HEADER DNA 11-JUN-06 2H9S TITLE CRYSTAL STRUCTURE OF HOMO-DNA AND NATURE'S CHOICE OF PENTOSE OVER TITLE 2 HEXOSE IN THE GENETIC SYSTEM COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*(XCT)P*(XGU)P*(XAD)P*(XAD)P*(XTH)P*(XTH)P*(XCT) COMPND 3 P*(XGU))-3'; COMPND 4 CHAIN: A, B; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: CHEMICALLY SYNTHESIZED KEYWDS HOMO-DNA, HOMO-DNA CRYSTAL STRUCTURE, 2', 3'-DI-DEOXY-BETA- D- KEYWDS 2 GLUCOPYRANOSE, HEXOSE NUCLEIC ACID, GLUCOPYRANOSYL NUCLEIC ACID, KEYWDS 3 DIDEOXYGLUCOPYRANOSE OCTAMER, DNA EXPDTA X-RAY DIFFRACTION AUTHOR M.EGLI,P.S.PALLAN REVDAT 3 24-JUL-19 2H9S 1 REMARK LINK REVDAT 2 24-FEB-09 2H9S 1 VERSN REVDAT 1 12-DEC-06 2H9S 0 JRNL AUTH M.EGLI,P.S.PALLAN,R.PATTANAYEK,C.J.WILDS,P.LUBINI,G.MINASOV, JRNL AUTH 2 M.DOBLER,C.J.LEUMANN,A.ESCHENMOSER JRNL TITL CRYSTAL STRUCTURE OF HOMO-DNA AND NATURE'S CHOICE OF PENTOSE JRNL TITL 2 OVER HEXOSE IN THE GENETIC SYSTEM. JRNL REF J.AM.CHEM.SOC. V. 128 10847 2006 JRNL REFN ISSN 0002-7863 JRNL PMID 16910680 JRNL DOI 10.1021/JA062548X REMARK 2 REMARK 2 RESOLUTION. 1.75 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) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 6652 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) : 0.240 REMARK 3 R VALUE (WORKING SET) : 0.240 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 658 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 REFLECTION IN BIN (WORKING SET) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE SET COUNT : NULL REMARK 3 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 : 338 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 72 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): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL 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 : NULL REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; 0.015 ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; 1.170 ; NULL 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): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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 : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : NULL REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2H9S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUN-06. REMARK 100 THE DEPOSITION ID IS D_1000038108. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAR-00 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 5ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 CRYOGENICALLY COOLED REMARK 200 MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000, DENZO REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6688 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 12.90 REMARK 200 R MERGE (I) : 0.03500 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) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : 12.70 REMARK 200 R MERGE FOR SHELL (I) : 0.22000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 9.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.88 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5 MM HOMO-DNA, 8 MM SODIUM REMARK 280 CACODYLATE (PH 7.0), 6 MM MAGNESIUM CHLORIDE, 12% MPD (2-METHYL- REMARK 280 2,4-PENTANEDIOL), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 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+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 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-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 44.61667 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 89.23333 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 66.92500 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 111.54167 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 22.30833 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 44.61667 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 89.23333 