HEADER DNA 29-DEC-05 2FII TITLE CRYSTAL STRUCTURE ANALYSIS OF THE B-DNA DODECAMER CGCGAAT-AU-CGCG, TITLE 2 WITH INCORPORATED ARABINO-URIDIN (AU) CAVEAT 2FII CHIRALITY ERROR AT C2' CENTER OF UAR COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*CP*GP*CP*GP*AP*AP*TP*(UAR)P*CP*GP*CP*G)-3'; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS ARABINONUCLEIC ACID, SUGAR MODIFICATIONS, B-FORM DNA, DNA EXPDTA X-RAY DIFFRACTION AUTHOR M.EGLI,F.LI REVDAT 4 30-AUG-23 2FII 1 REMARK LINK REVDAT 3 28-DEC-11 2FII 1 CAVEAT VERSN REVDAT 2 24-FEB-09 2FII 1 VERSN REVDAT 1 23-MAY-06 2FII 0 JRNL AUTH F.LI,S.SARKHEL,C.J.WILDS,Z.WAWRZAK,T.P.PRAKASH,M.MANOHARAN, JRNL AUTH 2 M.EGLI JRNL TITL 2'-FLUOROARABINO- AND ARABINONUCLEIC ACID SHOW DIFFERENT JRNL TITL 2 CONFORMATIONS, RESULTING IN DEVIATING RNA AFFINITIES AND JRNL TITL 3 PROCESSING OF THEIR HETERODUPLEXES WITH RNA BY RNASE H. JRNL REF BIOCHEMISTRY V. 45 4141 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 16566588 JRNL DOI 10.1021/BI052322R REMARK 2 REMARK 2 RESOLUTION. 1.24 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 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.24 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.158 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.155 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.212 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 985 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 19728 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.156 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.208 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.153 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 934 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 18604 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 486 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 131 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : 15316 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 ANGLE DISTANCES (A) : NULL REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2FII COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JAN-06. REMARK 100 THE DEPOSITION ID IS D_1000035917. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-JUL-02 REMARK 200 TEMPERATURE (KELVIN) : 103.0 REMARK 200 PH : 7.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 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) : 1.0 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 : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19780 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.240 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.24 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.34 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.16800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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: CNS REMARK 200 STARTING MODEL: NDB ENTRY BDL084/PDB ENTRY 355D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: FINAL DROPLET COMPOSITION: 0.6 MM REMARK 280 OLIGONUCLEOTIDE, 20MM SODIUM CACODYLATE, 6.3 MM MG(OAC)2, AND 3 REMARK 280 MM SPERMINE TETRAHYDROCHLORIDE., PH 7.0, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 291K, PH 7.