PDB Full entry for 1R2O
HEADER    DNA                                     29-SEP-03   1R2O              
TITLE     D(GCATGCT) + NI2+                                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*GP*CP*AP*TP*GP*CP*T)-3';                             
COMPND   3 CHAIN: X;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    METAL ION, DNA QUADRUPLEX, DNA                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.C.CARDIN,Y.GAN,J.H.THORPE,S.C.M.TEIXEIRA,B.C.GALE,M.I.A.MORAES      
REVDAT   3   14-FEB-24 1R2O    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1R2O    1       VERSN                                    
REVDAT   1   21-OCT-03 1R2O    0                                                
JRNL        AUTH   J.C.CARDIN,Y.GAN,J.H.THORPE,S.C.M.TEIXEIRA,B.C.GALE,         
JRNL        AUTH 2 M.I.A.MORAES                                                 
JRNL        TITL   METAL ION DISTRIBUTION AND STABILIZATION OF THE DNA          
JRNL        TITL 2 QUADRUPLEX STRUCTURE FORMED BY D(GCATGCT)                    
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.38 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.38                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.71                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 801                            
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 + TEST SET) : 0.226                           
REMARK   3   R VALUE            (WORKING SET) : 0.224                           
REMARK   3   FREE R VALUE                     : 0.246                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.700                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 22                              
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.38                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.45                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 52                           
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1790                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 7                            
REMARK   3   BIN FREE R VALUE                    : 0.1900                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 140                                     
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 8                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 31.36                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.85                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.26000                                              
REMARK   3    B22 (A**2) : 0.26000                                              
REMARK   3    B33 (A**2) : -0.39000                                             
REMARK   3    B12 (A**2) : 0.13000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.661         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.277         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.112         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.499         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.910                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.897                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):   178 ; 0.017 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):    81 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):   273 ; 2.467 ; 3.000       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):   202 ; 1.191 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):    24 ; 0.072 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):    83 ; 0.011 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):     3 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):    12 ; 0.121 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):    62 ; 0.200 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):    45 ; 0.091 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):     2 ; 0.136 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    11 ; 0.159 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):     9 ; 0.233 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     7 ; 0.103 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   178 ; 2.173 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   273 ; 3.214 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1R2O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-SEP-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000020361.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-DEC-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.7                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8126                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 857                                
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.380                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.710                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 13.47                              
REMARK 200  R MERGE                    (I) : 0.08200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.38                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.51                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 17.10                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.21600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: XTALVIEW                                              
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 34.03                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CACODYLATE, NICKEL DICHLORIDE,    
REMARK 280  POTASSIUM CHLORIDE, MPD, PH 5.7, VAPOR DIFFUSION, SITTING DROP,     
REMARK 280  TEMPERATURE 290K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z                                                 
REMARK 290       5555   Y,-X+Y,Z+2/3                                            
REMARK 290       6555   X-Y,X,Z+1/3                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+2/3                                            
REMARK 290      11555   -X+Y,Y,-Z                                               
REMARK 290      12555   X,X-Y,-Z+1/3                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       61.38733            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       30.69367            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       61.38733            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       30.69367            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       61.38733            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       30.69367            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       61.38733            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       30.69367            
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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: X                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000 -1.000000       30.69367            
REMARK 350   BIOMT1   4  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   4  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000       30.69367            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 N3    DT X   7  LIES ON A SPECIAL POSITION.                          
REMARK 375 C4    DT X   7  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH X 201  LIES ON A SPECIAL POSITION.                          
