HEADER    DNA                                     17-SEP-03   1QZL              
TITLE     GCATGCT + COBALT                                                      
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    DNA QUADRUPLEX, DNA                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.J.CARDIN,Y.GAN,J.H.THORPE,S.C.M.TEIXEIRA,B.C.GALE,M.I.A.MORAES      
REVDAT   3   14-FEB-24 1QZL    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1QZL    1       VERSN                                    
REVDAT   1   21-OCT-03 1QZL    0                                                
JRNL        AUTH   C.J.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 STABILISATION OF THE DNA          
JRNL        TITL 2 QUADRUPLEX STRUCTURE FORMED BY D(GCATGCT)                    
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.85 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) : 2.85                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.57                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 489                            
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) : 0.244                           
REMARK   3   R VALUE            (WORKING SET) : 0.240                           
REMARK   3   FREE R VALUE                     : 0.335                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.500                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 23                              
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) : 2.85                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.92                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 27                           
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2020                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 2                            
REMARK   3   BIN FREE R VALUE                    : 0.2390                       
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            : 1                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 41.86                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 37.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.08000                                              
REMARK   3    B22 (A**2) : 1.08000                                              
REMARK   3    B33 (A**2) : -1.62000                                             
REMARK   3    B12 (A**2) : 0.54000                                              
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): 1.047         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.525         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.165         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.852         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.886                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.819                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):   156 ; 0.021 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):    69 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):   239 ; 2.909 ; 3.000       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):   173 ; 1.421 ; 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):    21 ; 0.141 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):    73 ; 0.010 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):     2 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):    11 ; 0.124 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):    59 ; 0.227 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):    33 ; 0.115 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):     2 ; 0.210 ; 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):     7 ; 0.112 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    14 ; 0.298 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     7 ; 0.125 ; 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):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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 1QZL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-SEP-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000020262.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-AUG-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
