3LLN - Header Asymmetric Unit

HEADER DNA 29-JAN-10 3LLN

TITLE COMPARISON BETWEEN THE ORTHORHOMBIC AN TETRAGONAL FORM OF THE HEPTAMER TITLE 2 SEQUENCE D(GCG(XT)GCG)/D(CGCACGC).

COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*GP*CP*GP*(XTR)P*GP*CP*G)-3'); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: DNA (5'-D(*CP*GP*CP*AP*CP*GP*C)-3'); COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SYNTHESIZED ON SOLID SUPPORT; SOURCE 4 MOL_ID: 2; SOURCE 5 SYNTHETIC: YES; SOURCE 6 OTHER_DETAILS: SYNTHESIZED ON SOLID SUPPORT

KEYWDS DOUBLE HELIX, CENA, SUGAR MODIFICATION, RIGHT-HANDED, DNA

EXPDTA X-RAY DIFFRACTION

AUTHOR K.ROBEYNS,P.HERDEWIJN,L.VAN MEERVELT

REVDAT 2 22-SEP-10 3LLN 1 JRNL REVDAT 1 18-AUG-10 3LLN 0

JRNL AUTH K.ROBEYNS,P.HERDEWIJN,L.VAN MEERVELT JRNL TITL COMPARISON BETWEEN THE ORTHORHOMBIC AND TETRAGONAL FORMS OF JRNL TITL 2 THE HEPTAMER SEQUENCE D[GCG(XT)GCG]/D(CGCACGC) JRNL REF ACTA CRYSTALLOGR.,SECT.F V. 66 1028 2010 JRNL REFN ESSN 1744-3091 JRNL PMID 20823518 JRNL DOI 10.1107/S1744309110031696

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.ROBEYNS,P.HERDEWIJN,L.VAN MEERVELT REMARK 1 TITL STRUCTURE OF THE FULLY MODIFIED LEFT-HANDED CYCLOHEXENE REMARK 1 TITL 2 NUCLEIC ACID SEQUENCE GTGTACAC. REMARK 1 REF J.AM.CHEM.SOC. V. 130 1979 2008 REMARK 1 REFN ISSN 0002-7863 REMARK 1 PMID 18198873 REMARK 1 DOI 10.1021/JA077313F REMARK 1 REFERENCE 2 REMARK 1 AUTH K.ROBEYNS,P.HERDEWIJN,L.VAN MEERVELT REMARK 1 TITL INFLUENCE OF THE INCORPORATION OF A CYCLOHEXENYL NUCLEIC REMARK 1 TITL 2 ACID (CENA) RESIDUE ONTO THE SEQUENCE D(CGCGAATTCGCG). REMARK 1 REF NUCLEIC ACIDS RES. V. 36 1407 2008 REMARK 1 REFN ISSN 0305-1048 REMARK 1 PMID 18160414 REMARK 1 DOI 10.1093/NAR/GKM1132 REMARK 1 REFERENCE 3 REMARK 1 AUTH K.ROBEYNS,P.HERDEWIJN,L.VAN MEERVELT REMARK 1 TITL DIRECT OBSERVATION OF TWO CYCLOHEXENYL (CENA) RING REMARK 1 TITL 2 CONFORMATIONS IN DUPLEX DNA REMARK 1 REF ARTIFICIAL DNA V. 1 1 2010 REMARK 1 REFN ISSN 1949-095X

REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0072 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.15 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 678 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NONE REMARK 3 FREE R VALUE TEST SET SELECTION : NONE REMARK 3 R VALUE (WORKING + TEST SET) : 0.226 REMARK 3 R VALUE (WORKING SET) : 0.226 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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) : 3.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.08 REMARK 3 REFLECTION IN BIN (WORKING SET) : 41 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.00 REMARK 3 BIN R VALUE (WORKING SET) : 0.1950 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 : 282 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 9 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 71.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.73000 REMARK 3 B22 (A**2) : 6.73000 REMARK 3 B33 (A**2) : -13.45000 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 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): 0.291 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 14.930 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.960 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): 323 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 607 ; 1.943 ; 2.922 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): 53 ; 0.122 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 151 ; 0.011 ; 0.020 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 SIDE-CHAIN BOND REFINED ATOMS (A**2): 321 ; 2.103 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 497 ; 3.229 ; 4.500 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: NULL