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 X   1   N3  -  C2  -  N2  ANGL. DEV. =   4.9 DEGREES          
REMARK 500     DC X   2   O4' -  C1' -  N1  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DA X   3   O4' -  C1' -  N9  ANGL. DEV. =   3.3 DEGREES          
REMARK 500     DC X   6   O5' -  P   -  OP2 ANGL. DEV. =   7.6 DEGREES          
REMARK 500     DT X   7   N1  -  C2  -  O2  ANGL. DEV. =   6.9 DEGREES          
REMARK 500     DT X   7   N3  -  C2  -  O2  ANGL. DEV. =  -7.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI X 101  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG X   1   N7                                                     
REMARK 620 2  DG X   5   N7  174.7                                              
REMARK 620 3 HOH X 202   O    94.8  82.7                                        
REMARK 620 4 HOH X 203   O    86.9  88.3  87.9                                  
REMARK 620 5 HOH X 204   O    94.3  88.3 170.7  94.3                            
REMARK 620 6 HOH X 205   O    92.2  92.6  91.7 179.0  86.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI X 101                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QYK   RELATED DB: PDB                                   
REMARK 900 D(GCATGCT) + BARIUM                                                  
REMARK 900 RELATED ID: 1QYL   RELATED DB: PDB                                   
REMARK 900 D(GCATGCT) + VANADIUM                                                
REMARK 900 RELATED ID: 1QZL   RELATED DB: PDB                                   
REMARK 900 D(GCATGCT) + CO2+                                                    
DBREF  1R2O X    1     7  PDB    1R2O     1R2O             1      7             
SEQRES   1 X    7   DG  DC  DA  DT  DG  DC  DT                                  
HET     NI  X 101       1                                                       
HETNAM      NI NICKEL (II) ION                                                  
FORMUL   2   NI    NI 2+                                                        
FORMUL   3  HOH   *8(H2 O)                                                      
LINK         N7   DG X   1                NI    NI X 101     1555   1555  2.25  
LINK         N7   DG X   5                NI    NI X 101    12555   1555  2.24  
LINK        NI    NI X 101                 O   HOH X 202     1555   1555  1.82  
LINK        NI    NI X 101                 O   HOH X 203     1555   1555  2.16  
LINK        NI    NI X 101                 O   HOH X 204     1555   1555  2.14  
LINK        NI    NI X 101                 O   HOH X 205     1555   1555  2.06  
SITE     1 AC1  6  DG X   1   DG X   5  HOH X 202  HOH X 203                    
SITE     2 AC1  6 HOH X 204  HOH X 205                                          
CRYST1   24.807   24.807   92.081  90.00  90.00 120.00 P 62 2 2     12          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.040311  0.023273  0.000000        0.00000                         
SCALE2      0.000000  0.046547  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010860        0.00000                         
ATOM      1  O5'  DG X   1       7.025   4.604   9.108  1.00 25.95           O  
ATOM      2  C5'  DG X   1       7.085   5.542  10.194  1.00 27.59           C  
ATOM      3  C4'  DG X   1       6.893   4.924  11.559  1.00 27.24           C  
ATOM      4  O4'  DG X   1       5.557   4.419  11.741  1.00 28.99           O  
ATOM      5  C3'  DG X   1       7.740   3.701  11.838  1.00 29.19           C  
