HEADER    DNA                                     01-AUG-11   3T86              
TITLE     D(GCATGCT) + CALCIUM                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-D(*GP*CP*AP*TP*GP*CP*T)-3');                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 OTHER_DETAILS: DNA HEPTAMER                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    QUADRUPLEX, LOOP, DNA                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.J.CARDIN,Y.GAN                                                      
REVDAT   4   28-FEB-24 3T86    1       REMARK LINK                              
REVDAT   3   22-NOV-17 3T86    1       REMARK                                   
REVDAT   2   12-NOV-14 3T86    1       AUTHOR                                   
REVDAT   1   13-JUN-12 3T86    0                                                
JRNL        AUTH   Y.GAN,J.H.THORPE,S.C.M.TEIXEIRA,A.NASEER,C.J.CARDIN          
JRNL        TITL   A NOVEL STRUCTURE FOR THE D(GCATGCT) QUADRUPLEX IN THE       
JRNL        TITL 2 PRESENCE OF NICKEL AND COBALT AQUEOUS CATIONS : COMPARISON   
JRNL        TITL 3 WITH THE VANADIUM, BARIUM AND CALCIUM-BOUND STRUCTURAL       
JRNL        TITL 4 MOTIF.                                                       
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.0                                           
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ENGH & HUBER                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.11                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 1233                           
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) : 0.241                           
REMARK   3   R VALUE            (WORKING SET) : 0.239                           
REMARK   3   FREE R VALUE                     : 0.279                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 64                              
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) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 87                           
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.62                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3750                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 5                            
REMARK   3   BIN FREE R VALUE                    : 0.2630                       
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          : 2                                       
REMARK   3   SOLVENT ATOMS            : 10                                      
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.193         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.156         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.938                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.890                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):   156 ; 0.013 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):   239 ; 2.199 ; 3.000       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):    71 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):    43 ; 0.168 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):    88 ; 0.304 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):     3 ; 0.273 ; 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):    12 ; 0.127 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    10 ; 0.130 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):     3 ; 0.143 ; 0.200       
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 : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3T86 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-AUG-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000067158.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-JAN-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU FR-D                        
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV++                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XFIT, MOSFLM                       
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 1246                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 29.110                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.7                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: XFIT                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 33.78                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: DROPS INITIALLY CONTAINING 2UL 20 MM     
REMARK 280  SODIUM CACODYLATE, 2UL CALCIUM CHLORIDE, 2UL POTASSIUM CHLORIDE,    
