HEADER    DNA                                     10-AUG-94   184D              
TITLE     SELF-ASSOCIATION OF A DNA LOOP CREATES A QUADRUPLEX: CRYSTAL STRUCTURE
TITLE    2 OF D(GCATGCT) AT 1.8 ANGSTROMS RESOLUTION                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-D(*GP*CP*AP*TP*GP*CP*T)-3');                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    U-DNA, QUADRUPLE HELIX, TETRAPLEX, LOOP, DNA                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.A.LEONARD,S.ZHANG,M.R.PETERSON,S.J.HARROP,J.R.HELLIWELL,            
AUTHOR   2 W.B.T.CRUSE,B.LANGLOIS D'ESTAINTOT,O.KENNARD,T.BROWN,W.N.HUNTER      
REVDAT   4   07-FEB-24 184D    1       REMARK                                   
REVDAT   3   24-FEB-09 184D    1       VERSN                                    
REVDAT   2   01-APR-03 184D    1       JRNL                                     
REVDAT   1   10-JUL-95 184D    0                                                
JRNL        AUTH   G.A.LEONARD,S.ZHANG,M.R.PETERSON,S.J.HARROP,J.R.HELLIWELL,   
JRNL        AUTH 2 W.B.CRUSE,B.L.D'ESTAINTOT,O.KENNARD,T.BROWN,W.N.HUNTER       
JRNL        TITL   SELF-ASSOCIATION OF A DNA LOOP CREATES A QUADRUPLEX: CRYSTAL 
JRNL        TITL 2 STRUCTURE OF D(GCATGCT) AT 1.8 A RESOLUTION.                 
JRNL        REF    STRUCTURE                     V.   3   335 1995              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   7613864                                                      
JRNL        DOI    10.1016/S0969-2126(01)00165-4                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 1579                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.214                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
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) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 140                                     
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 48                                      
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : 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  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 184D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB.                                
REMARK 100 THE DEPOSITION ID IS D_1000170187.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 279.00                             
REMARK 200  PH                             : 6.80                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : DIFFRACTOMETER                     
REMARK 200  DETECTOR MANUFACTURER          : SYNTEX P21                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
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: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 36.12                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.93                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.80, VAPOR DIFFUSION, SITTING DROP   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z                                         
REMARK 290       7555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       11.26000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       29.68500            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       11.26000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       29.68500            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       11.26000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       29.68500            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       11.26000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       29.68500            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: 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 -1.000000  0.000000  0.000000       22.52000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 MG    MG A   8  LIES ON A SPECIAL POSITION.                          