ATOM      6  O3'  DG X   1       7.981   3.542  13.281  1.00 32.59           O  
ATOM      7  C2'  DG X   1       6.910   2.555  11.298  1.00 25.54           C  
ATOM      8  C1'  DG X   1       5.536   2.990  11.739  1.00 26.82           C  
ATOM      9  N9   DG X   1       4.391   2.647  10.893  1.00 27.57           N  
ATOM     10  C8   DG X   1       4.378   2.564   9.516  1.00 26.78           C  
ATOM     11  N7   DG X   1       3.215   2.277   9.011  1.00 23.76           N  
ATOM     12  C5   DG X   1       2.408   2.191  10.097  1.00 23.42           C  
ATOM     13  C6   DG X   1       1.044   1.910  10.109  1.00 26.06           C  
ATOM     14  O6   DG X   1       0.335   1.692   9.102  1.00 27.02           O  
ATOM     15  N1   DG X   1       0.530   1.847  11.420  1.00 22.56           N  
ATOM     16  C2   DG X   1       1.241   2.082  12.579  1.00 22.31           C  
ATOM     17  N2   DG X   1       0.467   1.947  13.727  1.00 19.10           N  
ATOM     18  N3   DG X   1       2.564   2.369  12.569  1.00 21.54           N  
ATOM     19  C4   DG X   1       3.079   2.402  11.294  1.00 26.30           C  
ATOM     20  P    DC X   2       9.103   2.457  13.718  1.00 33.32           P  
ATOM     21  OP1  DC X   2       9.860   3.153  14.773  1.00 34.64           O  
ATOM     22  OP2  DC X   2       9.720   1.799  12.555  1.00 34.36           O  
ATOM     23  O5'  DC X   2       8.194   1.276  14.271  1.00 33.29           O  
ATOM     24  C5'  DC X   2       7.250   1.574  15.317  1.00 32.11           C  
ATOM     25  C4'  DC X   2       6.337   0.394  15.435  1.00 31.82           C  
ATOM     26  O4'  DC X   2       5.436   0.457  14.302  1.00 29.87           O  
ATOM     27  C3'  DC X   2       7.001  -0.990  15.351  1.00 30.26           C  
ATOM     28  O3'  DC X   2       6.916  -1.691  16.586  1.00 31.93           O  
ATOM     29  C2'  DC X   2       6.177  -1.727  14.310  1.00 29.71           C  
ATOM     30  C1'  DC X   2       4.927  -0.852  14.130  1.00 29.10           C  
ATOM     31  N1   DC X   2       4.245  -0.970  12.828  1.00 26.74           N  
ATOM     32  C2   DC X   2       2.867  -1.216  12.705  1.00 28.76           C  
ATOM     33  O2   DC X   2       2.134  -1.343  13.715  1.00 27.99           O  
ATOM     34  N3   DC X   2       2.321  -1.291  11.429  1.00 26.39           N  
ATOM     35  C4   DC X   2       3.085  -1.176  10.326  1.00 27.18           C  
ATOM     36  N4   DC X   2       2.496  -1.291   9.118  1.00 23.02           N  
ATOM     37  C5   DC X   2       4.493  -0.940  10.439  1.00 27.64           C  
ATOM     38  C6   DC X   2       5.005  -0.819  11.681  1.00 29.59           C  
ATOM     39  P    DA X   3       8.243  -2.166  17.375  1.00 32.00           P  
ATOM     40  OP1  DA X   3       9.279  -1.196  17.008  1.00 31.31           O  
ATOM     41  OP2  DA X   3       8.308  -3.623  17.124  1.00 30.38           O  
ATOM     42  O5'  DA X   3       7.923  -1.869  18.925  1.00 29.88           O  
ATOM     43  C5'  DA X   3       7.872  -0.510  19.453  1.00 27.08           C  
ATOM     44  C4'  DA X   3       6.836  -0.468  20.595  1.00 25.82           C  
ATOM     45  O4'  DA X   3       5.483  -0.816  20.143  1.00 22.23           O  
ATOM     46  C3'  DA X   3       7.210  -1.462  21.710  1.00 21.06           C  
ATOM     47  O3'  DA X   3       7.115  -0.822  22.943  1.00 24.44           O  
ATOM     48  C2'  DA X   3       6.225  -2.606  21.512  1.00 19.87           C  
