HEADER    DNA                                     23-APR-97   1AIO              
TITLE     CRYSTAL STRUCTURE OF A DOUBLE-STRANDED DNA CONTAINING THE MAJOR ADDUCT
TITLE    2 OF THE ANTICANCER DRUG CISPLATIN                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-D(*CP*CP*(BRU)P*CP*TP*[PT(NH3)2(GP*GP)             
COMPND   3 ]*TP*CP*TP*CP*C)-3');                                                
COMPND   4 CHAIN: A, C;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: DNA (5'-D(*GP*GP*AP*GP*AP*CP*CP*AP*GP*AP*GP*G)-3');        
COMPND   8 CHAIN: B, D;                                                         
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 MOL_ID: 2                                                            
KEYWDS    RIGHT HANDED DNA, DOUBLE HELIX, COMPLEXED WITH DRUG, MODIFIED, DNA    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.M.TAKAHARA,A.C.ROSENZWEIG,C.A.FREDERICK,S.J.LIPPARD                 
REVDAT   8   07-FEB-24 1AIO    1       REMARK LINK                              
REVDAT   7   13-JUL-11 1AIO    1       VERSN                                    
REVDAT   6   23-JUN-10 1AIO    1       FORMUL                                   
REVDAT   5   24-FEB-09 1AIO    1       VERSN                                    
REVDAT   4   01-APR-03 1AIO    1       JRNL                                     
REVDAT   3   28-JUN-02 1AIO    1       REMARK                                   
REVDAT   2   27-NOV-00 1AIO    5                                                
REVDAT   1   24-APR-97 1AIO    0                                                
SPRSDE     15-MAY-97 1AIO      1GPG                                             
JRNL        AUTH   P.M.TAKAHARA,A.C.ROSENZWEIG,C.A.FREDERICK,S.J.LIPPARD        
JRNL        TITL   CRYSTAL STRUCTURE OF DOUBLE-STRANDED DNA CONTAINING THE      
JRNL        TITL 2 MAJOR ADDUCT OF THE ANTICANCER DRUG CISPLATIN.               
JRNL        REF    NATURE                        V. 377   649 1995              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   7566180                                                      
JRNL        DOI    10.1038/377649A0                                             
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   P.M.TAKAHARA,C.A.FREDERICK,S.J.LIPPARD                       
REMARK   1  TITL   CRYSTAL STRUCTURE OF THE ANTICANCER DRUG CISPLATIN BOUND TO  
REMARK   1  TITL 2 DUPLEX DNA                                                   
REMARK   1  REF    J.AM.CHEM.SOC.                V. 118 12309 1996              
REMARK   1  REFN                   ISSN 0002-7863                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 5797                           
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 SET) : 0.206                           
REMARK   3   FREE R VALUE                     : 0.251                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 579                             
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       : 972                                     
REMARK   3   HETEROGEN ATOMS          : 6                                       
REMARK   3   SOLVENT ATOMS            : 62                                      
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) : 0.015                           
REMARK   3   BOND ANGLES            (DEGREES) : 3.100                           
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 1AIO 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_1000170864.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-JAN-95                          
REMARK 200  TEMPERATURE           (KELVIN) : 277.00                             
REMARK 200  PH                             : 6.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 4                                  
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) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 5797                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 8.000                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
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   (%): 62.94                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.50, VAPOR DIFFUSION, SITTING        
REMARK 280  DROP, TEMPERATURE 277.00K                                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,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                                                                      
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: DIMERIC                           
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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
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 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    54     O    HOH A    85              0.00            