REMARK 280  2 UL 10% PEG, 2UL 1 MM DNA, PH 6.5, VAPOR DIFFUSION, SITTING        
REMARK 280  DROP, TEMPERATURE 290K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z                                         
REMARK 290       7555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
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  1.000000  0.000000  0.000000       11.37100            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       29.17050            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       11.37100            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       29.17050            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       11.37100            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       29.17050            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       11.37100            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       29.17050            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2270 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 4700 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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       22.74200            
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 -1.000000  0.000000  0.000000       22.74200            
REMARK 350   BIOMT2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000 -1.000000       23.66900            
REMARK 350   BIOMT1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000       23.66900            
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 CA    CA A   9  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 101  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 103  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 106  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     DT A   4   O3'    DT A   4   C3'    -0.039                       
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   1   O4' -  C1' -  N9  ANGL. DEV. =  -7.4 DEGREES          
REMARK 500     DT A   4   O4' -  C1' -  N1  ANGL. DEV. =   2.6 DEGREES          
REMARK 500     DG A   5   O4' -  C1' -  N9  ANGL. DEV. =  -4.5 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                               K A   8   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DC A   2   OP1                                                    
REMARK 620 2  DC A   6   OP1  85.7                                              
REMARK 620 3 HOH A 102   O    77.4  67.3                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A   9  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 103   O                                                      
REMARK 620 2 HOH A 106   O    92.1                                              
REMARK 620 3 HOH A 107   O    83.3  95.9                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 8                     
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 9                    
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QYK   RELATED DB: PDB                                   
REMARK 900 METAL IONS WITH THE GCATGCT SEQUENCE                                 
REMARK 900 RELATED ID: 1QYL   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1QLZ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1R2O   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1MF5   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 184D   RELATED DB: PDB                                   
DBREF  3T86 A    1     7  PDB    3T86     3T86             1      7             
SEQRES   1 A    7   DG  DC  DA  DT  DG  DC  DT                                  
HET      K  A   8       1                                                       
HET     CA  A   9       1                                                       
HETNAM       K POTASSIUM ION                                                    
HETNAM      CA CALCIUM ION                                                      
FORMUL   2    K    K 1+                                                         
FORMUL   3   CA    CA 2+                                                        
FORMUL   4  HOH   *10(H2 O)                                                     
LINK         OP1  DC A   2                 K     K A   8     1555   1555  2.85  
LINK         OP1  DC A   6                 K     K A   8     1555   1555  2.94  
LINK         K     K A   8                 O   HOH A 102     1555   1555  3.13  
LINK        CA    CA A   9                 O   HOH A 103     1555   1555  2.47  
LINK        CA    CA A   9                 O   HOH A 106     1555   1555  2.21  