ATOM     49  C1'  DA X   3       4.997  -1.939  20.872  1.00 24.02           C  
ATOM     50  N9   DA X   3       4.243  -2.840  20.023  1.00 26.11           N  
ATOM     51  C8   DA X   3       4.329  -2.916  18.652  1.00 27.38           C  
ATOM     52  N7   DA X   3       3.589  -3.847  18.120  1.00 25.45           N  
ATOM     53  C5   DA X   3       2.963  -4.422  19.190  1.00 25.98           C  
ATOM     54  C6   DA X   3       2.044  -5.457  19.240  1.00 28.45           C  
ATOM     55  N6   DA X   3       1.597  -6.085  18.135  1.00 27.93           N  
ATOM     56  N1   DA X   3       1.621  -5.818  20.478  1.00 28.70           N  
ATOM     57  C2   DA X   3       2.068  -5.176  21.570  1.00 24.86           C  
ATOM     58  N3   DA X   3       2.945  -4.184  21.634  1.00 27.90           N  
ATOM     59  C4   DA X   3       3.372  -3.854  20.391  1.00 27.75           C  
ATOM     60  P    DT X   4       8.035   0.417  23.422  1.00 26.38           P  
ATOM     61  OP1  DT X   4       7.315   1.693  23.364  1.00 29.06           O  
ATOM     62  OP2  DT X   4       9.300   0.291  22.655  1.00 25.77           O  
ATOM     63  O5'  DT X   4       8.159  -0.004  24.963  1.00 27.65           O  
ATOM     64  C5'  DT X   4       8.980  -1.182  25.389  1.00 26.92           C  
ATOM     65  C4'  DT X   4       8.402  -1.754  26.681  1.00 26.36           C  
ATOM     66  O4'  DT X   4       8.472  -0.729  27.694  1.00 27.17           O  
ATOM     67  C3'  DT X   4       6.916  -2.099  26.580  1.00 26.31           C  
ATOM     68  O3'  DT X   4       6.683  -3.278  27.272  1.00 24.90           O  
ATOM     69  C2'  DT X   4       6.155  -0.886  27.148  1.00 24.43           C  
ATOM     70  C1'  DT X   4       7.166  -0.353  28.149  1.00 26.66           C  
ATOM     71  N1   DT X   4       7.232   1.123  28.386  1.00 25.19           N  
ATOM     72  C2   DT X   4       7.070   1.579  29.707  1.00 24.83           C  
ATOM     73  O2   DT X   4       6.839   0.880  30.683  1.00 23.35           O  
ATOM     74  N3   DT X   4       7.174   2.917  29.834  1.00 26.05           N  
ATOM     75  C4   DT X   4       7.441   3.837  28.817  1.00 28.03           C  
ATOM     76  O4   DT X   4       7.515   5.043  29.044  1.00 27.37           O  
ATOM     77  C5   DT X   4       7.609   3.287  27.481  1.00 26.19           C  
ATOM     78  C7   DT X   4       7.898   4.191  26.313  1.00 29.75           C  
ATOM     79  C6   DT X   4       7.501   1.972  27.334  1.00 21.52           C  
ATOM     80  P    DG X   5       5.510  -4.224  26.769  1.00 27.13           P  
ATOM     81  OP1  DG X   5       5.595  -5.566  27.388  1.00 24.74           O  
ATOM     82  OP2  DG X   5       5.403  -4.086  25.302  1.00 27.51           O  
ATOM     83  O5'  DG X   5       4.196  -3.524  27.371  1.00 30.06           O  
ATOM     84  C5'  DG X   5       3.697  -3.855  28.658  1.00 27.71           C  
ATOM     85  C4'  DG X   5       2.503  -3.006  28.992  1.00 24.08           C  
ATOM     86  O4'  DG X   5       2.968  -1.642  29.028  1.00 24.15           O  
ATOM     87  C3'  DG X   5       1.354  -2.985  27.980  1.00 24.71           C  
ATOM     88  O3'  DG X   5       0.417  -4.082  28.201  1.00 26.08           O  
ATOM     89  C2'  DG X   5       0.734  -1.599  28.213  1.00 23.43           C  
ATOM     90  C1'  DG X   5       1.862  -0.763  28.825  1.00 22.98           C  
ATOM     91  N9   DG X   5       2.351   0.301  27.978  1.00 24.73           N  