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                       : BW7B                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8416                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 522                                
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.850                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.606                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.7                               
REMARK 200  DATA REDUNDANCY                : 6.600                              
REMARK 200  R MERGE                    (I) : 0.15730                            
REMARK 200  R SYM                      (I) : 0.15070                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 4.1000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.28800                            
REMARK 200  R SYM FOR SHELL            (I) : 0.28800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
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   (%): 33.74                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CACODYLATE, COBALT DICHLORIDE,    
REMARK 280  POTASSIUM CHLORIDE, MPD, PH 6.5, 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       61.21200            
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       30.60600            
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       61.21200            
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       30.60600            
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       61.21200            
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       30.60600            
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       61.21200            
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       30.60600            
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       30.60600            
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       30.60600            
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      HOH X 102  LIES ON A SPECIAL POSITION.                          
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     DG X   1   O3'    DG X   1   C3'    -0.039                       
REMARK 500     DG X   1   C5     DG X   1   N7     -0.060                       
REMARK 500     DC X   2   N1     DC X   2   C6      0.040                       
REMARK 500     DT X   4   O3'    DT X   4   C3'    -0.046                       
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 X   1   C6  -  C5  -  N7  ANGL. DEV. =  -4.8 DEGREES          
REMARK 500     DG X   1   N1  -  C6  -  O6  ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DG X   1   C5  -  C6  -  O6  ANGL. DEV. =  -4.2 DEGREES          
REMARK 500     DG X   1   C3' -  O3' -  P   ANGL. DEV. =   8.7 DEGREES          
REMARK 500     DG X   5   O4' -  C1' -  C2' ANGL. DEV. =   4.3 DEGREES          
REMARK 500     DG X   5   N1  -  C6  -  O6  ANGL. DEV. =   4.2 DEGREES          
REMARK 500     DG X   5   C5  -  C6  -  O6  ANGL. DEV. =  -4.0 DEGREES          
REMARK 500     DC X   6   O5' -  P   -  OP1 ANGL. DEV. =  -7.3 DEGREES          
REMARK 500     DC X   6   O4' -  C4' -  C3' ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DC X   6   O4' -  C1' -  N1  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DC X   6   N1  -  C2  -  O2  ANGL. DEV. =  -3.8 DEGREES          
REMARK 500     DC X   6   C3' -  O3' -  P   ANGL. DEV. =  13.0 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                              CO X 101  CO                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DG X   1   N7                                                     
REMARK 620 2  DG X   5   N7  176.3                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO X 101                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QYK   RELATED DB: PDB                                   
REMARK 900 GCATGCT + BARIUM                                                     
REMARK 900 RELATED ID: 1QYL   RELATED DB: PDB                                   
REMARK 900 GCATGCT + VANADIUM                                                   
REMARK 900 RELATED ID: 1R2O   RELATED DB: PDB                                   
REMARK 900 GCATGCT + NI2+                                                       