REMARK 500   O    HOH A    55     O    HOH A    86              0.00            
REMARK 500   O    HOH A    58     O    HOH A    89              0.00            
REMARK 500   O    HOH A    60     O    HOH A    91              0.00            
REMARK 500   O    HOH A    62     O    HOH A    93              0.00            
REMARK 500   O    HOH A    66     O    HOH A    97              0.00            
REMARK 500   O    HOH A    68     O    HOH A    99              0.00            
REMARK 500   O    HOH A    80     O    HOH A   111              0.00            
REMARK 500   O    HOH B    51     O    HOH B    82              0.00            
REMARK 500   O    HOH B    52     O    HOH B    83              0.00            
REMARK 500   O    HOH B    53     O    HOH B    84              0.00            
REMARK 500   O    HOH B    56     O    HOH B    87              0.00            
REMARK 500   O    HOH B    59     O    HOH B    90              0.00            
REMARK 500   O    HOH B    61     O    HOH B    92              0.00            
REMARK 500   O    HOH B    63     O    HOH B    94              0.00            
REMARK 500   O    HOH B    69     O    HOH B   100              0.00            
REMARK 500   O    HOH B    76     O    HOH B   107              0.00            
REMARK 500   O    HOH B    79     O    HOH B   110              0.00            
REMARK 500   O    HOH C    67     O    HOH C    98              0.00            
REMARK 500   O    HOH C    72     O    HOH C   103              0.00            
REMARK 500   O    HOH C    73     O    HOH C   104              0.00            
REMARK 500   O    HOH C    75     O    HOH C   106              0.00            
REMARK 500   O    HOH C    78     O    HOH C   109              0.00            
REMARK 500   O    HOH C    81     O    HOH C   112              0.00            
REMARK 500   O    HOH D    57     O    HOH D    88              0.00            
REMARK 500   O    HOH D    64     O    HOH D    95              0.00            
REMARK 500   O    HOH D    65     O    HOH D    96              0.00            
REMARK 500   O    HOH D    70     O    HOH D   101              0.00            
REMARK 500   O    HOH D    71     O    HOH D   102              0.00            
REMARK 500   O    HOH D    74     O    HOH D   105              0.00            
REMARK 500   O    HOH D    77     O    HOH D   108              0.00            
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   2   C5'    DC A   2   C4'     0.043                       
REMARK 500     DC A   4   N1     DC A   4   C6     -0.038                       
REMARK 500     DT A   5   N3     DT A   5   C4     -0.049                       
REMARK 500     DG A   7   C5'    DG A   7   C4'     0.059                       
REMARK 500     DG A   7   C8     DG A   7   N9      0.051                       
REMARK 500     DT A   8   C3'    DT A   8   C2'    -0.061                       
REMARK 500     DT A  10   N3     DT A  10   C4     -0.049                       
REMARK 500     DT A  10   C6     DT A  10   N1     -0.045                       
REMARK 500     DC A  11   P      DC A  11   O5'     0.080                       
REMARK 500     DC A  11   C3'    DC A  11   C2'    -0.059                       
REMARK 500     DG B  16   C5'    DG B  16   C4'     0.063                       
REMARK 500     DG B  16   O3'    DG B  16   C3'    -0.036                       
REMARK 500     DG B  16   C6     DG B  16   N1     -0.048                       
REMARK 500     DC B  18   C3'    DC B  18   C2'    -0.049                       
REMARK 500     DC B  19   C3'    DC B  19   C2'    -0.060                       
REMARK 500     DC B  19   N1     DC B  19   C6     -0.043                       
REMARK 500     DA B  22   C4     DA B  22   C5     -0.048                       
REMARK 500     DA B  22   C5     DA B  22   N7     -0.037                       
REMARK 500     DA B  22   C8     DA B  22   N9     -0.052                       
REMARK 500     DA B  22   N9     DA B  22   C4     -0.037                       
REMARK 500     DG B  23   C6     DG B  23   N1     -0.044                       
REMARK 500     DG B  24   C6     DG B  24   N1     -0.051                       
REMARK 500     DG B  24   C8     DG B  24   N9     -0.049                       
REMARK 500     DT C  29   C3'    DT C  29   C2'    -0.067                       
REMARK 500     DG C  30   N1     DG C  30   C2     -0.051                       
REMARK 500     DG C  31   C5'    DG C  31   C4'     0.061                       
REMARK 500     DG C  31   C4'    DG C  31   C3'    -0.067                       
REMARK 500     DG C  31   C8     DG C  31   N9      0.059                       
REMARK 500     DT C  32   C5'    DT C  32   C4'     0.058                       
REMARK 500     DT C  34   C5'    DT C  34   C4'     0.067                       