ATOM     92  C8   DG X   5       2.416   0.293  26.608  1.00 23.54           C  
ATOM     93  N7   DG X   5       2.963   1.394  26.117  1.00 24.06           N  
ATOM     94  C5   DG X   5       3.307   2.169  27.211  1.00 24.46           C  
ATOM     95  C6   DG X   5       3.891   3.458  27.288  1.00 25.76           C  
ATOM     96  O6   DG X   5       4.281   4.213  26.378  1.00 25.21           O  
ATOM     97  N1   DG X   5       4.070   3.859  28.620  1.00 28.94           N  
ATOM     98  C2   DG X   5       3.705   3.096  29.724  1.00 29.67           C  
ATOM     99  N2   DG X   5       3.935   3.634  30.939  1.00 25.28           N  
ATOM    100  N3   DG X   5       3.133   1.880  29.634  1.00 27.81           N  
ATOM    101  C4   DG X   5       2.955   1.490  28.366  1.00 25.89           C  
ATOM    102  P    DC X   6      -0.075  -4.963  26.957  1.00 25.55           P  
ATOM    103  OP1  DC X   6      -0.791  -4.031  26.050  1.00 26.09           O  
ATOM    104  OP2  DC X   6      -0.800  -6.071  27.567  1.00 23.23           O  
ATOM    105  O5'  DC X   6       1.278  -5.279  26.193  1.00 30.41           O  
ATOM    106  C5'  DC X   6       2.052  -6.354  26.452  1.00 36.42           C  
ATOM    107  C4'  DC X   6       1.699  -7.488  25.529  1.00 39.09           C  
ATOM    108  O4'  DC X   6       2.062  -7.266  24.127  1.00 39.43           O  
ATOM    109  C3'  DC X   6       2.422  -8.742  25.980  1.00 42.65           C  
ATOM    110  O3'  DC X   6       1.417  -9.739  26.018  1.00 48.42           O  
ATOM    111  C2'  DC X   6       3.526  -8.921  24.930  1.00 40.98           C  
ATOM    112  C1'  DC X   6       2.817  -8.393  23.677  1.00 39.98           C  
ATOM    113  N1   DC X   6       3.709  -7.944  22.534  1.00 37.30           N  
ATOM    114  C2   DC X   6       3.509  -8.440  21.226  1.00 35.84           C  
ATOM    115  O2   DC X   6       2.611  -9.273  21.019  1.00 29.97           O  
ATOM    116  N3   DC X   6       4.301  -7.962  20.222  1.00 33.98           N  
ATOM    117  C4   DC X   6       5.268  -7.083  20.468  1.00 34.40           C  
ATOM    118  N4   DC X   6       6.059  -6.661  19.457  1.00 31.10           N  
ATOM    119  C5   DC X   6       5.486  -6.596  21.797  1.00 36.20           C  
ATOM    120  C6   DC X   6       4.678  -7.030  22.770  1.00 35.10           C  
ATOM    121  P  A DT X   7       1.518 -10.946  27.070  0.50 54.52           P  
ATOM    122  P  B DT X   7       1.567 -11.108  26.845  0.50 48.98           P  
ATOM    123  OP1A DT X   7       1.332 -10.417  28.444  0.50 52.95           O  
ATOM    124  OP1B DT X   7       0.384 -11.259  27.731  0.50 49.17           O  
ATOM    125  OP2A DT X   7       2.741 -11.732  26.786  0.50 53.26           O  
ATOM    126  OP2B DT X   7       2.930 -11.135  27.424  0.50 47.00           O  
ATOM    127  O5'A DT X   7       0.205 -11.722  26.564  0.50 57.71           O  
ATOM    128  O5'B DT X   7       1.440 -12.177  25.658  0.50 47.08           O  
ATOM    129  C5'A DT X   7       0.274 -12.480  25.356  0.50 62.87           C  
ATOM    130  C5'B DT X   7       1.152 -11.741  24.312  0.50 46.08           C  
ATOM    131  C4'A DT X   7      -0.980 -12.371  24.501  0.50 65.90           C  
ATOM    132  C4'B DT X   7       1.205 -12.882  23.312  0.50 44.82           C  
ATOM    133  O4'A DT X   7      -2.059 -13.110  25.133  0.50 67.77           O  
ATOM    134  O4'B DT X   7       2.021 -12.504  22.161  0.50 43.71           O  
ATOM    135  C3'A DT X   7      -1.494 -10.953  24.264  0.50 67.63           C  
