HEADER    DNA                                     05-NOV-92   1D53              
TITLE     CRYSTAL STRUCTURE AT 1.5 ANGSTROMS RESOLUTION OF D(CGCICICG), AN      
TITLE    2 OCTANUCLEOTIDE CONTAINING INOSINE, AND ITS COMPARISON WITH D(CGCG)   
TITLE    3 AND D(CGCGCG) STRUCTURES                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-D(*CP*GP*CP*IP*CP*IP*CP*G)-3');                    
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: DNA (5'-D(*CP*GP*CP*G)-3');                                
COMPND   7 CHAIN: C, D;                                                         
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES                                                       
KEYWDS    Z-DNA, DOUBLE HELIX, DNA                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.D.KUMAR,R.W.HARRISON,L.C.ANDREWS,I.T.WEBER                          
REVDAT   6   07-FEB-24 1D53    1       REMARK                                   
REVDAT   5   24-FEB-09 1D53    1       VERSN                                    
REVDAT   4   01-APR-03 1D53    1       JRNL                                     
REVDAT   3   28-JUN-02 1D53    1       REMARK                                   
REVDAT   2   27-NOV-00 1D53    5                                                
REVDAT   1   13-APR-93 1D53    0                                                
JRNL        AUTH   V.D.KUMAR,R.W.HARRISON,L.C.ANDREWS,I.T.WEBER                 
JRNL        TITL   CRYSTAL STRUCTURE AT 1.5-A RESOLUTION OF D(CGCICICG), AN     
JRNL        TITL 2 OCTANUCLEOTIDE CONTAINING INOSINE, AND ITS COMPARISON WITH   
JRNL        TITL 3 D(CGCG) AND D(CGCGCG) STRUCTURES.                            
JRNL        REF    BIOCHEMISTRY                  V.  31  1541 1992              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   1737011                                                      
JRNL        DOI    10.1021/BI00120A035                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   R.V.GESSNER,C.A.FREDERICK,G.J.QUIGLEY,A.RICH,A.H.-J.WANG     
REMARK   1  TITL   THE MOLECULAR STRUCTURE OF THE LEFT-HANDED Z-DNA DOUBLE      
REMARK   1  TITL 2 HELIX AT 1.0 ANGSTROM ATOMIC RESOLUTION. GEOMETRY,           
REMARK   1  TITL 3 CONFORMATION, AND IONIC INTERACTION OF D(CGCGCG)             
REMARK   1  REF    J.BIOL.CHEM.                  V. 264  7921 1989              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   S.FUJII,A.H.-J.WANG,G.J.QUIGLEY,H.WESTERINK,G.VAN DER MAREL, 
REMARK   1  AUTH 2 J.H.VAN BOOM,A.RICH                                          
REMARK   1  TITL   THE OCTAMERS D(CGCGCGCG) AND D(CGCATGCG) BOTH CRYSTALLIZE AS 
REMARK   1  TITL 2 Z-DNA IN THE SAME HEXAGONAL LATTICE                          
REMARK   1  REF    BIOPOLYMERS                   V.  24   243 1985              
REMARK   1  REFN                   ISSN 0006-3525                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   J.L.CRAWFORD,F.J.KOLPAK,A.H.-J.WANG,G.J.QUIGLEY,             
REMARK   1  AUTH 2 J.H.VAN BOOM,G.VAN DER MAREL,A.RICH                          
REMARK   1  TITL   THE TETRAMER D(CPGPCPG) CRYSTALLIZES AS A LEFT-HANDED DOUBLE 
REMARK   1  TITL 2 HELIX                                                        
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  77  4016 1980              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   H.DREW,T.TAKANO,S.TANAKA,K.ITAKURA,R.DICKERSON               
REMARK   1  TITL   HIGH-SALT D(CPGPCPG), A LEFT-HANDED Z'DNA DOUBLE HELIX       
REMARK   1  REF    NATURE                        V. 286   567 1980              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 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) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 5.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 3.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 2503                           
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) : 0.225                           