DBREF  1QZL X    1     7  PDB    1QZL     1QZL             1      7             
SEQRES   1 X    7   DG  DC  DA  DT  DG  DC  DT                                  
HET     CO  X 101       1                                                       
HETNAM      CO COBALT (II) ION                                                  
FORMUL   2   CO    CO 2+                                                        
FORMUL   3  HOH   *(H2 O)                                                       
LINK         N7   DG X   1                CO    CO X 101     1555   1555  2.51  
LINK         N7   DG X   5                CO    CO X 101    12555   1555  2.33  
SITE     1 AC1  2  DG X   1   DG X   5                                          
CRYST1   24.789   24.789   91.818  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      0.040340  0.023290  0.000000        0.00000                         
SCALE2      0.000000  0.046581  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010891        0.00000                         
ATOM      1  O5'  DG X   1       6.964   4.659   9.137  1.00 39.26           O  
ATOM      2  C5'  DG X   1       6.616   5.546  10.179  1.00 37.77           C  
ATOM      3  C4'  DG X   1       6.812   4.876  11.528  1.00 39.88           C  
ATOM      4  O4'  DG X   1       5.553   4.352  12.013  1.00 41.11           O  
ATOM      5  C3'  DG X   1       7.721   3.674  11.573  1.00 41.76           C  
ATOM      6  O3'  DG X   1       8.217   3.728  12.860  1.00 49.08           O  
ATOM      7  C2'  DG X   1       6.804   2.499  11.303  1.00 39.30           C  
ATOM      8  C1'  DG X   1       5.485   2.947  11.905  1.00 39.89           C  
ATOM      9  N9   DG X   1       4.275   2.614  11.121  1.00 37.58           N  
ATOM     10  C8   DG X   1       4.215   2.561   9.774  1.00 34.80           C  
ATOM     11  N7   DG X   1       3.046   2.271   9.338  1.00 34.95           N  
ATOM     12  C5   DG X   1       2.292   2.122  10.421  1.00 23.91           C  
ATOM     13  C6   DG X   1       0.936   1.807  10.427  1.00 32.67           C  
ATOM     14  O6   DG X   1       0.252   1.591   9.394  1.00 35.06           O  
ATOM     15  N1   DG X   1       0.414   1.736  11.743  1.00 34.81           N  
ATOM     16  C2   DG X   1       1.218   1.935  12.892  1.00 35.52           C  
ATOM     17  N2   DG X   1       0.597   1.833  14.087  1.00 24.70           N  
ATOM     18  N3   DG X   1       2.539   2.270  12.867  1.00 35.81           N  
ATOM     19  C4   DG X   1       2.993   2.344  11.565  1.00 33.17           C  
ATOM     20  P    DC X   2       9.044   2.604  13.661  1.00 52.35           P  
ATOM     21  OP1  DC X   2       9.470   3.364  14.883  1.00 49.89           O  
ATOM     22  OP2  DC X   2       9.954   1.840  12.760  1.00 40.39           O  
ATOM     23  O5'  DC X   2       7.902   1.540  14.041  1.00 45.20           O  
ATOM     24  C5'  DC X   2       7.484   1.379  15.356  1.00 42.63           C  
ATOM     25  C4'  DC X   2       6.416   0.318  15.401  1.00 41.97           C  
ATOM     26  O4'  DC X   2       5.446   0.446  14.319  1.00 40.14           O  
ATOM     27  C3'  DC X   2       6.953  -1.078  15.279  1.00 39.94           C  
ATOM     28  O3'  DC X   2       6.968  -1.591  16.600  1.00 46.47           O  
ATOM     29  C2'  DC X   2       5.887  -1.772  14.419  1.00 39.73           C  
ATOM     30  C1'  DC X   2       4.756  -0.751  14.231  1.00 31.78           C  
ATOM     31  N1   DC X   2       4.138  -0.864  12.932  1.00 30.64           N  
ATOM     32  C2   DC X   2       2.767  -1.179  12.795  1.00 30.71           C  
ATOM     33  O2   DC X   2       2.067  -1.314  13.781  1.00 29.81           O  
ATOM     34  N3   DC X   2       2.238  -1.320  11.530  1.00 30.75           N  
ATOM     35  C4   DC X   2       3.034  -1.135  10.433  1.00 26.09           C  
ATOM     36  N4   DC X   2       2.493  -1.298   9.257  1.00 14.47           N  
ATOM     37  C5   DC X   2       4.416  -0.810  10.539  1.00 24.33           C  
ATOM     38  C6   DC X   2       4.936  -0.702  11.784  1.00 25.29           C  
ATOM     39  P    DA X   3       8.273  -2.218  17.300  1.00 45.53           P  
ATOM     40  OP1  DA X   3       9.446  -1.357  16.876  1.00 41.17           O  