LINK        CA    CA A   9                 O   HOH A 107     1555   1555  2.65  
SITE     1 AC1  4  DG A   1   DC A   2   DC A   6  HOH A 102                    
SITE     1 AC2  3 HOH A 103  HOH A 106  HOH A 107                               
CRYST1   22.742   58.341   23.669  90.00  90.00  90.00 C 2 2 2       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      0.043972  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017141  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.042249        0.00000                         
ATOM      1  O5'  DG A   1      17.025   9.020   8.603  1.00 20.44           O  
ATOM      2  C5'  DG A   1      15.814   9.676   8.847  1.00 18.17           C  
ATOM      3  C4'  DG A   1      14.706   8.884   8.177  1.00 17.95           C  
ATOM      4  O4'  DG A   1      14.835   8.980   6.738  1.00 18.83           O  
ATOM      5  C3'  DG A   1      14.552   7.397   8.496  1.00 15.80           C  
ATOM      6  O3'  DG A   1      13.145   7.203   8.778  1.00 15.05           O  
ATOM      7  C2'  DG A   1      15.042   6.703   7.225  1.00 16.42           C  
ATOM      8  C1'  DG A   1      14.689   7.706   6.148  1.00 13.92           C  
ATOM      9  N9   DG A   1      15.636   7.810   5.051  1.00 16.35           N  
ATOM     10  C8   DG A   1      17.017   7.649   5.082  1.00 14.66           C  
ATOM     11  N7   DG A   1      17.557   7.853   3.915  1.00 15.55           N  
ATOM     12  C5   DG A   1      16.490   8.170   3.063  1.00 15.05           C  
ATOM     13  C6   DG A   1      16.448   8.482   1.663  1.00 14.28           C  
ATOM     14  O6   DG A   1      17.345   8.584   0.813  1.00 13.70           O  
ATOM     15  N1   DG A   1      15.152   8.724   1.243  1.00 15.89           N  
ATOM     16  C2   DG A   1      14.017   8.696   2.028  1.00 13.71           C  
ATOM     17  N2   DG A   1      12.869   8.980   1.407  1.00 12.40           N  
ATOM     18  N3   DG A   1      14.032   8.421   3.310  1.00 12.33           N  
ATOM     19  C4   DG A   1      15.300   8.152   3.754  1.00 14.15           C  
ATOM     20  P    DC A   2      12.549   5.789   9.163  1.00 15.31           P  
ATOM     21  OP1  DC A   2      11.337   5.965   9.935  1.00 16.40           O  
ATOM     22  OP2  DC A   2      13.630   4.916   9.636  1.00 14.53           O  
ATOM     23  O5'  DC A   2      12.067   5.211   7.791  1.00 16.87           O  
ATOM     24  C5'  DC A   2      11.005   5.822   7.052  1.00 15.27           C  
ATOM     25  C4'  DC A   2      11.007   5.176   5.683  1.00 15.01           C  
ATOM     26  O4'  DC A   2      12.199   5.573   4.953  1.00 15.58           O  
ATOM     27  C3'  DC A   2      11.045   3.656   5.703  1.00 13.50           C  
ATOM     28  O3'  DC A   2       9.763   3.183   5.314  1.00 14.70           O  
ATOM     29  C2'  DC A   2      12.122   3.258   4.692  1.00 12.97           C  
ATOM     30  C1'  DC A   2      12.368   4.576   3.965  1.00 15.12           C  
ATOM     31  N1   DC A   2      13.699   4.715   3.388  1.00 13.17           N  
ATOM     32  C2   DC A   2      13.811   5.104   2.048  1.00 12.92           C  
ATOM     33  O2   DC A   2      12.799   5.360   1.379  1.00 13.25           O  
ATOM     34  N3   DC A   2      15.048   5.233   1.521  1.00 14.79           N  
ATOM     35  C4   DC A   2      16.129   4.976   2.274  1.00 13.98           C  
ATOM     36  N4   DC A   2      17.333   5.108   1.703  1.00 13.63           N  
ATOM     37  C5   DC A   2      16.021   4.551   3.629  1.00 14.55           C  
ATOM     38  C6   DC A   2      14.794   4.438   4.146  1.00 12.93           C  
ATOM     39  P    DA A   3       8.926   2.212   6.252  1.00 14.97           P  
ATOM     40  OP1  DA A   3       8.888   2.849   7.585  1.00 18.02           O  
ATOM     41  OP2  DA A   3       9.465   0.879   6.049  1.00 13.55           O  
ATOM     42  O5'  DA A   3       7.450   2.322   5.711  1.00 15.47           O  
ATOM     43  C5'  DA A   3       6.748   3.585   5.714  1.00 15.06           C  
ATOM     44  C4'  DA A   3       5.893   3.713   4.463  1.00 15.41           C  
ATOM     45  O4'  DA A   3       6.779   3.850   3.332  1.00 15.90           O  
ATOM     46  C3'  DA A   3       4.956   2.556   4.094  1.00 14.58           C  
ATOM     47  O3'  DA A   3       3.736   3.128   3.637  1.00 16.86           O  
ATOM     48  C2'  DA A   3       5.679   1.786   3.002  1.00 11.79           C  
ATOM     49  C1'  DA A   3       6.395   2.945   2.326  1.00 12.60           C  
ATOM     50  N9   DA A   3       7.593   2.582   1.573  1.00 13.61           N  
