   N  LEU A  68           
SHEET    5 AA2 5 ILE A 178  LYS A 180  1  O  LEU A 179   N  ILE A 129           
LINK         O13 B86 B   1                 P   7GU B   2     1555   1555  1.60  
LINK         O3' 7GU B   2                 P   C37 B   3     1555   1555  1.62  
LINK         O3' C37 B   3                 P   7GU B   4     1555   1555  1.59  
LINK         O3' 7GU B   4                 P   7DA B   5     1555   1555  1.63  
LINK         O3' 7DA B   5                 P   7DA B   6     1555   1555  1.57  
LINK         O3' 7DA B   6                 P   UCL B   7     1555   1555  1.60  
LINK         O3' UCL B   7                 P   UCL B   8     1555   1555  1.64  
LINK         O3' UCL B   8                 P   C37 B   9     1555   1555  1.62  
LINK         O3' C37 B   9                 P   7GU B  10     1555   1555  1.61  
LINK         O3' 7GU B  10                 P   C37 B  11     1555   1555  1.61  
LINK         O3' C37 B  11                 P   7GU B  12     1555   1555  1.60  
LINK         O13 B86 C   1                 P   7GU C   2     1555   1555  1.61  
LINK         O3' 7GU C   2                 P   C37 C   3     1555   1555  1.62  
LINK         O3' C37 C   3                 P   7GU C   4     1555   1555  1.60  
LINK         O3' 7GU C   4                 P   7DA C   5     1555   1555  1.60  
LINK         O3' 7DA C   5                 P   7DA C   6     1555   1555  1.60  
LINK         O3' 7DA C   6                 P   UCL C   7     1555   1555  1.59  
LINK         O3' UCL C   7                 P   UCL C   8     1555   1555  1.60  
LINK         O3' UCL C   8                 P   C37 C   9     1555   1555  1.60  
LINK         O3' C37 C   9                 P   7GU C  10     1555   1555  1.59  
LINK         O3' 7GU C  10                 P   C37 C  11     1555   1555  1.61  
LINK         O3' C37 C  11                 P   7GU C  12     1555   1555  1.61  
CISPEP   1 ASN A   77    PRO A   78          0         6.22                     
CRYST1   92.539   92.539   78.896  90.00  90.00 120.00 P 62         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      0.010806  0.006239  0.000000        0.00000                         
SCALE2      0.000000  0.012478  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012675        0.00000