ATOM     41  OP2  DA X   3       8.162  -3.708  17.054  1.00 34.53           O  
ATOM     42  O5'  DA X   3       8.031  -1.885  18.862  1.00 42.55           O  
ATOM     43  C5'  DA X   3       7.907  -0.520  19.348  1.00 35.43           C  
ATOM     44  C4'  DA X   3       6.865  -0.453  20.470  1.00 33.33           C  
ATOM     45  O4'  DA X   3       5.555  -0.902  20.003  1.00 33.06           O  
ATOM     46  C3'  DA X   3       7.213  -1.324  21.665  1.00 29.36           C  
ATOM     47  O3'  DA X   3       6.977  -0.690  22.919  1.00 29.55           O  
ATOM     48  C2'  DA X   3       6.361  -2.539  21.352  1.00 29.78           C  
ATOM     49  C1'  DA X   3       5.102  -1.925  20.842  1.00 31.01           C  
ATOM     50  N9   DA X   3       4.324  -2.836  20.036  1.00 37.17           N  
ATOM     51  C8   DA X   3       4.399  -2.948  18.664  1.00 38.42           C  
ATOM     52  N7   DA X   3       3.584  -3.875  18.173  1.00 40.99           N  
ATOM     53  C5   DA X   3       2.961  -4.407  19.285  1.00 33.24           C  
ATOM     54  C6   DA X   3       1.978  -5.391  19.382  1.00 35.27           C  
ATOM     55  N6   DA X   3       1.511  -5.992  18.279  1.00 33.42           N  
ATOM     56  N1   DA X   3       1.520  -5.714  20.637  1.00 35.56           N  
ATOM     57  C2   DA X   3       2.047  -5.041  21.695  1.00 32.58           C  
ATOM     58  N3   DA X   3       2.962  -4.029  21.708  1.00 32.60           N  
ATOM     59  C4   DA X   3       3.390  -3.775  20.455  1.00 34.94           C  
ATOM     60  P    DT X   4       8.047   0.428  23.372  1.00 40.28           P  
ATOM     61  OP1  DT X   4       7.490   1.787  23.327  1.00 37.55           O  
ATOM     62  OP2  DT X   4       9.267   0.170  22.542  1.00 40.13           O  
ATOM     63  O5'  DT X   4       8.379   0.062  24.912  1.00 41.37           O  
ATOM     64  C5'  DT X   4       8.912  -1.261  25.239  1.00 41.13           C  
ATOM     65  C4'  DT X   4       8.332  -1.824  26.522  1.00 39.94           C  
ATOM     66  O4'  DT X   4       8.448  -0.801  27.518  1.00 46.09           O  
ATOM     67  C3'  DT X   4       6.846  -2.115  26.497  1.00 39.13           C  
ATOM     68  O3'  DT X   4       6.593  -3.213  27.282  1.00 30.05           O  
ATOM     69  C2'  DT X   4       6.152  -0.846  27.012  1.00 37.53           C  
ATOM     70  C1'  DT X   4       7.185  -0.384  28.012  1.00 41.19           C  
ATOM     71  N1   DT X   4       7.239   1.088  28.274  1.00 40.86           N  
ATOM     72  C2   DT X   4       7.100   1.528  29.600  1.00 36.65           C  
ATOM     73  O2   DT X   4       6.905   0.782  30.563  1.00 29.82           O  
ATOM     74  N3   DT X   4       7.183   2.898  29.754  1.00 33.94           N  
ATOM     75  C4   DT X   4       7.403   3.814  28.735  1.00 38.67           C  
ATOM     76  O4   DT X   4       7.451   4.995  28.984  1.00 45.15           O  
ATOM     77  C5   DT X   4       7.584   3.296  27.378  1.00 42.44           C  
ATOM     78  C7   DT X   4       7.836   4.220  26.193  1.00 39.82           C  
ATOM     79  C6   DT X   4       7.504   1.955  27.227  1.00 41.00           C  
ATOM     80  P    DG X   5       5.533  -4.224  26.720  1.00 37.15           P  
ATOM     81  OP1  DG X   5       5.793  -5.572  27.312  1.00 43.06           O  
ATOM     82  OP2  DG X   5       5.520  -4.118  25.235  1.00 44.41           O  
ATOM     83  O5'  DG X   5       4.130  -3.660  27.250  1.00 39.60           O  
ATOM     84  C5'  DG X   5       3.677  -3.907  28.624  1.00 43.33           C  
ATOM     85  C4'  DG X   5       2.545  -2.987  29.014  1.00 43.17           C  
ATOM     86  O4'  DG X   5       2.989  -1.601  29.036  1.00 38.91           O  
ATOM     87  C3'  DG X   5       1.423  -3.036  27.978  1.00 45.26           C  
ATOM     88  O3'  DG X   5       0.563  -4.222  28.158  1.00 43.08           O  
ATOM     89  C2'  DG X   5       0.756  -1.649  28.083  1.00 41.84           C  
ATOM     90  C1'  DG X   5       1.865  -0.806  28.717  1.00 40.93           C  
ATOM     91  N9   DG X   5       2.397   0.224  27.876  1.00 39.96           N  
ATOM     92  C8   DG X   5       2.453   0.236  26.520  1.00 39.16           C  
ATOM     93  N7   DG X   5       2.999   1.330  26.076  1.00 42.91           N  
ATOM     94  C5   DG X   5       3.323   2.058  27.198  1.00 35.13           C  