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       : 234                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 69                                      
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 1D53 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_1000172654.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS                            
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 1971                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 10.000                             
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: SINGLE WAVELENGTH                              
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   (%): 28.36                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.72                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION, HANGING DROP            
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65                             
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+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/6                                            
REMARK 290       6555   X-Y,X,Z+5/6                                             
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       29.13333            
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       14.56667            
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       21.85000            
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        7.28333            
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       36.41667            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: OCTAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000       -7.28333            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000       14.56667            
REMARK 350   BIOMT1   4  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   4 -0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        7.28333            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000 -0.866025  0.000000       31.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000      -14.56667            
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   C4    DC B     3     O    HOH B    44              1.67            
REMARK 500   O5'   DG D    10     O    HOH D    16              1.73            
REMARK 500   OP2   DG C     8     O    HOH C    32              1.83            
REMARK 500   C5    DC B     3     O    HOH B    44              1.87            
REMARK 500   O5'   DC C     7     O    HOH C    45              1.90            
REMARK 500   O    HOH B    17     O    HOH B    29              1.90            
REMARK 500   O    HOH B    72     O    HOH D    71              1.90            
REMARK 500   O3'   DC B     3     O    HOH B    59              1.98            
REMARK 500   C1'   DG B     4     O    HOH B    42              2.01            
REMARK 500   O5'   DG D    12     O    HOH D    69              2.01            
REMARK 500   N2    DG D    12     O    HOH D    18              2.04            
REMARK 500   N3    DG D    12     O    HOH D    18              2.10            
REMARK 500   OP2   DG B     4     O    HOH B    47              2.13            
REMARK 500   O5'   DC D    11     O    HOH D    54              2.13            
REMARK 500   O    HOH B    15     O    HOH D    71              2.14            
REMARK 500   OP2   DG B     4     O    HOH B    48              2.14            
REMARK 500   O    HOH D    33     O    HOH D    36              2.16            
REMARK 500   O5'   DG B     4     O    HOH B    47              2.16            
REMARK 500   C4'   DC D     9     O    HOH D    16              2.17            
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   O5'   DC D     9     O    HOH D    77     3665     0.95            
REMARK 500   C5'   DC D     9     O    HOH D    77     3665     1.08            
REMARK 500   O3'   DG C     8     O    HOH C    66     3665     1.72            
