HEADER    DNA                                     22-FEB-96   249D              
TITLE     STRUCTURAL COMPARISON BETWEEN THE D(CTAG) SEQUENCE IN OLIGONUCLEOTIDES
TITLE    2 AND TRP AND MET REPRESSOR-OPERATOR COMPLEXES                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-D(*CP*GP*CP*TP*CP*TP*AP*GP*AP*GP*CP*G)-3');        
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    B-DNA, DOUBLE HELIX, DNA                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.URPI,V.TERESHKO,L.MALININA,T.HUYNH-DINH,J.A.SUBIRANA                
REVDAT   4   14-FEB-24 249D    1       REMARK                                   
REVDAT   3   18-APR-18 249D    1       REMARK                                   
REVDAT   2   24-FEB-09 249D    1       VERSN                                    
REVDAT   1   19-APR-96 249D    0                                                
JRNL        AUTH   L.URPI,V.TERESHKO,L.MALININA,T.HUYNH-DINH,J.A.SUBIRANA       
JRNL        TITL   STRUCTURAL COMPARISON BETWEEN THE D(CTAG) SEQUENCE IN        
JRNL        TITL 2 OLIGONUCLEOTIDES AND TRP AND MET REPRESSOR-OPERATOR          
JRNL        TITL 3 COMPLEXES.                                                   
JRNL        REF    NAT.STRUCT.BIOL.              V.   3   325 1996              
JRNL        REFN                   ISSN 1072-8368                               
JRNL        PMID   8599757                                                      
JRNL        DOI    10.1038/NSB0496-325                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   R.V.TERESHKO,L.URPI,L.MALININA,T.HUYNH-DINH,J.A.SUBIRANA     
REMARK   1  TITL   STRUCTURE OF THE B-DNA OLIGOMERS D(CGCTAGCG) AND             
REMARK   1  TITL 2 D(CGCTCTAGAGCG) IN NEW CRYSTAL FORMS                         
REMARK   1  REF    BIOCHEMISTRY                  V.  35 11589 1996              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.25 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) : 2.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 72.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 4222                           
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) : 0.197                           
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       : 942                                     
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 47                                      
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) : 0.022                           
REMARK   3   BOND ANGLES            (DEGREES) : 4.100                           
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 249D 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_1000177649.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-APR-89                          
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 7.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : DIFFRACTOMETER                     
REMARK 200  DETECTOR MANUFACTURER          : ENRAF-NONIUS CAD4                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : ENRAF-NONIUS                       
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 5276                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.250                              
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 88.9                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.09000                            
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   (%): 42.91                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.00, VAPOR DIFFUSION                 
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       34.45500            
REMARK 290   SMTRY3   2  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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465      DC C    25                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470      DC A   1    O5'  C5'  C4'  O4'  C2'  C1'  N1                    
REMARK 470      DC A   1    C2   O2   N3   C4   N4   C5   C6                    
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   O4    DT C    28     H62   DA D    45              1.45            
REMARK 500   H42   DC A    11     O6    DG B    14              1.47            