ATOM     95  C6   DG X   5       3.959   3.305  27.285  1.00 38.71           C  
ATOM     96  O6   DG X   5       4.335   3.983  26.298  1.00 40.91           O  
ATOM     97  N1   DG X   5       4.148   3.696  28.638  1.00 39.38           N  
ATOM     98  C2   DG X   5       3.717   2.939  29.728  1.00 35.28           C  
ATOM     99  N2   DG X   5       3.916   3.424  30.969  1.00 27.07           N  
ATOM    100  N3   DG X   5       3.124   1.750  29.628  1.00 34.62           N  
ATOM    101  C4   DG X   5       2.973   1.387  28.327  1.00 37.81           C  
ATOM    102  P    DC X   6      -0.018  -4.860  26.815  1.00 39.07           P  
ATOM    103  OP1  DC X   6      -0.339  -3.671  25.985  1.00 44.82           O  
ATOM    104  OP2  DC X   6      -0.973  -5.956  27.032  1.00 38.21           O  
ATOM    105  O5'  DC X   6       1.252  -5.368  26.011  1.00 45.96           O  
ATOM    106  C5'  DC X   6       2.033  -6.449  26.405  1.00 53.54           C  
ATOM    107  C4'  DC X   6       1.708  -7.712  25.605  1.00 53.59           C  
ATOM    108  O4'  DC X   6       1.920  -7.418  24.207  1.00 53.89           O  
ATOM    109  C3'  DC X   6       2.662  -8.830  26.048  1.00 54.70           C  
ATOM    110  O3'  DC X   6       2.046  -9.972  26.822  1.00 51.23           O  
ATOM    111  C2'  DC X   6       3.492  -9.092  24.782  1.00 53.32           C  
ATOM    112  C1'  DC X   6       2.731  -8.437  23.641  1.00 52.52           C  
ATOM    113  N1   DC X   6       3.631  -7.915  22.475  1.00 44.96           N  
ATOM    114  C2   DC X   6       3.427  -8.376  21.193  1.00 37.17           C  
ATOM    115  O2   DC X   6       2.535  -9.193  21.074  1.00 39.81           O  
ATOM    116  N3   DC X   6       4.199  -7.943  20.166  1.00 39.63           N  
ATOM    117  C4   DC X   6       5.183  -7.039  20.379  1.00 43.34           C  
ATOM    118  N4   DC X   6       5.961  -6.574  19.374  1.00 33.20           N  
ATOM    119  C5   DC X   6       5.418  -6.542  21.698  1.00 44.42           C  
ATOM    120  C6   DC X   6       4.632  -7.014  22.694  1.00 47.12           C  
ATOM    121  P    DT X   7       1.218 -11.282  26.369  0.50 46.80           P  
ATOM    122  OP1  DT X   7      -0.181 -11.008  25.956  0.50 40.70           O  
ATOM    123  OP2  DT X   7       1.510 -12.059  27.589  0.50 43.56           O  
ATOM    124  O5'  DT X   7       1.927 -12.026  25.139  0.50 50.07           O  
ATOM    125  C5'  DT X   7       1.501 -11.749  23.779  0.50 53.63           C  
ATOM    126  C4'  DT X   7       0.985 -12.957  23.010  0.50 53.70           C  
ATOM    127  O4'  DT X   7       1.518 -12.862  21.671  0.50 54.15           O  
ATOM    128  C3'  DT X   7       1.433 -14.348  23.460  0.50 54.28           C  
ATOM    129  O3'  DT X   7       0.661 -15.407  22.870  0.50 52.46           O  
ATOM    130  C2'  DT X   7       2.865 -14.351  22.945  0.50 54.62           C  
ATOM    131  C1'  DT X   7       2.737 -13.595  21.616  0.50 53.18           C  
ATOM    132  N1   DT X   7       3.852 -12.624  21.276  0.50 48.65           N  
ATOM    133  C2   DT X   7       4.099 -12.324  19.931  0.50 47.31           C  
ATOM    134  O2   DT X   7       3.479 -12.789  18.980  0.50 46.84           O  
ATOM    135  N3   DT X   7       5.132 -11.439  19.726  0.50 44.60           N  
ATOM    136  C4   DT X   7       5.911 -10.838  20.684  0.50 40.24           C  
ATOM    137  O4   DT X   7       6.786 -10.051  20.397  0.50 35.87           O  
ATOM    138  C5   DT X   7       5.610 -11.188  22.046  0.50 42.64           C  
ATOM    139  C7   DT X   7       6.396 -10.578  23.172  0.50 43.26           C  
ATOM    140  C6   DT X   7       4.613 -12.049  22.282  0.50 43.90           C  
TER     141       DT X   7                                                      
HETATM  142 CO    CO X 101       2.876   2.025   6.844  1.00 45.65          CO  
HETATM  143  O   HOH X 102       3.024   1.737  15.291  0.50 11.99           O  
CONECT   11  142                                                                
CONECT  142   11                                                                
MASTER      360    0    1    0    0    0    1    6  142    1    2    1          
END                                                                             