REMARK 375 MG    MG A   9  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A  10  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A  11  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A  12  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A  13  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A  14  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A  52  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A  54  LIES ON A SPECIAL POSITION.                          
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   O    HOH A    18     O    HOH A    41              2.03            
REMARK 500   OP2   DG A     5     O    HOH A    23              2.07            
REMARK 500   O3'   DT A     7     O    HOH A    43              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A    46     O    HOH A    46     3556     1.88            
REMARK 500   O    HOH A    29     O    HOH A    57     3656     2.11            
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 A   1   C4' -  C3' -  C2' ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     DG A   1   C5  -  C6  -  N1  ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DC A   2   N1  -  C2  -  O2  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DA A   3   C5' -  C4' -  O4' ANGL. DEV. =   6.7 DEGREES          
REMARK 500     DT A   4   O4' -  C1' -  N1  ANGL. DEV. =   5.5 DEGREES          
REMARK 500     DT A   4   C2  -  N3  -  C4  ANGL. DEV. =  -4.6 DEGREES          
REMARK 500     DT A   4   N3  -  C4  -  C5  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DG A   5   O4' -  C1' -  N9  ANGL. DEV. =   2.6 DEGREES          
REMARK 500     DT A   7   O5' -  C5' -  C4' ANGL. DEV. =  -9.1 DEGREES          
REMARK 500     DT A   7   C2  -  N3  -  C4  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DT A   7   N3  -  C4  -  C5  ANGL. DEV. =   4.1 DEGREES          
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 A   8  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A  10   O                                                      
REMARK 620 2 HOH A  11   O    90.0                                              
REMARK 620 3 HOH A  12   O    90.0  90.0                                        
REMARK 620 N                    1     2                                         
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 8                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 9                    
DBREF  184D A    1     7  PDB    184D     184D             1      7             
SEQRES   1 A    7   DG  DC  DA  DT  DG  DC  DT                                  
HET     MG  A   8       1                                                       
HET     MG  A   9       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   2   MG    2(MG 2+)                                                     
FORMUL   4  HOH   *48(H2 O)                                                     
LINK        MG    MG A   8                 O   HOH A  10     1555   1555  2.03  
LINK        MG    MG A   8                 O   HOH A  11     1555   1555  1.86  
LINK        MG    MG A   8                 O   HOH A  12     1555   1555  2.45  
SITE     1 AC1  3 HOH A  10  HOH A  11  HOH A  12                               
SITE     1 AC2  3  DC A   2   DC A   6  HOH A  20                               
CRYST1   22.520   59.370   24.350  90.00  90.00  90.00 C 2 2 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      0.044405  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016844  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.041068        0.00000                         
ATOM      1  O5'  DG A   1      16.813  10.330   8.939  1.00 32.72           O  
ATOM      2  C5'  DG A   1      16.575   8.983   8.488  1.00 16.18           C  
ATOM      3  C4'  DG A   1      15.066   8.816   8.376  1.00 16.59           C  