REMARK 500   O    HOH A    61     O    HOH D    40     5455     1.87            
REMARK 500   O    HOH C    39     O    HOH D    50     6654     1.91            
REMARK 500   O    HOH A    27     O    HOH D    79     5455     1.95            
REMARK 500   O    HOH A    75     O    HOH B    64     2554     1.96            
REMARK 500   O    HOH D    62     O    HOH D    81     5555     2.00            
REMARK 500   O    HOH A    67     O    HOH B    76     2554     2.13            
REMARK 500   O    HOH D    13     O    HOH D    58     3665     2.15            
REMARK 500   O    HOH B    76     O    HOH C    53     1455     2.16            
REMARK 500   N7    DG D    12     O    HOH D    57     2654     2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500     DC A   1   N1     DC A   1   C6     -0.042                       
REMARK 500     DG A   2   P      DG A   2   OP2    -0.128                       
REMARK 500     DG A   2   O4'    DG A   2   C4'    -0.067                       
REMARK 500     DC B   3   N3     DC B   3   C4      0.050                       
REMARK 500     DG B   4   P      DG B   4   OP1     0.197                       
REMARK 500     DG B   4   P      DG B   4   O5'     0.142                       
REMARK 500     DG B   4   O3'    DG B   4   C3'    -0.045                       
REMARK 500     DC C   5   N3     DC C   5   C4      0.056                       
REMARK 500     DG C   6   P      DG C   6   O5'    -0.126                       
REMARK 500     DG C   6   N1     DG C   6   C2     -0.060                       
REMARK 500     DG C   6   C4     DG C   6   C5     -0.045                       
REMARK 500     DG C   6   N7     DG C   6   C8     -0.043                       
REMARK 500     DC C   7   O3'    DG C   8   P      -0.090                       
REMARK 500     DG C   8   P      DG C   8   OP1     0.103                       
REMARK 500     DG C   8   N1     DG C   8   C2     -0.054                       
REMARK 500     DG C   8   C2     DG C   8   N3      0.090                       
REMARK 500     DG C   8   C8     DG C   8   N9     -0.042                       
REMARK 500     DC D   9   O4'    DC D   9   C4'    -0.060                       
REMARK 500     DG D  10   C2'    DG D  10   C1'    -0.071                       
REMARK 500     DG D  10   C8     DG D  10   N9     -0.055                       
REMARK 500     DG D  10   O3'    DC D  11   P       0.099                       
REMARK 500     DC D  11   P      DC D  11   OP1    -0.121                       
REMARK 500     DC D  11   P      DC D  11   O5'     0.170                       
REMARK 500     DC D  11   C4     DC D  11   C5     -0.059                       
REMARK 500     DG D  12   O4'    DG D  12   C1'     0.069                       
REMARK 500     DG D  12   C8     DG D  12   N9     -0.082                       
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     DC A   1   O5' -  C5' -  C4' ANGL. DEV. =  -8.3 DEGREES          
REMARK 500     DC A   1   O4' -  C4' -  C3' ANGL. DEV. =   3.8 DEGREES          
REMARK 500     DC A   1   C1' -  O4' -  C4' ANGL. DEV. = -11.6 DEGREES          
REMARK 500     DC A   1   C3' -  C2' -  C1' ANGL. DEV. = -13.2 DEGREES          
REMARK 500     DC A   1   C6  -  N1  -  C2  ANGL. DEV. =   5.2 DEGREES          
REMARK 500     DC A   1   N1  -  C2  -  N3  ANGL. DEV. =  -8.3 DEGREES          
REMARK 500     DC A   1   C2  -  N3  -  C4  ANGL. DEV. =   5.8 DEGREES          
REMARK 500     DC A   1   C4  -  C5  -  C6  ANGL. DEV. =  -4.0 DEGREES          
REMARK 500     DC A   1   C5  -  C6  -  N1  ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DC A   1   N1  -  C2  -  O2  ANGL. DEV. =   7.7 DEGREES          
REMARK 500     DC A   1   C3' -  O3' -  P   ANGL. DEV. = -16.0 DEGREES          
REMARK 500     DG A   2   O5' -  P   -  OP1 ANGL. DEV. = -21.7 DEGREES          
REMARK 500     DG A   2   O5' -  P   -  OP2 ANGL. DEV. =  27.0 DEGREES          
REMARK 500     DG A   2   P   -  O5' -  C5' ANGL. DEV. = -12.1 DEGREES          