ATOM    136  C3'B DT X   7       1.870 -14.139  23.865  0.50 43.80           C  
ATOM    137  O3'A DT X   7      -1.854 -10.790  22.893  0.50 67.86           O  
ATOM    138  O3'B DT X   7       1.379 -15.279  23.154  0.50 41.60           O  
ATOM    139  C2'A DT X   7      -2.694 -10.827  25.201  0.50 68.68           C  
ATOM    140  C2'B DT X   7       3.351 -13.775  23.649  0.50 42.57           C  
ATOM    141  C1'A DT X   7      -3.178 -12.273  25.351  0.50 69.58           C  
ATOM    142  C1'B DT X   7       3.278 -13.193  22.228  0.50 42.23           C  
ATOM    143  N1 A DT X   7      -3.781 -12.636  26.698  0.50 71.39           N  
ATOM    144  N1 B DT X   7       4.380 -12.261  21.715  0.50 39.85           N  
ATOM    145  C2 A DT X   7      -5.003 -13.297  26.746  0.50 71.85           C  
ATOM    146  C2 B DT X   7       5.361 -11.603  22.471  0.50 38.23           C  
ATOM    147  O2 A DT X   7      -5.653 -13.612  25.761  0.50 71.91           O  
ATOM    148  O2 B DT X   7       5.565 -11.622  23.656  0.50 35.24           O  
ATOM    149  N3 A DT X   7      -5.453 -13.580  28.012  0.50 72.27           N  
ATOM    150  N3 B DT X   7       6.220 -10.831  21.749  0.50 39.52           N  
ATOM    151  C4 A DT X   7      -4.830 -13.280  29.214  0.50 73.06           C  
ATOM    152  C4 B DT X   7       6.235 -10.628  20.395  0.50 36.50           C  
ATOM    153  O4 A DT X   7      -5.332 -13.581  30.295  0.50 73.61           O  
ATOM    154  O4 B DT X   7       7.077  -9.900  19.918  0.50 35.00           O  
ATOM    155  C5 A DT X   7      -3.559 -12.597  29.102  0.50 73.14           C  
ATOM    156  C5 B DT X   7       5.212 -11.313  19.653  0.50 38.56           C  
ATOM    157  C7 A DT X   7      -2.777 -12.219  30.332  0.50 72.77           C  
ATOM    158  C7 B DT X   7       5.100 -11.182  18.153  0.50 39.91           C  
ATOM    159  C6 A DT X   7      -3.103 -12.313  27.867  0.50 72.25           C  
ATOM    160  C6 B DT X   7       4.358 -12.086  20.339  0.50 39.06           C  
TER     161       DT X   7                                                      
HETATM  162 NI    NI X 101       3.037   2.014   6.781  1.00 23.53          NI  
HETATM  163  O   HOH X 201       2.878   1.676  15.337  0.50 18.49           O  
HETATM  164  O   HOH X 202       1.442   1.150   6.856  1.00 18.32           O  
HETATM  165  O   HOH X 203       1.941   3.869   6.767  1.00 23.13           O  
HETATM  166  O   HOH X 204       4.922   2.937   6.359  1.00 17.01           O  
HETATM  167  O   HOH X 205       4.073   0.234   6.829  1.00 19.11           O  
HETATM  168  O   HOH X 207       0.647  -1.876  24.856  0.50 21.26           O  
HETATM  169  O   HOH X 209      -3.064  -6.958  26.149  1.00 42.37           O  
HETATM  170  O   HOH X 210       3.374  -2.681  23.986  1.00 30.72           O  
CONECT   11  162                                                                
CONECT  162   11  164  165  166                                                 
CONECT  162  167                                                                
CONECT  164  162                                                                
CONECT  165  162                                                                
CONECT  166  162                                                                
CONECT  167  162                                                                
MASTER      338    0    1    0    0    0    2    6  149    1    7    1          
END