ATOM     51  C8   DA A   3       8.890   2.629   1.995  1.00 11.90           C  
ATOM     52  N7   DA A   3       9.744   2.243   1.088  1.00 13.07           N  
ATOM     53  C5   DA A   3       8.952   1.932   0.007  1.00 11.80           C  
ATOM     54  C6   DA A   3       9.221   1.474  -1.303  1.00 12.99           C  
ATOM     55  N6   DA A   3      10.443   1.209  -1.752  1.00 13.19           N  
ATOM     56  N1   DA A   3       8.182   1.268  -2.147  1.00 12.11           N  
ATOM     57  C2   DA A   3       6.953   1.491  -1.737  1.00  9.82           C  
ATOM     58  N3   DA A   3       6.579   1.950  -0.557  1.00 14.17           N  
ATOM     59  C4   DA A   3       7.629   2.127   0.285  1.00 11.54           C  
ATOM     60  P    DT A   4       2.284   2.571   4.016  1.00 18.41           P  
ATOM     61  OP1  DT A   4       2.300   1.081   4.081  1.00 16.24           O  
ATOM     62  OP2  DT A   4       1.470   3.281   3.038  1.00 20.91           O  
ATOM     63  O5'  DT A   4       1.914   3.122   5.450  1.00 16.58           O  
ATOM     64  C5'  DT A   4       1.583   4.468   5.738  1.00 15.45           C  
ATOM     65  C4'  DT A   4       1.733   4.633   7.226  1.00 17.28           C  
ATOM     66  O4'  DT A   4       1.110   3.492   7.870  1.00 17.47           O  
ATOM     67  C3'  DT A   4       3.192   4.637   7.661  1.00 16.98           C  
ATOM     68  O3'  DT A   4       3.389   5.603   8.626  1.00 17.37           O  
ATOM     69  C2'  DT A   4       3.402   3.281   8.319  1.00 16.55           C  
ATOM     70  C1'  DT A   4       1.993   2.928   8.785  1.00 14.13           C  
ATOM     71  N1   DT A   4       1.867   1.480   8.804  1.00 15.58           N  
ATOM     72  C2   DT A   4       1.746   0.888  10.041  1.00 16.45           C  
ATOM     73  O2   DT A   4       1.706   1.522  11.076  1.00 14.27           O  
ATOM     74  N3   DT A   4       1.662  -0.480  10.035  1.00 16.85           N  
ATOM     75  C4   DT A   4       1.706  -1.288   8.925  1.00 16.33           C  
ATOM     76  O4   DT A   4       1.640  -2.493   9.070  1.00 17.42           O  
ATOM     77  C5   DT A   4       1.833  -0.626   7.641  1.00 16.84           C  
ATOM     78  C7   DT A   4       1.615  -1.389   6.359  1.00 17.93           C  
ATOM     79  C6   DT A   4       1.916   0.720   7.641  1.00 15.82           C  
ATOM     80  P    DG A   5       3.800   7.113   8.345  1.00 18.35           P  
ATOM     81  OP1  DG A   5       3.805   7.782   9.631  1.00 20.29           O  
ATOM     82  OP2  DG A   5       3.010   7.685   7.265  1.00 17.76           O  
ATOM     83  O5'  DG A   5       5.319   6.960   7.916  1.00 19.97           O  
ATOM     84  C5'  DG A   5       6.367   6.501   8.723  1.00 18.24           C  
ATOM     85  C4'  DG A   5       7.655   7.062   8.155  1.00 16.97           C  
ATOM     86  O4'  DG A   5       7.825   6.681   6.765  1.00 16.91           O  
ATOM     87  C3'  DG A   5       7.812   8.579   8.167  1.00 16.06           C  
ATOM     88  O3'  DG A   5       9.207   8.802   8.370  1.00 19.01           O  
ATOM     89  C2'  DG A   5       7.340   9.024   6.784  1.00 15.46           C  
ATOM     90  C1'  DG A   5       7.832   7.864   5.931  1.00 16.70           C  
ATOM     91  N9   DG A   5       6.962   7.497   4.811  1.00 15.66           N  
ATOM     92  C8   DG A   5       5.595   7.493   4.838  1.00 13.93           C  
ATOM     93  N7   DG A   5       5.057   7.070   3.755  1.00 13.92           N  
ATOM     94  C5   DG A   5       6.124   6.769   2.918  1.00 15.35           C  
ATOM     95  C6   DG A   5       6.153   6.259   1.581  1.00 15.43           C  
ATOM     96  O6   DG A   5       5.230   5.959   0.830  1.00 15.70           O  
ATOM     97  N1   DG A   5       7.446   6.086   1.097  1.00 13.62           N  
ATOM     98  C2   DG A   5       8.555   6.353   1.838  1.00 15.95           C  
ATOM     99  N2   DG A   5       9.686   6.119   1.184  1.00 15.88           N  
ATOM    100  N3   DG A   5       8.567   6.825   3.085  1.00 14.50           N  
ATOM    101  C4   DG A   5       7.316   7.012   3.566  1.00 15.93           C  
ATOM    102  P    DC A   6       9.750  10.201   8.873  1.00 20.51           P  
ATOM    103  OP1  DC A   6      10.685   9.848   9.967  1.00 23.62           O  
ATOM    104  OP2  DC A   6       8.592  11.079   9.048  1.00 19.73           O  
ATOM    105  O5'  DC A   6      10.523  10.797   7.616  1.00 23.28           O  
ATOM    106  C5'  DC A   6      11.605  10.109   7.005  1.00 21.50           C  