ATOM      4  O4'  DG A   1      14.647   9.078   7.053  1.00 14.41           O  
ATOM      5  C3'  DG A   1      14.647   7.320   8.603  1.00 14.14           C  
ATOM      6  O3'  DG A   1      13.224   7.267   8.780  1.00 15.64           O  
ATOM      7  C2'  DG A   1      15.075   6.774   7.222  1.00 11.24           C  
ATOM      8  C1'  DG A   1      14.597   7.849   6.284  1.00 12.39           C  
ATOM      9  N9   DG A   1      15.530   7.973   5.151  1.00 14.86           N  
ATOM     10  C8   DG A   1      16.908   7.831   5.188  1.00 13.49           C  
ATOM     11  N7   DG A   1      17.469   7.997   4.038  1.00  8.05           N  
ATOM     12  C5   DG A   1      16.431   8.324   3.176  1.00 11.70           C  
ATOM     13  C6   DG A   1      16.415   8.674   1.802  1.00 10.75           C  
ATOM     14  O6   DG A   1      17.356   8.733   1.016  1.00 14.89           O  
ATOM     15  N1   DG A   1      15.156   8.906   1.281  1.00  6.51           N  
ATOM     16  C2   DG A   1      14.048   8.840   2.048  1.00  2.33           C  
ATOM     17  N2   DG A   1      12.908   9.107   1.398  1.00  9.98           N  
ATOM     18  N3   DG A   1      14.021   8.561   3.351  1.00  9.55           N  
ATOM     19  C4   DG A   1      15.228   8.312   3.851  1.00 11.21           C  
ATOM     20  P    DC A   2      12.424   5.937   9.143  1.00 16.91           P  
ATOM     21  OP1  DC A   2      11.224   6.329   9.964  1.00 19.72           O  
ATOM     22  OP2  DC A   2      13.435   5.136   9.854  1.00 17.07           O  
ATOM     23  O5'  DC A   2      11.951   5.355   7.753  1.00 15.08           O  
ATOM     24  C5'  DC A   2      10.913   6.079   7.007  1.00 11.74           C  
ATOM     25  C4'  DC A   2      10.805   5.349   5.694  1.00 16.46           C  
ATOM     26  O4'  DC A   2      11.875   5.711   4.842  1.00 20.30           O  
ATOM     27  C3'  DC A   2      10.794   3.829   5.782  1.00 11.80           C  
ATOM     28  O3'  DC A   2       9.569   3.253   5.300  1.00 15.82           O  
ATOM     29  C2'  DC A   2      12.005   3.414   4.942  1.00 12.26           C  
ATOM     30  C1'  DC A   2      12.141   4.560   3.970  1.00 12.84           C  
ATOM     31  N1   DC A   2      13.546   4.696   3.510  1.00 11.15           N  
ATOM     32  C2   DC A   2      13.717   5.112   2.192  1.00  2.14           C  
ATOM     33  O2   DC A   2      12.787   5.320   1.449  1.00 12.30           O  
ATOM     34  N3   DC A   2      15.007   5.260   1.763  1.00 13.46           N  
ATOM     35  C4   DC A   2      16.077   5.029   2.560  1.00  6.62           C  
ATOM     36  N4   DC A   2      17.309   5.213   2.048  1.00 10.76           N  
ATOM     37  C5   DC A   2      15.881   4.595   3.897  1.00  4.95           C  
ATOM     38  C6   DC A   2      14.604   4.465   4.323  1.00  6.27           C  
ATOM     39  P    DA A   3       8.677   2.304   6.289  1.00 12.01           P  
ATOM     40  OP1  DA A   3       8.796   2.761   7.709  1.00 14.40           O  
ATOM     41  OP2  DA A   3       9.328   0.997   6.070  1.00  7.59           O  
ATOM     42  O5'  DA A   3       7.215   2.476   5.750  1.00 16.58           O  
ATOM     43  C5'  DA A   3       6.677   3.794   5.490  1.00 12.47           C  
ATOM     44  C4'  DA A   3       5.819   3.687   4.274  1.00  3.49           C  
ATOM     45  O4'  DA A   3       6.456   3.847   3.052  1.00  9.42           O  
ATOM     46  C3'  DA A   3       4.878   2.499   4.141  1.00  7.59           C  
ATOM     47  O3'  DA A   3       3.621   2.998   3.624  1.00 13.09           O  
ATOM     48  C2'  DA A   3       5.560   1.698   3.015  1.00  2.00           C  
ATOM     49  C1'  DA A   3       6.083   2.779   2.146  1.00  7.49           C  
ATOM     50  N9   DA A   3       7.321   2.381   1.427  1.00  2.98           N  
ATOM     51  C8   DA A   3       8.612   2.422   1.888  1.00  8.98           C  