REMARK 4 REMARK 4 3LLN COMPLIES WITH FORMAT V. 3.20, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-FEB-10. REMARK 100 THE RCSB ID CODE IS RCSB057429.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-SEP-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X12 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9537 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 681 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 18.550 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 11.400 REMARK 200 R MERGE (I) : 0.10500 REMARK 200 R SYM (I) : 0.10500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.16 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 12.40 REMARK 200 R MERGE FOR SHELL (I) : 0.17400 REMARK 200 R SYM FOR SHELL (I) : 0.17400 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 3FL6 (ONE BIOLOGICAL UNIT) REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10%(V/V) 2-METHYL-2,4-PENTANEDIOL(MPD) REMARK 280 , 20MM COBALT HEXAMINE, 40MM POTASSIUM CACODYLATE BUFFERED AT PH= REMARK 280 5.5, AND 80/12MM KCL/NACL, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 289K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 40.57350 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 12.74100 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 12.74100 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 20.28675 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 12.74100 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 12.74100 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 60.86025 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 12.74100 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 12.74100 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 20.28675 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 12.74100 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 12.74100 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 60.86025 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 40.57350 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: 640 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 3020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -3.0 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 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 4 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 DC A 6 O3' DC A 6 C3' -0.037 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 DC A 2 O4' - C1' - N1 ANGL. DEV. = 3.3 DEGREES REMARK 500 DG A 5 C1' - O4' - C4' ANGL. DEV. = -6.2 DEGREES REMARK 500 DC A 6 O4' - C1' - N1 ANGL. DEV. = 2.4 DEGREES REMARK 500 DA B 14 O4' - C1' - N9 ANGL. DEV. = 2.8 DEGREES REMARK 500 DG B 16 O5' - C5' - C4' ANGL. DEV. = -5.3 DEGREES REMARK 500 DG B 16 O4' - C1' - N9 ANGL. DEV. = -4.9 DEGREES REMARK 500 REMARK 500 REMARK: NULL

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 8

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2H0N RELATED DB: PDB REMARK 900 CONTAINS THE SAME TYPE OF SYNTHETIC NUCLEOSIDES REMARK 900 RELATED ID: 2P8D RELATED DB: PDB REMARK 900 CONTAINS THE SAME TYPE OF SYNTHETIC NUCLEOSIDES REMARK 900 RELATED ID: 3FL6 RELATED DB: PDB REMARK 900 IDENTICAL SEQUENCE

DBREF 3LLN A 1 7 PDB 3LLN 3LLN 1 7 DBREF 3LLN B 11 17 PDB 3LLN 3LLN 11 17

SEQRES 1 A 7 DG DC DG XTR DG DC DG SEQRES 1 B 7 DC DG DC DA DC DG DC

MODRES 3LLN XTR A 4 DT

HET XTR A 4 21 HET NCO A 8 7

HETNAM XTR [(1R,4S,6S)-6-HYDROXY-4-(5-METHYL-2,4-DIOXO-3,4- HETNAM 2 XTR DIHYDROPYRIMIDIN-1(2H)-YL)CYCLOHEX-2-EN-1-YL]METHYL HETNAM 3 XTR DIHYDROGEN PHOSPHATE HETNAM NCO COBALT HEXAMMINE(III)

FORMUL 1 XTR C12 H17 N2 O7 P FORMUL 3 NCO CO H18 N6 3+ FORMUL 4 HOH *9(H2 O)

LINK O3' DG A 3 P XTR A 4 1555 1555 1.62 LINK O3' XTR A 4 P DG A 5 1555 1555 1.60

SITE 1 AC1 4 DC A 2 XTR A 4 DG A 5 DA B 14

CRYST1 25.482 25.482 81.147 90.00 90.00 90.00 P 41 21 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 0.039244 0.000000 0.000000 0.00000

SCALE2 0.000000 0.039244 0.000000 0.00000

SCALE3 0.000000 0.000000 0.012323 0.00000