REMARK 500     DG A   2   O4' -  C4' -  C3' ANGL. DEV. =  -8.9 DEGREES          
REMARK 500     DG A   2   N7  -  C8  -  N9  ANGL. DEV. =   3.3 DEGREES          
REMARK 500     DC B   3   C2  -  N3  -  C4  ANGL. DEV. =  -4.8 DEGREES          
REMARK 500     DC B   3   C3' -  O3' -  P   ANGL. DEV. =  32.6 DEGREES          
REMARK 500     DG B   4   O3' -  P   -  OP2 ANGL. DEV. =  15.8 DEGREES          
REMARK 500     DG B   4   OP1 -  P   -  OP2 ANGL. DEV. = -14.4 DEGREES          
REMARK 500     DG B   4   O5' -  P   -  OP1 ANGL. DEV. = -11.2 DEGREES          
REMARK 500     DG B   4   O4' -  C4' -  C3' ANGL. DEV. =  -3.1 DEGREES          
REMARK 500     DG B   4   C6  -  N1  -  C2  ANGL. DEV. =  -4.4 DEGREES          
REMARK 500     DG B   4   C2  -  N3  -  C4  ANGL. DEV. =   4.6 DEGREES          
REMARK 500     DG B   4   N3  -  C4  -  C5  ANGL. DEV. =  -3.4 DEGREES          
REMARK 500     DG B   4   C5  -  C6  -  N1  ANGL. DEV. =   4.9 DEGREES          
REMARK 500     DG B   4   N3  -  C4  -  N9  ANGL. DEV. =   4.7 DEGREES          
REMARK 500     DG B   4   N3  -  C2  -  N2  ANGL. DEV. =   4.3 DEGREES          
REMARK 500     DG B   4   C5  -  C6  -  O6  ANGL. DEV. =  -7.9 DEGREES          
REMARK 500     DG B   4   C4  -  N9  -  C1' ANGL. DEV. =  -7.9 DEGREES          
REMARK 500     DC C   5   C4' -  C3' -  C2' ANGL. DEV. =  -7.8 DEGREES          
REMARK 500     DC C   5   O4' -  C1' -  N1  ANGL. DEV. =   5.3 DEGREES          
REMARK 500     DC C   5   C6  -  N1  -  C2  ANGL. DEV. =  -3.4 DEGREES          
REMARK 500     DC C   5   C2  -  N3  -  C4  ANGL. DEV. =   4.1 DEGREES          
REMARK 500     DC C   5   N3  -  C4  -  C5  ANGL. DEV. =  -7.5 DEGREES          
REMARK 500     DC C   5   C4  -  C5  -  C6  ANGL. DEV. =   5.2 DEGREES          
REMARK 500     DC C   5   N1  -  C2  -  O2  ANGL. DEV. =  -3.9 DEGREES          
REMARK 500     DC C   5   N3  -  C2  -  O2  ANGL. DEV. =   4.7 DEGREES          
REMARK 500     DC C   5   C5  -  C4  -  N4  ANGL. DEV. =   7.2 DEGREES          
REMARK 500     DC C   5   C6  -  N1  -  C1' ANGL. DEV. =  11.7 DEGREES          
REMARK 500     DC C   5   C2  -  N1  -  C1' ANGL. DEV. =  -8.5 DEGREES          
REMARK 500     DC C   5   C3' -  O3' -  P   ANGL. DEV. =  13.8 DEGREES          
REMARK 500     DG C   6   O3' -  P   -  O5' ANGL. DEV. =  14.6 DEGREES          
REMARK 500     DG C   6   OP1 -  P   -  OP2 ANGL. DEV. = -11.1 DEGREES          
REMARK 500     DG C   6   O5' -  P   -  OP1 ANGL. DEV. = -10.9 DEGREES          
REMARK 500     DG C   6   O5' -  P   -  OP2 ANGL. DEV. =  16.1 DEGREES          
REMARK 500     DG C   6   O5' -  C5' -  C4' ANGL. DEV. =  16.9 DEGREES          
REMARK 500     DG C   6   C1' -  O4' -  C4' ANGL. DEV. =   5.8 DEGREES          
REMARK 500     DG C   6   N3  -  C4  -  C5  ANGL. DEV. =  -4.1 DEGREES          
REMARK 500     DG C   6   C4  -  C5  -  N7  ANGL. DEV. =  -4.9 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     116 ANGLE DEVIATIONS.                             
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1D53 A    1     2  PDB    1D53     1D53             1      2             
DBREF  1D53 B    3     4  PDB    1D53     1D53             3      4             
DBREF  1D53 C    5     8  PDB    1D53     1D53             5      8             
DBREF  1D53 D    9    12  PDB    1D53     1D53             9     12             
SEQRES   1 A    2   DC  DG                                                      
SEQRES   1 B    2   DC  DG                                                      
SEQRES   1 C    4   DC  DG  DC  DG                                              
SEQRES   1 D    4   DC  DG  DC  DG                                              
FORMUL   5  HOH   *69(H2 O)                                                     
CRYST1   31.000   31.000   43.700  90.00  90.00 120.00 P 65         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      0.032258  0.018624  0.000000        0.00000                         
SCALE2      0.000000  0.037248  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022883        0.00000