ATOM     52  N7   DA A   3       9.488   2.108   0.962  1.00 10.41           N  
ATOM     53  C5   DA A   3       8.729   1.858  -0.173  1.00  6.55           C  
ATOM     54  C6   DA A   3       9.076   1.466  -1.481  1.00  3.85           C  
ATOM     55  N6   DA A   3      10.305   1.259  -1.885  1.00  8.67           N  
ATOM     56  N1   DA A   3       8.024   1.336  -2.367  1.00  7.68           N  
ATOM     57  C2   DA A   3       6.749   1.573  -1.963  1.00  8.77           C  
ATOM     58  N3   DA A   3       6.357   1.965  -0.748  1.00  3.15           N  
ATOM     59  C4   DA A   3       7.378   2.060   0.102  1.00  7.29           C  
ATOM     60  P    DT A   4       2.184   2.428   4.085  1.00 14.48           P  
ATOM     61  OP1  DT A   4       2.119   0.944   3.890  1.00 18.06           O  
ATOM     62  OP2  DT A   4       1.320   3.176   3.103  1.00 18.59           O  
ATOM     63  O5'  DT A   4       1.989   2.891   5.573  1.00 11.83           O  
ATOM     64  C5'  DT A   4       1.576   4.269   5.811  1.00 13.60           C  
ATOM     65  C4'  DT A   4       1.802   4.542   7.263  1.00 14.27           C  
ATOM     66  O4'  DT A   4       1.103   3.598   8.042  1.00 11.59           O  
ATOM     67  C3'  DT A   4       3.236   4.566   7.745  1.00 20.07           C  
ATOM     68  O3'  DT A   4       3.511   5.492   8.802  1.00 15.57           O  
ATOM     69  C2'  DT A   4       3.398   3.123   8.269  1.00 13.37           C  
ATOM     70  C1'  DT A   4       2.013   2.963   8.941  1.00 10.60           C  
ATOM     71  N1   DT A   4       1.829   1.496   9.041  1.00 12.23           N  
ATOM     72  C2   DT A   4       1.725   0.974  10.305  1.00 12.70           C  
ATOM     73  O2   DT A   4       1.775   1.692  11.308  1.00  8.80           O  
ATOM     74  N3   DT A   4       1.603  -0.380  10.412  1.00 10.51           N  
ATOM     75  C4   DT A   4       1.619  -1.199   9.338  1.00 10.02           C  
ATOM     76  O4   DT A   4       1.516  -2.446   9.550  1.00 18.52           O  
ATOM     77  C5   DT A   4       1.734  -0.647   8.037  1.00  9.26           C  
ATOM     78  C7   DT A   4       1.750  -1.532   6.837  1.00 10.82           C  
ATOM     79  C6   DT A   4       1.844   0.689   7.933  1.00  7.29           C  
ATOM     80  P    DG A   5       3.761   7.053   8.551  1.00 17.29           P  
ATOM     81  OP1  DG A   5       3.558   7.671   9.852  1.00 17.12           O  
ATOM     82  OP2  DG A   5       2.826   7.570   7.458  1.00 13.05           O  
ATOM     83  O5'  DG A   5       5.238   7.113   7.994  1.00 14.21           O  
ATOM     84  C5'  DG A   5       6.315   6.578   8.812  1.00 10.54           C  
ATOM     85  C4'  DG A   5       7.571   7.053   8.150  1.00 11.09           C  
ATOM     86  O4'  DG A   5       7.700   6.596   6.825  1.00  7.21           O  
ATOM     87  C3'  DG A   5       7.695   8.603   8.074  1.00 10.73           C  
ATOM     88  O3'  DG A   5       9.071   8.929   8.174  1.00 19.14           O  
ATOM     89  C2'  DG A   5       7.179   8.906   6.664  1.00  6.50           C  
ATOM     90  C1'  DG A   5       7.666   7.682   5.909  1.00 11.00           C  
ATOM     91  N9   DG A   5       6.803   7.374   4.764  1.00  8.02           N  
ATOM     92  C8   DG A   5       5.423   7.392   4.703  1.00  3.41           C  
ATOM     93  N7   DG A   5       4.950   7.077   3.549  1.00  8.88           N  
ATOM     94  C5   DG A   5       6.076   6.869   2.760  1.00  9.70           C  
ATOM     95  C6   DG A   5       6.216   6.477   1.396  1.00  5.19           C  
ATOM     96  O6   DG A   5       5.353   6.240   0.567  1.00 11.30           O  
ATOM     97  N1   DG A   5       7.515   6.388   0.991  1.00  8.37           N  
ATOM     98  C2   DG A   5       8.571   6.554   1.832  1.00  3.02           C  
ATOM     99  N2   DG A   5       9.771   6.394   1.247  1.00 12.04           N  
