PDB Short entry for 1D31
HEADER    DNA                                     25-APR-91   1D31              
TITLE     THE THREE-DIMENSIONAL STRUCTURES OF BULGE-CONTAINING DNA              
TITLE    2 FRAGMENTS                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-                                                   
COMPND   3 D(*CP*GP*CP*AP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3');                       
COMPND   4 CHAIN: A, B;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    B-DNA, DOUBLE HELIX, BULGES, FLIPPED-OUT BASE                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.JOSHUA-TOR,F.FROLOW,E.APPELLA,H.HOPE,D.RABINOVICH,                  
AUTHOR   2 J.L.SUSSMAN                                                          
REVDAT   3   24-FEB-09 1D31    1       VERSN                                    
REVDAT   2   01-APR-03 1D31    1       JRNL                                     
REVDAT   1   15-APR-92 1D31    0                                                
JRNL        AUTH   L.JOSHUA-TOR,F.FROLOW,E.APPELLA,H.HOPE,                      
JRNL        AUTH 2 D.RABINOVICH,J.L.SUSSMAN                                     
JRNL        TITL   THREE-DIMENSIONAL STRUCTURES OF BULGE-CONTAINING             
JRNL        TITL 2 DNA FRAGMENTS.                                               
JRNL        REF    J.MOL.BIOL.                   V. 225   397 1992              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   1593627                                                      
JRNL        DOI    10.1016/0022-2836(92)90929-E                                 
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   L.JOSHUA-TOR,D.RABINOVICH,H.HOPE,F.FROLOW,                   
REMARK   1  AUTH 2 E.APPELLA,J.L.SUSSMAN                                        
REMARK   1  TITL   THE THREE-DIMENSIONAL STRUCTURE OF A DNA DUPLEX              
REMARK   1  TITL 2 CONTAINING LOOPED-OUT BASES                                  
REMARK   1  REF    NATURE                        V. 334    82 1988              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   M.A.SAPER,H.ELDAR,K.MIZUUCHI,J.NICKOL,E.APPELLA,             
REMARK   1  AUTH 2 J.L.SUSSMAN                                                  
REMARK   1  TITL   CRYSTALLIZATION OF A DNA TRIDECAMER                          
REMARK   1  TITL 2 D(CGCAGAATTCGCG)                                             
REMARK   1  REF    J.MOL.BIOL.                   V. 188   111 1986              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NUCLSQ, X-PLOR                                       
REMARK   3   AUTHORS     : WESTHOF,DUMAS,MORAS                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 3.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 1640                           
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 + TEST SET) : 0.186                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
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                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 528                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 23                                      
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  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS     SIGMA              
REMARK   3    SUGAR-BASE BOND DISTANCE        (A) : NULL  ; NULL                
REMARK   3    SUGAR-BASE BOND ANGLE DISTANCE  (A) : NULL  ; NULL                
REMARK   3    PHOSPHATE BONDS DISTANCE        (A) : NULL  ; NULL                
REMARK   3    PHOSPHATE BOND ANGLE, H-BOND    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION CONTACT          (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION CONTACT        (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   SUGAR-BASE BONDS             (A**2) : NULL  ; NULL                 
REMARK   3   SUGAR-BASE ANGLES            (A**2) : NULL  ; NULL                 
REMARK   3   PHOSPHATE BONDS              (A**2) : NULL  ; NULL                 
REMARK   3   PHOSPHATE BOND ANGLE, H-BOND (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1D31 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 120.00                             
REMARK 200  PH                             : 7.00                               
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                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : DIFFRACTOMETER                     
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU AFC-5R                      
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 5530                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
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   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.00, VAPOR DIFFUSION, SITTING        
REMARK 280  DROP, TEMPERATURE 277.00K                                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
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+1/2,Y+1/2,Z                                           
REMARK 290       4555   -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       39.24000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       21.42000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       39.24000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       21.42000            
REMARK 290   SMTRY3   4  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, 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 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   OP2  DT  B    21     O    HOH B    47              1.92            