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 111.54167 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 66.92500 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 22.30833 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 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 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 B 53 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 58 LIES ON A SPECIAL POSITION. REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 HOH A 201 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 MG A 200 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 XGU A 2 OP1 REMARK 620 2 HOH A 201 O 90.8 REMARK 620 3 HOH A 202 O 88.1 89.4 REMARK 620 4 HOH A 204 O 91.8 91.3 179.4 REMARK 620 5 HOH A 205 O 177.7 88.0 90.0 90.1 REMARK 620 6 HOH A 203 O 90.4 178.1 89.2 90.1 90.7 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 MG A 200 DBREF 2H9S A 1 8 PDB 2H9S 2H9S 1 8 DBREF 2H9S B 9 16 PDB 2H9S 2H9S 9 16 SEQRES 1 A 8 XCT XGU XAD XAD XTH XTH XCT XGU SEQRES 1 B 8 XCT XGU XAD XAD XTH XTH XCT XGU MODRES 2H9S XCT A 1 DC MODRES 2H9S XGU A 2 DG MODRES 2H9S XAD A 3 DA MODRES 2H9S XAD A 4 DA MODRES 2H9S XTH A 5 DT MODRES 2H9S XTH A 6 DT MODRES 2H9S XCT A 7 DC MODRES 2H9S XGU A 8 DG MODRES 2H9S XCT B 9 DC MODRES 2H9S XGU B 10 DG MODRES 2H9S XAD B 11 DA MODRES 2H9S XAD B 12 DA MODRES 2H9S XTH B 13 DT MODRES 2H9S XTH B 14 DT MODRES 2H9S XCT B 15 DC MODRES 2H9S XGU B 16 DG HET XCT A 1 17 HET XGU A 2 23 HET XAD A 3 22 HET XAD A 4 22 HET XTH A 5 21 HET XTH A 6 21 HET XCT A 7 20 HET XGU A 8 23 HET XCT B 9 17 HET XGU B 10 23 HET XAD B 11 22 HET XAD B 12 22 HET XTH B 13 22 HET XTH B 14 42 HET XCT B 15 24 HET XGU B 16 23 HET MG A 200 1 HETNAM XCT 4-AMINO-1-(2,3-DIDEOXY-6-O-PHOSPHONO-BETA-D-ERYTHRO- HETNAM 2 XCT HEXOPYRANOSYL)PYRIMIDIN-2(1H)-ONE HETNAM XGU 2-AMINO-9-(2,3-DIDEOXY-6-O-PHOSPHONO-BETA-D-ERYTHRO- HETNAM 2 XGU HEXOPYRANOSYL)-1,9-DIHYDRO-6H-PURIN-6-ONE HETNAM XAD 9-(2,3-DIDEOXY-6-O-PHOSPHONO-BETA-D-ERYTHRO- HETNAM 2 XAD HEXOPYRANOSYL)-9H-PURIN-6-AMINE HETNAM XTH 1-(2,3-DIDEOXY-6-O-PHOSPHONO-BETA-D-ERYTHRO- HETNAM 2 XTH HEXOPYRANOSYL)-5-METHYLPYRIMIDINE-2,4(1H,3H)-DIONE HETNAM MG MAGNESIUM ION HETSYN XCT 2',3'-DI-DEOXY-BETA-D-GLUCOPYRANOSYL CYTOSINE HETSYN XGU 2',3'-DI-DEOXY-BETA-D-GLUCOPYRANOSYL GUANINE HETSYN XAD 2',3'-DI-DEOXY-BETA-D-GLUCOPYRANOSYL ADENINE HETSYN XTH 2',3'-DI-DEOXY-BETA-D-GLUCOPYRANOSYL THYMINE FORMUL 1 XCT 4(C10 H16 N3 O7 P) FORMUL 1 XGU 4(C11 H16 N5 O7 P) FORMUL 1 XAD 4(C11 H16 N5 O6 P) FORMUL 1 XTH 4(C11 H17 N2 O8 P) FORMUL 3 MG MG 2+ FORMUL 4 HOH *72(H2 O) LINK O4' XCT A 1 P XGU A 2 1555 1555 1.64 LINK O4' XGU A 2 P XAD A 3 1555 1555 1.61 LINK O4' XAD A 3 P XAD A 4 1555 1555 1.58 LINK O4' XAD A 4 P XTH A 5 1555 1555 1.59 LINK O4' XTH A 5 P XTH A 6 1555 1555 1.59 LINK O4' XTH A 6 P XCT A 7 1555 1555 1.58 LINK O4' XCT A 7 P XGU A 8 1555 1555 1.58 LINK O4' XCT B 9 P XGU B 10 1555 1555 1.57 LINK O4' XGU B 10 P XAD B 11 1555 1555 1.58 LINK O4' XAD B 11 P XAD B 12 1555 1555 1.57 LINK O4' XAD B 12 P XTH B 13 1555 1555 1.59 LINK O4'AXTH B 13 P AXTH B 14 1555 1555 1.60 LINK O4'BXTH B 13 P BXTH B 14 1555 1555 1.61 LINK O4'AXTH B 14 P AXCT B 15 1555 1555 1.59 LINK O4'BXTH B 14 P BXCT B 15 1555 1555 1.59 LINK O4' XCT B 15 P XGU B 16 1555 1555 1.60 LINK OP1 XGU A 2 MG MG A 200 1555 1555 2.10 LINK MG MG A 200 O HOH A 201 1555 1555 2.10 LINK MG MG A 200 O HOH A 202 1555 1555 2.09 LINK MG MG A 200 O HOH A 204 1555 1555 2.03 LINK MG MG A 200 O HOH A 205 1555 1555 2.11 LINK MG MG A 200 O HOH A 203 1555 1555 2.09 SITE 1 AC1 5 XGU A 2 HOH A 202 HOH A 203 HOH A 204 SITE 2 AC1 5 HOH A 205 CRYST1 38.940 38.940 133.850 90.00 90.00 120.00 P 61 2 2 24 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 0.025681 0.014827 0.000000 0.00000 SCALE2 0.000000 0.029653 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007471 0.00000 MASTER 305 0 17 0 0 0 2 6 0 0 0 2 END