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 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 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