REMARK 500     DT C  34   N3     DT C  34   C4     -0.049                       
REMARK 500     DT C  34   C5     DT C  34   C7      0.040                       
REMARK 500     DC C  36   P      DC C  36   O5'     0.084                       
REMARK 500     DG D  37   C5'    DG D  37   C4'     0.057                       
REMARK 500     DA D  41   C5'    DA D  41   C4'     0.050                       
REMARK 500     DC D  43   N1     DC D  43   C2     -0.065                       
REMARK 500     DA D  44   C6     DA D  44   N1     -0.052                       
REMARK 500     DG D  48   C6     DG D  48   N1     -0.048                       
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   C4' -  C3' -  C2' ANGL. DEV. =  -4.8 DEGREES          
REMARK 500     DC A   1   O4' -  C1' -  N1  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DC A   4   C4' -  C3' -  C2' ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     DT A   5   C4' -  C3' -  C2' ANGL. DEV. =  -8.4 DEGREES          
REMARK 500     DT A   5   O4' -  C1' -  C2' ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     DT A   5   O4' -  C1' -  N1  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DG A   6   C5  -  C6  -  N1  ANGL. DEV. =   3.9 DEGREES          
REMARK 500     DG A   6   C4  -  C5  -  N7  ANGL. DEV. =   3.0 DEGREES          
REMARK 500     DG A   6   C5  -  N7  -  C8  ANGL. DEV. =  -3.5 DEGREES          
REMARK 500     DG A   7   O4' -  C4' -  C3' ANGL. DEV. =  -2.6 DEGREES          
REMARK 500     DG A   7   C4' -  C3' -  C2' ANGL. DEV. =  -5.2 DEGREES          
REMARK 500     DG A   7   O4' -  C1' -  N9  ANGL. DEV. =   2.4 DEGREES          
REMARK 500     DG A   7   C4  -  C5  -  N7  ANGL. DEV. =   2.6 DEGREES          
REMARK 500     DG A   7   C5  -  N7  -  C8  ANGL. DEV. =  -4.8 DEGREES          
REMARK 500     DG A   7   C8  -  N9  -  C1' ANGL. DEV. =   9.1 DEGREES          
REMARK 500     DT A   8   O4' -  C4' -  C3' ANGL. DEV. =  -2.5 DEGREES          
REMARK 500     DT A   8   C6  -  C5  -  C7  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     DT A  10   O4' -  C4' -  C3' ANGL. DEV. =   3.8 DEGREES          
REMARK 500     DT A  10   N1  -  C2  -  N3  ANGL. DEV. =   5.5 DEGREES          
REMARK 500     DT A  10   C4  -  C5  -  C6  ANGL. DEV. =   4.7 DEGREES          
REMARK 500     DT A  10   C5  -  C6  -  N1  ANGL. DEV. =  -3.8 DEGREES          
REMARK 500     DT A  10   N3  -  C2  -  O2  ANGL. DEV. =  -4.6 DEGREES          
REMARK 500     DT A  10   C5  -  C4  -  O4  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DT A  10   C6  -  C5  -  C7  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     DC A  11   O4' -  C4' -  C3' ANGL. DEV. =   4.6 DEGREES          
REMARK 500     DC A  11   O4' -  C1' -  C2' ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     DC A  11   N1  -  C2  -  O2  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DC A  11   N3  -  C2  -  O2  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500     DG B  13   N9  -  C4  -  C5  ANGL. DEV. =   2.6 DEGREES          
REMARK 500     DG B  14   P   -  O5' -  C5' ANGL. DEV. =  -9.7 DEGREES          
REMARK 500     DG B  14   O4' -  C1' -  C2' ANGL. DEV. =  -6.1 DEGREES          
REMARK 500     DA B  15   O4' -  C1' -  N9  ANGL. DEV. =  -4.9 DEGREES          
REMARK 500     DG B  16   O4' -  C1' -  N9  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DG B  16   N9  -  C4  -  C5  ANGL. DEV. =   2.5 DEGREES          
REMARK 500     DG B  16   N1  -  C6  -  O6  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500     DA B  17   C4' -  C3' -  C2' ANGL. DEV. =  -7.9 DEGREES          
REMARK 500     DC B  18   O4' -  C4' -  C3' ANGL. DEV. =  -2.9 DEGREES          
REMARK 500     DC B  19   O4' -  C4' -  C3' ANGL. DEV. =  -2.9 DEGREES          
REMARK 500     DC B  19   N1  -  C2  -  O2  ANGL. DEV. =   3.9 DEGREES          
REMARK 500     DC B  19   N3  -  C2  -  O2  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500     DG B  21   C4' -  C3' -  C2' ANGL. DEV. =  -6.0 DEGREES          
REMARK 500     DG B  21   O4' -  C1' -  N9  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DG B  21   N9  -  C4  -  C5  ANGL. DEV. =   2.5 DEGREES          
REMARK 500     DG B  23   O4' -  C4' -  C3' ANGL. DEV. =  -3.5 DEGREES          
REMARK 500     DG B  23   O4' -  C1' -  N9  ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DG B  24   O4' -  C1' -  C2' ANGL. DEV. =  -4.9 DEGREES          
REMARK 500     DG B  24   N1  -  C6  -  O6  ANGL. DEV. =  -4.9 DEGREES          
REMARK 500     DC C  25   C4' -  C3' -  C2' ANGL. DEV. =  -7.5 DEGREES          
REMARK 500     DC C  26   N1  -  C2  -  O2  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DC C  28   O4' -  C1' -  C2' ANGL. DEV. =  -5.5 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      92 ANGLE DEVIATIONS.                             