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 12.84950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 32.78200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.95750 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 32.78200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 12.84950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 19.95750 REMARK 290 SMTRY3 4 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: 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 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 1 C3' DC A 1 C2' -0.049 REMARK 500 DC A 1 O4' DC A 1 C1' 0.086 REMARK 500 DG A 2 C3' DG A 2 C2' -0.063 REMARK 500 DG A 2 C2' DG A 2 C1' -0.079 REMARK 500 DG A 2 O4' DG A 2 C1' 0.102 REMARK 500 DC A 3 C3' DC A 3 C2' -0.051 REMARK 500 DC A 3 C2' DC A 3 C1' -0.079 REMARK 500 DC A 3 O4' DC A 3 C1' 0.123 REMARK 500 DA A 5 C3' DA A 5 C2' -0.048 REMARK 500 DA A 5 C2' DA A 5 C1' -0.070 REMARK 500 DA A 5 O4' DA A 5 C1' 0.105 REMARK 500 DA A 6 C2' DA A 6 C1' -0.076 REMARK 500 DA A 6 O4' DA A 6 C1' 0.081 REMARK 500 DT A 7 C2' DT A 7 C1' -0.090 REMARK 500 DT A 7 O4' DT A 7 C1' 0.113 REMARK 500 DC A 9 C2' DC A 9 C1' -0.099 REMARK 500 DC A 9 O4' DC A 9 C1' 0.164 REMARK 500 DG A 10 O4' DG A 10 C1' 0.073 REMARK 500 DC A 11 C2' DC A 11 C1' -0.106 REMARK 500 DC A 11 O4' DC A 11 C1' 0.131 REMARK 500 DG A 12 C2' DG A 12 C1' -0.076 REMARK 500 DG A 12 O4' DG A 12 C1' 0.105 REMARK 500 DC B 113 C3' DC B 113 C2' -0.059 REMARK 500 DC B 113 C2' DC B 113 C1' -0.064 REMARK 500 DC B 113 O4' DC B 113 C1' 0.098 REMARK 500 DG B 114 C3' DG B 114 C2' -0.049 REMARK 500 DG B 114 C2' DG B 114 C1' -0.080 REMARK 500 DG B 114 O4' DG B 114 C1' 0.094 REMARK 500 DC B 115 C2' DC B 115 C1' -0.087 REMARK 500 DC B 115 O4' DC B 115 C1' 0.129 REMARK 500 DA B 117 C3' DA B 117 C2' -0.050 REMARK 500 DA B 117 C2' DA B 117 C1' -0.071 REMARK 500 DA B 117 O4' DA B 117 C1' 0.115 REMARK 500 DA B 118 C2' DA B 118 C1' -0.087 REMARK 500 DA B 118 O4' DA B 118 C1' 0.095 REMARK 500 DT B 119 C2' DT B 119 C1' -0.085 REMARK 500 DT B 119 O4' DT B 119 C1' 0.111 REMARK 500 DC B 121 C2' DC B 121 C1' -0.090 REMARK 500 DC B 121 O4' DC B 121 C1' 0.141 REMARK 500 DC B 123 C3' DC B 123 C2' -0.067 REMARK 500 DC B 123 C2' DC B 123 C1' -0.131 REMARK 500 DC B 123 O4' DC B 123 C1' 0.167 REMARK 500 DG B 124 C2' DG B 124 C1' -0.078 REMARK 500 DG B 124 O4' DG B 124 C1' 0.126 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 1 O4' - C1' - N1 ANGL. DEV. = -5.4 DEGREES REMARK 500 DG A 2 O4' - C1' - N9 ANGL. DEV. = -7.3 DEGREES REMARK 500 DC A 3 O4' - C1' - N1 ANGL. DEV. = -7.5 DEGREES REMARK 500 DG A 4 O5' - C5' - C4' ANGL. DEV. = -5.1 DEGREES REMARK 500 DG A 4 C3' - O3' - P ANGL. DEV. = 7.8 DEGREES REMARK 500 DA A 5 O4' - C1' - N9 ANGL. DEV. = -4.3 DEGREES REMARK 500 DA A 5 N1 - C6 - N6 ANGL. DEV. = -4.2 DEGREES REMARK 500 DA A 5 C3' - O3' - P ANGL. DEV. = 10.8 DEGREES REMARK 500 DA A 6 O4' - C1' - N9 ANGL. DEV. = -5.4 DEGREES REMARK 500 DT A 7 O4' - C1' - N1 ANGL. DEV. = -5.9 DEGREES REMARK 500 DC A 9 N1 - C1' - C2' ANGL. DEV. = 13.4 DEGREES REMARK 500 DC A 9 O4' - C1' - N1 ANGL. DEV. = -11.2 DEGREES REMARK 500 DG A 10 C3' - C2' - C1' ANGL. DEV. = -5.2 DEGREES REMARK 500 DC A 11 N1 - C1' - C2' ANGL. DEV. = 11.4 DEGREES REMARK 