REMARK 500   O2    DC A     3     H22   DG B    22              1.47            
REMARK 500   H62   DA C    33     O4    DT D    40              1.47            
REMARK 500   O2    DC C    27     H22   DG D    46              1.48            
REMARK 500   H22   DG A     2     O2    DC B    23              1.50            
REMARK 500   N3    DC A     3     H1    DG B    22              1.55            
REMARK 500   N1    DA C    31     H3    DT D    42              1.55            
REMARK 500   H42   DC C    35     O6    DG D    38              1.56            
REMARK 500   N1    DA A     7     H3    DT B    18              1.58            
REMARK 500   H22   DG A    12     O2    DC B    13              1.58            
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  HO3'   DG A    12     H21   DG B    22     2655     1.32            
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 A   6   N3     DT A   6   C4     -0.054                       
REMARK 500     DC B  13   C5'    DC B  13   C4'     0.049                       
REMARK 500     DC B  17   C3'    DC B  17   C2'    -0.051                       
REMARK 500     DT B  18   C4'    DT B  18   C3'    -0.067                       
REMARK 500     DA B  19   P      DA B  19   O5'     0.067                       
REMARK 500     DG B  20   C5'    DG B  20   C4'     0.047                       
REMARK 500     DG B  22   C5     DG B  22   C6     -0.067                       
REMARK 500     DG B  22   C6     DG B  22   N1     -0.049                       
REMARK 500     DC B  23   C3'    DC B  23   C2'    -0.059                       
REMARK 500     DC C  27   C2'    DC C  27   C1'    -0.064                       
REMARK 500     DT C  28   C5     DT C  28   C6     -0.046                       
REMARK 500     DC C  29   O3'    DC C  29   C3'    -0.037                       
REMARK 500     DT C  30   C5'    DT C  30   C4'     0.047                       
REMARK 500     DG C  34   O3'    DG C  34   C3'    -0.036                       
REMARK 500     DG C  36   C5'    DG C  36   C4'     0.050                       
REMARK 500     DC D  37   C5'    DC D  37   C4'     0.044                       
REMARK 500     DC D  39   C4'    DC D  39   C3'    -0.072                       
REMARK 500     DC D  39   C2'    DC D  39   C1'    -0.061                       
REMARK 500     DT D  42   C3'    DT D  42   C2'    -0.054                       
REMARK 500     DG D  44   P      DG D  44   O5'     0.067                       
REMARK 500     DC D  47   N3     DC D  47   C4     -0.055                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DG A   2   O4' -  C4' -  C3' ANGL. DEV. =  -3.6 DEGREES          
REMARK 500     DC A   3   O4' -  C1' -  N1  ANGL. DEV. =   3.3 DEGREES          
REMARK 500     DC A   3   N1  -  C2  -  O2  ANGL. DEV. =   5.1 DEGREES          
REMARK 500     DC A   3   N3  -  C2  -  O2  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500     DT A   4   C6  -  C5  -  C7  ANGL. DEV. =  -4.4 DEGREES          
REMARK 500     DC A   5   O5' -  C5' -  C4' ANGL. DEV. =  -4.8 DEGREES          
REMARK 500     DC A   5   O4' -  C1' -  C2' ANGL. DEV. =  -7.7 DEGREES          
REMARK 500     DC A   5   C3' -  O3' -  P   ANGL. DEV. =   8.7 DEGREES          
REMARK 500     DT A   6   O4' -  C1' -  C2' ANGL. DEV. =  -6.2 DEGREES          
REMARK 500     DT A   6   O4' -  C1' -  N1  ANGL. DEV. =   3.6 DEGREES          
REMARK 500     DT A   6   C4  -  C5  -  C6  ANGL. DEV. =   4.7 DEGREES          
REMARK 500     DT A   6   C4  -  C5  -  C7  ANGL. DEV. =  -3.9 DEGREES          
REMARK 500     DA A   7   O4' -  C1' -  N9  ANGL. DEV. =   3.2 DEGREES          
REMARK 500     DG A   8   O4' -  C1' -  N9  ANGL. DEV. =   6.6 DEGREES          
REMARK 500     DC A  11   O4' -  C1' -  N1  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DG A  12   O4' -  C4' -  C3' ANGL. DEV. =  -2.4 DEGREES          
REMARK 500     DC B  13   N1  -  C2  -  O2  ANGL. DEV. =   3.6 DEGREES          
REMARK 500     DG B  14   C5' -  C4' -  O4' ANGL. DEV. =   7.8 DEGREES          
REMARK 500     DG B  14   O4' -  C1' -  N9  ANGL. DEV. =   6.6 DEGREES          
REMARK 500     DG B  14   N1  -  C6  -  O6  ANGL. DEV. =  -4.7 DEGREES          
