HEADER DNA/RNA 29-JUL-14 4U6L TITLE CRYSTAL STRUCTURE OF DNA/RNA DUPLEX OBTAINED IN THE PRESENCE OF TITLE 2 [CO(NH3)6]CL3 AND SRCL2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (5'-R(*GP*AP*AP*GP*AP*AP*GP*AP*G)-3'); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: DNA (5'-D(*(5CM)P*TP*CP*TP*TP*CP*TP*TP*(5CM))-3'); COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 8 ORGANISM_TAXID: 32630 KEYWDS DNA/RNA HYBRID DUPLEX, ANTISENSE, DNA-RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.KONDO,Y.NOMURA,Y.KITAHARA,S.OBIKA,H.TORIGOE REVDAT 4 26-JUN-24 4U6L 1 REMARK REVDAT 3 06-JUL-22 4U6L 1 JRNL LINK REVDAT 2 29-JAN-20 4U6L 1 REMARK REVDAT 1 19-AUG-15 4U6L 0 JRNL AUTH J.KONDO,Y.NOMURA,Y.KITAHARA,S.OBIKA,H.TORIGOE JRNL TITL THE CRYSTAL STRUCTURE OF A 2',4'-BNA(NC)[N-ME]-MODIFIED JRNL TITL 2 ANTISENSE GAPMER IN COMPLEX WITH THE TARGET RNA. JRNL REF CHEM.COMMUN.(CAMB.) V. 52 2354 2016 JRNL REFN ESSN 1364-548X JRNL PMID 26731288 JRNL DOI 10.1039/C5CC08300A REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.02 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 4975 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.251 REMARK 3 FREE R VALUE : 0.275 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.400 REMARK 3 FREE R VALUE TEST SET COUNT : 517 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 449 REMARK 3 BIN R VALUE (WORKING SET) : 0.3450 REMARK 3 BIN FREE R VALUE : 0.3465 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 52 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 374 REMARK 3 HETEROGEN ATOMS : 9 REMARK 3 SOLVENT ATOMS : 60 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.12 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.42700 REMARK 3 B22 (A**2) : 0.42700 REMARK 3 B33 (A**2) : -0.85400 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.724 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.328 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 69.65 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NCO_XPLOR.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_201312.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4U6L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-AUG-14. REMARK 100 THE DEPOSITION ID IS D_1000202902. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-OCT-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-5A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.60366, 1.60546, 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 4976 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 42.020 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 10.76 REMARK 200 R MERGE (I) : 0.03000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 32.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.83 REMARK 200 R MERGE FOR SHELL (I) : 0.31600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: PHENIX, SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.18 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.01 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NA CACODYLATE, HEXAMMINE COBALT REMARK 280 CHLORIDE, SRCL2, MPD, PH 7.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 15.50667 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 31.01333 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 23.26000 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 38.76667 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 7.75333 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1890 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 3540 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 215 O HOH A 226 1.72 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 A A 2 P A A 2 OP1 0.120 REMARK 500 A A 2 P A A 2 OP2 0.123 REMARK 500 A A 3 P A A 3 OP1 0.107 REMARK 500 A A 3 P A A 3 OP2 0.126 REMARK 500 G A 4 P G A 4 OP1 0.127 REMARK 500 G A 4 P G A 4 OP2 0.123 REMARK 500 A A 5 P A A 5 OP1 0.120 REMARK 500 A A 5 P A A 5 OP2 0.127 REMARK 500 A A 5 P A A 5 O5' 0.063 REMARK 500 A A 6 P A A 6 OP1 0.124 REMARK 500 A A 6 P A A 6 OP2 0.131 REMARK 500 G A 7 P G A 7 OP1 0.117 REMARK 500 G A 7 P G A 7 OP2 0.130 REMARK 500 A A 8 P A A 8 OP1 0.125 REMARK 500 A A 8 P A A 8 OP2 0.123 REMARK 500 G A 9 P G A 9 OP1 0.110 REMARK 500 G A 9 P G A 9 OP2 0.103 REMARK 500 G A 9 P G A 9 O5' 0.061 REMARK 500 DT B 2 P DT B 2 OP1 0.116 REMARK 500 DT B 2 P DT B 2 OP2 0.125 REMARK 500 DC B 3 P DC B 3 OP1 0.112 REMARK 500 DC B 3 P DC B 3 OP2 0.121 REMARK 500 DT B 4 P DT B 4 OP1 0.118 REMARK 500 DT B 4 P DT B 4 OP2 0.122 REMARK 500 DT B 5 P DT B 5 OP1 0.115 REMARK 500 DT B 5 P DT B 5 OP2 0.117 REMARK 500 DC B 6 P DC B 6 OP1 0.103 REMARK 500 DC B 6 P DC B 6 OP2 0.121 REMARK 500 DT B 7 P DT B 7 OP1 0.111 REMARK 500 DT B 7 P DT B 7 OP2 0.110 REMARK 500 DT B 8 P DT B 8 OP1 0.113 REMARK 500 DT B 8 P DT B 8 OP2 0.125 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 G A 4 O5' - P - OP2 ANGL. DEV. = -5.5 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 227 DISTANCE = 6.02 ANGSTROMS REMARK 525 HOH B 228 DISTANCE = 8.69 ANGSTROMS REMARK 525 HOH B 229 DISTANCE = 10.40 ANGSTROMS REMARK 525 HOH B 233 DISTANCE = 7.41 ANGSTROMS 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 SR A 102 SR REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 219 O REMARK 620 2 HOH A 224 O 111.1 REMARK 620 3 HOH A 225 O 131.4 71.7 REMARK 620 4 HOH A 226 O 108.4 140.5 80.8 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NCO A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SR A 102 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4U6K RELATED DB: PDB REMARK 900 RELATED ID: 4U6M RELATED DB: PDB DBREF 4U6L A 1 9 PDB 4U6L 4U6L 1 9 DBREF 4U6L B 1 9 PDB 4U6L 4U6L 1 9 SEQRES 1 A 9 G A A G A A G A G SEQRES 1 B 9 5CM DT DC DT DT DC DT DT 5CM HET 5CM B 1 17 HET 5CM B 9 20 HET NCO A 101 7 HET SR A 102 1 HET SR B 101 1 HETNAM 5CM 5-METHYL-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE HETNAM NCO COBALT HEXAMMINE(III) HETNAM SR STRONTIUM ION FORMUL 2 5CM 2(C10 H16 N3 O7 P) FORMUL 3 NCO CO H18 N6 3+ FORMUL 4 SR 2(SR 2+) FORMUL 6 HOH *60(H2 O) LINK O3' 5CM B 1 P DT B 2 1555 1555 1.61 LINK O3' DT B 8 P 5CM B 9 1555 1555 1.61 LINK SR SR A 102 O HOH A 219 1555 1555 2.84 LINK SR SR A 102 O HOH A 224 1555 1555 2.71 LINK SR SR A 102 O HOH A 225 1555 1555 2.66 LINK SR SR A 102 O HOH A 226 1555 1555 2.88 SITE 1 AC1 5 G A 1 HOH A 208 HOH A 216 DT B 4 SITE 2 AC1 5 DT B 5 SITE 1 AC2 5 HOH A 219 HOH A 223 HOH A 224 HOH A 225 SITE 2 AC2 5 HOH A 226 CRYST1 48.520 48.520 46.520 90.00 90.00 120.00 P 61 6 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 0.020610 0.011899 0.000000 0.00000 SCALE2 0.000000 0.023798 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021496 0.00000