ATOM    107  C4'  DC A   6      11.707  10.460   5.544  1.00 20.07           C  
ATOM    108  O4'  DC A   6      10.572   9.928   4.828  1.00 19.93           O  
ATOM    109  C3'  DC A   6      11.698  11.959   5.298  1.00 21.04           C  
ATOM    110  O3'  DC A   6      12.904  12.312   4.654  1.00 22.52           O  
ATOM    111  C2'  DC A   6      10.515  12.223   4.369  1.00 20.33           C  
ATOM    112  C1'  DC A   6      10.308  10.833   3.767  1.00 19.56           C  
ATOM    113  N1   DC A   6       8.941  10.569   3.206  1.00 18.82           N  
ATOM    114  C2   DC A   6       8.797  10.012   1.906  1.00 15.98           C  
ATOM    115  O2   DC A   6       9.792   9.723   1.232  1.00 16.79           O  
ATOM    116  N3   DC A   6       7.548   9.781   1.439  1.00 14.67           N  
ATOM    117  C4   DC A   6       6.481  10.098   2.179  1.00 14.47           C  
ATOM    118  N4   DC A   6       5.282   9.838   1.677  1.00 15.78           N  
ATOM    119  C5   DC A   6       6.595  10.682   3.480  1.00 13.49           C  
ATOM    120  C6   DC A   6       7.834  10.903   3.950  1.00 15.28           C  
ATOM    121  P    DT A   7      13.762  13.567   5.110  1.00 22.55           P  
ATOM    122  OP1  DT A   7      13.613  13.686   6.570  1.00 23.47           O  
ATOM    123  OP2  DT A   7      13.503  14.643   4.166  1.00 22.37           O  
ATOM    124  O5'  DT A   7      15.233  13.036   4.871  1.00 23.50           O  
ATOM    125  C5'  DT A   7      15.762  11.908   5.528  1.00 23.47           C  
ATOM    126  C4'  DT A   7      16.977  11.482   4.739  1.00 26.37           C  
ATOM    127  O4'  DT A   7      16.519  11.165   3.421  1.00 27.53           O  
ATOM    128  C3'  DT A   7      17.993  12.592   4.519  1.00 28.72           C  
ATOM    129  O3'  DT A   7      19.075  12.343   5.391  1.00 32.12           O  
ATOM    130  C2'  DT A   7      18.403  12.519   3.047  1.00 28.39           C  
ATOM    131  C1'  DT A   7      17.404  11.563   2.403  1.00 25.75           C  
ATOM    132  N1   DT A   7      16.529  12.112   1.334  1.00 24.91           N  
ATOM    133  C2   DT A   7      17.060  12.595   0.151  1.00 25.24           C  
ATOM    134  O2   DT A   7      18.249  12.619  -0.090  1.00 28.17           O  
ATOM    135  N3   DT A   7      16.158  13.088  -0.758  1.00 23.54           N  
ATOM    136  C4   DT A   7      14.786  13.119  -0.612  1.00 25.57           C  
ATOM    137  O4   DT A   7      14.061  13.573  -1.490  1.00 25.81           O  
ATOM    138  C5   DT A   7      14.269  12.596   0.645  1.00 25.17           C  
ATOM    139  C7   DT A   7      12.855  12.866   1.055  1.00 24.55           C  
ATOM    140  C6   DT A   7      15.158  12.116   1.530  1.00 25.25           C  
TER     141       DT A   7                                                      
HETATM  142  K     K A   8      11.541   7.907  12.005  0.50 33.81           K  
HETATM  143 CA    CA A   9      -0.003   0.067   0.000  0.25 18.66          CA  
HETATM  144  O   HOH A 101      11.371   0.000   4.251  0.50  8.15           O  
HETATM  145  O   HOH A 102       8.457   7.809  11.459  1.00 17.38           O  
HETATM  146  O   HOH A 103       0.000   0.000  -2.465  0.50 10.77           O  
HETATM  147  O   HOH A 104       7.920  -1.011   4.909  1.00 11.65           O  
HETATM  148  O   HOH A 105       3.762   2.275  -0.367  1.00 13.37           O  
HETATM  149  O   HOH A 106       0.031   2.275   0.020  0.50 16.89           O  
HETATM  150  O   HOH A 107       2.610  -0.242  -0.296  0.50 18.18           O  
HETATM  151  O   HOH A 108       5.206  -1.217   5.464  1.00 18.64           O  
HETATM  152  O   HOH A 109       3.713  -0.908   3.673  1.00 21.27           O  
HETATM  153  O   HOH A 110      11.309   2.122   9.432  1.00 20.13           O  
CONECT   21  142                                                                
CONECT  103  142                                                                
CONECT  142   21  103  145                                                      
CONECT  143  146  149  150                                                      
CONECT  145  142                                                                
CONECT  146  143                                                                
CONECT  149  143                                                                
CONECT  150  143                                                                
MASTER      354    0    2    0    0    0    2    6  152    1    8    1          
END                                                                             