REMARK 500     DG B  14   C5  -  C6  -  O6  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DC B  15   O4' -  C4' -  C3' ANGL. DEV. =  -3.1 DEGREES          
REMARK 500     DC B  15   C5' -  C4' -  C3' ANGL. DEV. = -11.6 DEGREES          
REMARK 500     DC B  15   O4' -  C1' -  C2' ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DT B  16   O4' -  C1' -  N1  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DT B  16   C4  -  C5  -  C6  ANGL. DEV. =   4.0 DEGREES          
REMARK 500     DT B  16   C6  -  C5  -  C7  ANGL. DEV. =  -6.0 DEGREES          
REMARK 500     DC B  17   O4' -  C4' -  C3' ANGL. DEV. =   3.8 DEGREES          
REMARK 500     DC B  17   O4' -  C1' -  C2' ANGL. DEV. =  -5.5 DEGREES          
REMARK 500     DC B  17   O4' -  C1' -  N1  ANGL. DEV. =   8.1 DEGREES          
REMARK 500     DC B  17   N1  -  C2  -  O2  ANGL. DEV. =   4.5 DEGREES          
REMARK 500     DT B  18   O4' -  C4' -  C3' ANGL. DEV. =  -5.1 DEGREES          
REMARK 500     DT B  18   C5' -  C4' -  O4' ANGL. DEV. =   7.8 DEGREES          
REMARK 500     DT B  18   C4' -  C3' -  O3' ANGL. DEV. = -15.8 DEGREES          
REMARK 500     DT B  18   O4' -  C1' -  C2' ANGL. DEV. =  -6.5 DEGREES          
REMARK 500     DT B  18   C6  -  C5  -  C7  ANGL. DEV. =  -4.3 DEGREES          
REMARK 500     DA B  19   O4' -  C1' -  N9  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DA B  19   C3' -  O3' -  P   ANGL. DEV. =  12.6 DEGREES          
REMARK 500     DG B  20   O4' -  C1' -  N9  ANGL. DEV. =  13.6 DEGREES          
REMARK 500     DG B  20   C3' -  O3' -  P   ANGL. DEV. =  16.8 DEGREES          
REMARK 500     DA B  21   O4' -  C1' -  N9  ANGL. DEV. =   5.6 DEGREES          
REMARK 500     DA B  21   C3' -  O3' -  P   ANGL. DEV. =   9.8 DEGREES          
REMARK 500     DG B  22   O4' -  C1' -  C2' ANGL. DEV. =  -7.0 DEGREES          
REMARK 500     DC B  23   C6  -  N1  -  C2  ANGL. DEV. =   2.5 DEGREES          
REMARK 500     DC B  23   N3  -  C4  -  C5  ANGL. DEV. =   2.9 DEGREES          
REMARK 500     DC B  23   N1  -  C2  -  O2  ANGL. DEV. =   5.8 DEGREES          
REMARK 500     DG C  26   O4' -  C4' -  C3' ANGL. DEV. =  -4.7 DEGREES          
REMARK 500     DG C  26   N9  -  C1' -  C2' ANGL. DEV. =  10.6 DEGREES          
REMARK 500     DC C  27   N1  -  C1' -  C2' ANGL. DEV. =   8.4 DEGREES          
REMARK 500     DC C  27   O4' -  C1' -  N1  ANGL. DEV. =   3.4 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      97 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     DC B  15         0.09    SIDE CHAIN                              
REMARK 500     DT B  18         0.09    SIDE CHAIN                              
REMARK 500     DG C  26         0.07    SIDE CHAIN                              
REMARK 500     DC C  27         0.08    SIDE CHAIN                              
REMARK 500     DC D  37         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 49                   
DBREF  249D A    1    12  PDB    249D     249D             1     12             
DBREF  249D B   13    24  PDB    249D     249D            13     24             
DBREF  249D C   25    36  PDB    249D     249D            25     36             
DBREF  249D D   37    48  PDB    249D     249D            37     48             
SEQRES   1 A   12   DC  DG  DC  DT  DC  DT  DA  DG  DA  DG  DC  DG              
SEQRES   1 B   12   DC  DG  DC  DT  DC  DT  DA  DG  DA  DG  DC  DG              
SEQRES   1 C   12   DC  DG  DC  DT  DC  DT  DA  DG  DA  DG  DC  DG              
SEQRES   1 D   12   DC  DG  DC  DT  DC  DT  DA  DG  DA  DG  DC  DG              
HET     CA  A  49       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   5   CA    CA 2+                                                        
FORMUL   6  HOH   *47(H2 O)                                                     
LINK         OP2  DG A   2                CA    CA A  49     1555   1555  2.27  
SITE     1 AC1  2  DG A   2   DG D  48                                          
CRYST1   35.050   68.910   26.150  90.00  91.16  90.00 P 1 21 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      0.028531  0.000000  0.000578        0.00000                         
SCALE2      0.000000  0.014512  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.038249        0.00000