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500     DG C  30         0.06    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             CPT A  49  PT1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG A   6   N7                                                     
REMARK 620 2 CPT A  49   N1   83.2                                              
REMARK 620 3 CPT A  49   N2  154.9  98.5                                        
REMARK 620 4  DG A   6   C8   24.9  83.0 178.4                                  
REMARK 620 5  DG A   6   C5   23.3 101.8 135.8  43.4                            
REMARK 620 6  DG A   7   N7   99.5 160.4  70.9 107.6  77.2                      
REMARK 620 7  DG A   7   C8   83.9 164.1  97.1  81.4  68.4  32.7                
REMARK 620 8  DG A   7   C5   94.4 150.6  71.8 106.8  71.3  11.0  40.1          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             CPT C  50  PT1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG C  30   N7                                                     
REMARK 620 2 CPT C  50   N1   88.1                                              
REMARK 620 3 CPT C  50   N2  155.2  91.8                                        
REMARK 620 4  DG C  30   C8   25.5  87.8 179.2                                  
REMARK 620 5  DG C  30   C5   21.2 104.2 138.3  42.5                            
REMARK 620 6  DG C  31   N7   99.9 157.1  72.0 108.6  79.8                      
REMARK 620 7  DG C  31   C8   84.2 169.5  98.2  82.2  70.3  32.6                
REMARK 620 8  DG C  31   C5   93.3 146.2  73.4 107.3  72.2  13.8  41.8          
REMARK 620 N                    1     2     3     4     5     6     7           
DBREF  1AIO A    1    12  PDB    1AIO     1AIO             1     12             
DBREF  1AIO B   13    24  PDB    1AIO     1AIO            13     24             
DBREF  1AIO C   25    36  PDB    1AIO     1AIO            25     36             
DBREF  1AIO D   37    48  PDB    1AIO     1AIO            37     48             
SEQRES   1 A   12   DC  DC BRU  DC  DT  DG  DG  DT  DC  DT  DC  DC              
SEQRES   1 B   12   DG  DG  DA  DG  DA  DC  DC  DA  DG  DA  DG  DG              
SEQRES   1 C   12   DC  DC BRU  DC  DT  DG  DG  DT  DC  DT  DC  DC              
SEQRES   1 D   12   DG  DG  DA  DG  DA  DC  DC  DA  DG  DA  DG  DG              
MODRES 1AIO BRU A    3   DU                                                     
MODRES 1AIO BRU C   27   DU                                                     
HET    BRU  A   3      20                                                       
HET    BRU  C  27      20                                                       
HET    CPT  A  49       3                                                       
HET    CPT  C  50       3                                                       
HETNAM     BRU 5-BROMO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE                         
HETNAM     CPT CISPLATIN                                                        
HETSYN     CPT DIAMMINE(DICHLORO)PLATINUM                                       
FORMUL   1  BRU    2(C9 H12 BR N2 O8 P)                                         
FORMUL   5  CPT    2(CL2 H6 N2 PT)                                              
FORMUL   7  HOH   *62(H2 O)                                                     
LINK         O3'  DC A   2                 P   BRU A   3     1555   1555  1.62  
LINK         O3' BRU A   3                 P    DC A   4     1555   1555  1.56  
LINK         O3'  DC C  26                 P   BRU C  27     1555   1555  1.61  
LINK         O3' BRU C  27                 P    DC C  28     1555   1555  1.56  
LINK         N7   DG A   6                PT1  CPT A  49     1555   1555  1.86  
LINK         C8   DG A   6                PT1  CPT A  49     1555   1555  2.71  
LINK         C5   DG A   6                PT1  CPT A  49     1555   1555  2.92  
LINK         N7   DG A   7                PT1  CPT A  49     1555   1555  1.93  
LINK         C8   DG A   7                PT1  CPT A  49     1555   1555  2.45  
LINK         C5   DG A   7                PT1  CPT A  49     1555   1555  3.26  
LINK         N7   DG C  30                PT1  CPT C  50     1555   1555  1.91  
LINK         C8   DG C  30                PT1  CPT C  50     1555   1555  2.71  
LINK         C5   DG C  30                PT1  CPT C  50     1555   1555  2.99  
LINK         N7   DG C  31                PT1  CPT C  50     1555   1555  1.90  
LINK         C8   DG C  31                PT1  CPT C  50     1555   1555  2.46  
LINK         C5   DG C  31                PT1  CPT C  50     1555   1555  3.19  
SITE     1 AC1  3  DT A   5   DG A   6   DG A   7                               
SITE     1 AC2  3  DT C  29   DG C  30   DG C  31                               
CRYST1   31.270   35.460   47.010  79.81  84.75  82.79 P 1           2          
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      0.031980 -0.004046 -0.002294        0.00000                         
SCALE2      0.000000  0.028426 -0.004829        0.00000                         
SCALE3      0.000000  0.000000  0.021668        0.00000