500 DC A 11 O4' - C1' - N1 ANGL. DEV. = -12.4 DEGREES REMARK 500 DG A 12 O4' - C1' - N9 ANGL. DEV. = -8.3 DEGREES REMARK 500 DC B 113 O5' - C5' - C4' ANGL. DEV. = -6.1 DEGREES REMARK 500 DC B 113 O4' - C1' - N1 ANGL. DEV. = -4.8 DEGREES REMARK 500 DG B 114 O4' - C1' - N9 ANGL. DEV. = -4.8 DEGREES REMARK 500 DG B 114 N7 - C8 - N9 ANGL. DEV. = -3.8 DEGREES REMARK 500 DC B 115 O4' - C1' - N1 ANGL. DEV. = -7.4 DEGREES REMARK 500 DC B 115 C2 - N3 - C4 ANGL. DEV. = 4.3 DEGREES REMARK 500 DC B 115 N3 - C4 - C5 ANGL. DEV. = -2.4 DEGREES REMARK 500 DG B 116 O4' - C1' - N9 ANGL. DEV. = 4.4 DEGREES REMARK 500 DG B 116 C3' - O3' - P ANGL. DEV. = 8.9 DEGREES REMARK 500 DA B 117 O4' - C1' - N9 ANGL. DEV. = -7.4 DEGREES REMARK 500 DA B 118 O4' - C1' - N9 ANGL. DEV. = -7.2 DEGREES REMARK 500 DT B 119 O4' - C1' - N1 ANGL. DEV. = -6.3 DEGREES REMARK 500 DC B 121 C1' - O4' - C4' ANGL. DEV. = -7.7 DEGREES REMARK 500 DC B 121 N1 - C1' - C2' ANGL. DEV. = 9.9 DEGREES REMARK 500 DC B 121 O4' - C1' - N1 ANGL. DEV. = -8.1 DEGREES REMARK 500 DC B 121 C6 - N1 - C2 ANGL. DEV. = -2.6 DEGREES REMARK 500 DC B 121 C5 - C6 - N1 ANGL. DEV. = 3.1 DEGREES REMARK 500 DC B 123 O4' - C4' - C3' ANGL. DEV. = -3.4 DEGREES REMARK 500 DC B 123 N1 - C1' - C2' ANGL. DEV. = 11.8 DEGREES REMARK 500 DC B 123 O4' - C1' - N1 ANGL. DEV. = -10.9 DEGREES REMARK 500 DC B 123 C2 - N1 - C1' ANGL. DEV. = -7.2 DEGREES REMARK 500 DG B 124 O4' - C1' - N9 ANGL. DEV. = -6.8 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 MG A 310 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 204 O REMARK 620 2 HOH A 205 O 93.7 REMARK 620 3 HOH A 220 O 174.1 84.7 REMARK 620 4 HOH A 229 O 89.0 92.8 85.4 REMARK 620 5 HOH A 230 O 89.0 174.1 93.0 92.6 REMARK 620 6 HOH B 206 O 93.4 87.3 92.3 177.6 87.3 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 310 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2FIH RELATED DB: PDB REMARK 900 RELATED ID: 2FIJ RELATED DB: PDB REMARK 900 RELATED ID: 2FIL RELATED DB: PDB DBREF 2FII A 1 12 PDB 2FII 2FII 1 12 DBREF 2FII B 113 124 PDB 2FII 2FII 113 124 SEQRES 1 A 12 DC DG DC DG DA DA DT UAR DC DG DC DG SEQRES 1 B 12 DC DG DC DG DA DA DT UAR DC DG DC DG MODRES 2FII UAR A 8 U URACIL ARABINOSE-5'-PHOSPHATE MODRES 2FII UAR B 120 U URACIL ARABINOSE-5'-PHOSPHATE HET UAR A 8 20 HET UAR B 120 20 HET MG A 310 1 HETNAM UAR URACIL ARABINOSE-5'-PHOSPHATE HETNAM MG MAGNESIUM ION FORMUL 1 UAR 2(C9 H13 N2 O9 P) FORMUL 3 MG MG 2+ FORMUL 4 HOH *131(H2 O) LINK O3' DT A 7 P UAR A 8 1555 1555 1.58 LINK O3' UAR A 8 P DC A 9 1555 1555 1.61 LINK O3' DT B 119 P UAR B 120 1555 1555 1.59 LINK O3' UAR B 120 P DC B 121 1555 1555 1.58 LINK O HOH A 204 MG MG A 310 1555 1555 2.09 LINK O HOH A 205 MG MG A 310 1555 1555 2.06 LINK O HOH A 220 MG MG A 310 3546 1555 2.06 LINK O HOH A 229 MG MG A 310 3546 1555 2.08 LINK O HOH A 230 MG MG A 310 3546 1555 2.07 LINK MG MG A 310 O HOH B 206 1555 1555 2.07 SITE 1 AC1 6 HOH A 204 HOH A 205 HOH A 220 HOH A 229 SITE 2 AC1 6 HOH A 230 HOH B 206 CRYST1 25.699 39.915 65.564 90.00 90.00 90.00 P 21 21 21 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 0.038912 0.000000 0.000000 0.00000 SCALE2 0.000000 0.025053 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015252 0.00000