ATOM    100  N3   DG A   5       8.497   6.887   3.101  1.00  3.44           N  
ATOM    101  C4   DG A   5       7.209   7.023   3.510  1.00  6.19           C  
ATOM    102  P    DC A   6       9.614  10.247   8.873  1.00 18.75           P  
ATOM    103  OP1  DC A   6      10.294   9.927  10.154  1.00 13.66           O  
ATOM    104  OP2  DC A   6       8.371  11.067   9.060  1.00 17.74           O  
ATOM    105  O5'  DC A   6      10.618  10.817   7.779  1.00 19.73           O  
ATOM    106  C5'  DC A   6      11.418   9.903   7.002  1.00 17.52           C  
ATOM    107  C4'  DC A   6      11.424  10.419   5.607  1.00  9.85           C  
ATOM    108  O4'  DC A   6      10.375   9.897   4.844  1.00 13.31           O  
ATOM    109  C3'  DC A   6      11.505  11.898   5.336  1.00 21.09           C  
ATOM    110  O3'  DC A   6      12.728  12.296   4.701  1.00 18.08           O  
ATOM    111  C2'  DC A   6      10.301  12.165   4.389  1.00 17.67           C  
ATOM    112  C1'  DC A   6      10.195  10.805   3.717  1.00 19.77           C  
ATOM    113  N1   DC A   6       8.864  10.568   3.132  1.00 17.95           N  
ATOM    114  C2   DC A   6       8.832   9.980   1.880  1.00  4.13           C  
ATOM    115  O2   DC A   6       9.884   9.731   1.271  1.00 12.85           O  
ATOM    116  N3   DC A   6       7.616   9.713   1.323  1.00 11.52           N  
ATOM    117  C4   DC A   6       6.459  10.022   1.973  1.00  5.34           C  
ATOM    118  N4   DC A   6       5.288   9.760   1.359  1.00 10.23           N  
ATOM    119  C5   DC A   6       6.495  10.592   3.266  1.00  8.17           C  
ATOM    120  C6   DC A   6       7.702  10.865   3.797  1.00 12.80           C  
ATOM    121  P    DT A   7      13.618  13.554   5.256  1.00 24.85           P  
ATOM    122  OP1  DT A   7      13.483  13.869   6.681  1.00 16.00           O  
ATOM    123  OP2  DT A   7      13.167  14.635   4.328  1.00 17.41           O  
ATOM    124  O5'  DT A   7      15.091  13.026   4.937  1.00 16.87           O  
ATOM    125  C5'  DT A   7      15.647  11.969   5.794  1.00 13.37           C  
ATOM    126  C4'  DT A   7      16.892  11.577   4.976  1.00 16.72           C  
ATOM    127  O4'  DT A   7      16.462  11.334   3.670  1.00 12.25           O  
ATOM    128  C3'  DT A   7      17.944  12.670   4.898  1.00 21.47           C  
ATOM    129  O3'  DT A   7      19.147  12.361   5.573  1.00 23.32           O  
ATOM    130  C2'  DT A   7      18.059  13.032   3.444  1.00 16.71           C  
ATOM    131  C1'  DT A   7      17.410  11.886   2.723  1.00 16.07           C  
ATOM    132  N1   DT A   7      16.590  12.343   1.586  1.00 16.36           N  
ATOM    133  C2   DT A   7      17.253  12.634   0.404  1.00 21.91           C  
ATOM    134  O2   DT A   7      18.473  12.557   0.336  1.00 27.22           O  
ATOM    135  N3   DT A   7      16.491  13.038  -0.660  1.00 20.90           N  
ATOM    136  C4   DT A   7      15.133  13.121  -0.587  1.00 14.21           C  
ATOM    137  O4   DT A   7      14.537  13.495  -1.625  1.00 19.87           O  
ATOM    138  C5   DT A   7      14.478  12.782   0.631  1.00 16.22           C  
ATOM    139  C7   DT A   7      12.987  12.871   0.765  1.00 16.93           C  
ATOM    140  C6   DT A   7      15.237  12.402   1.666  1.00 14.18           C  
TER     141       DT A   7                                                      
HETATM  142 MG    MG A   8       0.000   0.000   0.000  0.25 47.87          MG  
HETATM  143 MG    MG A   9      11.260   7.956  12.178  0.50 17.80          MG  
HETATM  144  O   HOH A  10       0.000   2.030   0.000  0.50 29.16           O  
HETATM  145  O   HOH A  11       0.000   0.000   1.863  0.50 32.89           O  
HETATM  146  O   HOH A  12       2.446   0.000   0.000  0.50 14.39           O  
HETATM  147  O   HOH A  13      11.260   0.000   4.584  0.50 10.56           O  
HETATM  148  O   HOH A  14      16.890  14.843   9.720  0.50 35.90           O  