REMARK 500   OP1  DG  B    26     O    HOH B    41              2.01            
REMARK 500   OP2  DG  A    11     O    HOH A    33              2.15            
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 B    41     O    HOH B    41     2555     1.24            
REMARK 500   O5'  DC  A     1     O4'  DC  B    14     3444     2.15            
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     DT B  22   C2'    DT B  22   C1'    -0.067                       
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   C5' -  C4' -  C3' ANGL. DEV. = -12.3 DEGREES          
REMARK 500     DG A   2   OP1 -  P   -  OP2 ANGL. DEV. = -11.2 DEGREES          
REMARK 500     DG A   2   O4' -  C1' -  N9  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500     DC A   3   O4' -  C1' -  N1  ANGL. DEV. =   2.8 DEGREES          
REMARK 500     DA A   4   OP1 -  P   -  OP2 ANGL. DEV. = -10.8 DEGREES          
REMARK 500     DG A   5   OP1 -  P   -  OP2 ANGL. DEV. = -10.3 DEGREES          
REMARK 500     DG A   5   O4' -  C1' -  N9  ANGL. DEV. =  11.4 DEGREES          
REMARK 500     DG A   5   C5  -  C6  -  N1  ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DA A   6   OP1 -  P   -  OP2 ANGL. DEV. = -12.3 DEGREES          
REMARK 500     DA A   6   N1  -  C2  -  N3  ANGL. DEV. =  -3.3 DEGREES          
REMARK 500     DG A   5   C3' -  O3' -  P   ANGL. DEV. =  -8.5 DEGREES          
REMARK 500     DA A   7   OP1 -  P   -  OP2 ANGL. DEV. = -11.0 DEGREES          
REMARK 500     DA A   7   C6  -  N1  -  C2  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DA A   7   N1  -  C2  -  N3  ANGL. DEV. =  -3.1 DEGREES          
REMARK 500     DA A   7   C5  -  C6  -  N1  ANGL. DEV. =  -3.6 DEGREES          
REMARK 500     DT A   8   OP1 -  P   -  OP2 ANGL. DEV. =  -9.9 DEGREES          
REMARK 500     DT A   8   O4' -  C1' -  N1  ANGL. DEV. =   4.0 DEGREES          
REMARK 500     DT A   8   N1  -  C2  -  N3  ANGL. DEV. =   4.2 DEGREES          
REMARK 500     DT A   8   C2  -  N3  -  C4  ANGL. DEV. =  -6.1 DEGREES          
REMARK 500     DT A   8   N3  -  C4  -  C5  ANGL. DEV. =   4.7 DEGREES          
REMARK 500     DT A   8   C5  -  C4  -  O4  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500     DT A   9   OP1 -  P   -  OP2 ANGL. DEV. = -13.8 DEGREES          
REMARK 500     DT A   9   C2  -  N3  -  C4  ANGL. DEV. =  -3.7 DEGREES          
REMARK 500     DG A  11   C6  -  N1  -  C2  ANGL. DEV. =  -4.7 DEGREES          
REMARK 500     DG A  11   C5  -  C6  -  N1  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DC A  10   C3' -  O3' -  P   ANGL. DEV. =  13.7 DEGREES          
REMARK 500     DC A  12   O4' -  C1' -  N1  ANGL. DEV. =   5.6 DEGREES          
REMARK 500     DC A  12   C2  -  N3  -  C4  ANGL. DEV. =   3.2 DEGREES          
REMARK 500     DG A  11   C3' -  O3' -  P   ANGL. DEV. =   9.6 DEGREES          
REMARK 500     DG A  13   C5' -  C4' -  C3' ANGL. DEV. = -11.3 DEGREES          
REMARK 500     DC A  12   C3' -  O3' -  P   ANGL. DEV. =  15.6 DEGREES          
REMARK 500     DC B  14   C5' -  C4' -  C3' ANGL. DEV. = -11.4 DEGREES          
REMARK 500     DC B  14   O4' -  C1' -  N1  ANGL. DEV. =   4.5 DEGREES          
REMARK 500     DG B  15   C5' -  C4' -  C3' ANGL. DEV. = -12.1 DEGREES          
REMARK 500     DC B  16   OP1 -  P   -  OP2 ANGL. DEV. = -11.6 DEGREES          
REMARK 500     DC B  16   O3' -  P   -  O5' ANGL. DEV. =  11.9 DEGREES          
REMARK 500     DA B  17   OP1 -  P   -  OP2 ANGL. DEV. = -10.0 DEGREES          
REMARK 500     DA B  17   O4' -  C1' -  N9  ANGL. DEV. =   5.9 DEGREES          
REMARK 500     DA B  17   C5  -  C6  -  N1  ANGL. DEV. =  -3.2 DEGREES          
REMARK 500     DG B  18   OP1 -  P   -  OP2 ANGL. DEV. = -16.3 DEGREES          
REMARK 500     DG B  18   N9  -  C1' -  C2' ANGL. DEV. =  12.7 DEGREES          
REMARK 500     DG B  18   O4' -  C1' -  N9  ANGL. DEV. =   3.4 DEGREES          
REMARK 500     DG B  18   C8  -  N9  -  C4  ANGL. DEV. =  -2.5 DEGREES          
REMARK 500     DA B  17   C3' -  O3' -  P   ANGL. DEV. =  18.9 DEGREES          
REMARK 500     DA B  19   OP1 -  P   -  OP2 ANGL. DEV. =  -9.7 DEGREES          
REMARK 500     DA B  20   OP1 -  P   -  OP2 ANGL. DEV. = -11.9 DEGREES          
REMARK 500     DT B  21   OP1 -  P   -  OP2 ANGL. DEV. = -10.9 DEGREES          
REMARK 500     DT B  21   O4' -  C1' -  N1  ANGL. DEV. =   4.7 DEGREES          
REMARK 500     DT B  22   C5' -  C4' -  C3' ANGL. DEV. = -12.7 DEGREES          
REMARK 500     DT B  22   O4' -  C1' -  C2' ANGL. DEV. =   5.4 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      66 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 A   2         0.05    SIDE_CHAIN                              
REMARK 500     DC B  25         0.07    SIDE_CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1D31 A    1    13  PDB    1D31     1D31             1     13             
DBREF  1D31 B   14    26  PDB    1D31     1D31            14     26             
SEQRES   1 A   13   DC  DG  DC  DA  DG  DA  DA  DT  DT  DC  DG  DC  DG          
SEQRES   1 B   13   DC  DG  DC  DA  DG  DA  DA  DT  DT  DC  DG  DC  DG          
FORMUL   3  HOH   *23(H2 O)                                                     
CRYST1   78.480   42.840   25.160  90.00  99.36  90.00 C 1 2 1       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      0.012742  0.000000  0.002100        0.00000                         
SCALE2      0.000000  0.023343  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.040282        0.00000