HETATM  149  O   HOH A  15       7.756   1.140  -4.910  1.00  5.75           O  
HETATM  150  O   HOH A  16       3.750   2.066  -0.487  1.00 21.93           O  
HETATM  151  O   HOH A  17       5.279   1.330  -5.758  1.00 22.28           O  
HETATM  152  O   HOH A  18       2.831   4.387   1.011  1.00 23.10           O  
HETATM  153  O   HOH A  19       2.356   7.374   3.695  1.00 18.63           O  
HETATM  154  O   HOH A  20       8.182   7.724  11.947  1.00 23.72           O  
HETATM  155  O   HOH A  21      15.451  13.388  10.583  1.00 35.64           O  
HETATM  156  O   HOH A  22       6.292   9.511  12.173  1.00 35.87           O  
HETATM  157  O   HOH A  23       1.919   8.710   5.982  1.00 37.01           O  
HETATM  158  O   HOH A  24      10.647   1.852   9.903  1.00 28.83           O  
HETATM  159  O   HOH A  25       3.529  -1.069   3.310  1.00 21.09           O  
HETATM  160  O   HOH A  26       5.454  -0.386   8.593  1.00 29.40           O  
HETATM  161  O   HOH A  27       3.655  11.191   6.182  1.00 25.82           O  
HETATM  162  O   HOH A  28       1.667  10.176  12.324  1.00 44.22           O  
HETATM  163  O   HOH A  29       6.977   4.281  11.357  1.00 46.28           O  
HETATM  164  O   HOH A  30      13.575  12.123   9.345  1.00 20.54           O  
HETATM  165  O   HOH A  31       2.842   8.727  17.348  1.00 42.36           O  
HETATM  166  O   HOH A  32       1.417   4.316  12.200  1.00 44.37           O  
HETATM  167  O   HOH A  33       4.968   1.377  11.645  1.00 40.32           O  
HETATM  168  O   HOH A  34      20.541  13.340  -0.197  1.00 27.58           O  
HETATM  169  O   HOH A  35      -0.597   9.778   2.399  1.00 59.98           O  
HETATM  170  O   HOH A  36      11.168  16.404   3.588  1.00 47.14           O  
HETATM  171  O   HOH A  37       1.441  11.429   8.352  1.00 45.36           O  
HETATM  172  O   HOH A  38       1.142  14.540   7.329  1.00 56.84           O  
HETATM  173  O   HOH A  39      -0.092   6.157   2.423  1.00 45.87           O  
HETATM  174  O   HOH A  40      14.726   3.206   7.823  1.00 48.09           O  
HETATM  175  O   HOH A  41       1.383   4.803  -0.356  1.00 39.59           O  
HETATM  176  O   HOH A  42       7.166   1.532   9.613  1.00 43.93           O  
HETATM  177  O   HOH A  43      18.277  12.296   7.577  1.00 35.35           O  
HETATM  178  O   HOH A  44       3.799   9.873  10.264  1.00 35.14           O  
HETATM  179  O   HOH A  45       4.921   3.105  13.978  1.00 60.99           O  
HETATM  180  O   HOH A  46      -0.770   6.341  12.715  1.00 37.40           O  
HETATM  181  O   HOH A  47       2.597  10.437   2.818  1.00 40.54           O  
HETATM  182  O   HOH A  48      -1.414   7.730   3.729  1.00 61.47           O  
HETATM  183  O   HOH A  49      19.811   3.901   4.007  1.00 35.31           O  
HETATM  184  O   HOH A  50       2.160  -4.845   8.076  1.00 61.06           O  
HETATM  185  O   HOH A  51       2.394  -5.248   5.843  1.00 56.42           O  
HETATM  186  O   HOH A  52      11.260   1.235  12.178  0.50 47.44           O  
HETATM  187  O   HOH A  53       8.330  16.974   3.461  1.00 63.19           O  
HETATM  188  O   HOH A  54      11.260  11.637  12.178  0.50 42.07           O  
HETATM  189  O   HOH A  55       2.885   7.985  14.703  1.00 53.54           O  
HETATM  190  O   HOH A  56       5.668  12.236   8.897  1.00 62.43           O  
HETATM  191  O   HOH A  57      15.660   4.186  10.887  1.00 46.85           O  
CONECT  142  144  145  146                                                      
CONECT  144  142                                                                
CONECT  145  142                                                                
CONECT  146  142                                                                
MASTER      315    0    2    0    0    0    2    6  190    1    4    1          
END