HEADER RNA 12-JAN-07 2OIY TITLE CRYSTAL STRUCTURE OF THE DUPLEX FORM OF THE HIV-1(LAI) RNA TITLE 2 DIMERIZATION INITIATION SITE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-R(*CP*UP*UP*GP*CP*UP*GP*AP*AP*GP*CP*GP*CP*GP*CP*AP*CP*GP COMPND 3 *GP*CP*AP*AP*G)-3'; COMPND 4 CHAIN: A, B; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: HIV-1SUBTYPE B DIS RNA, DIMERIZATION INITIATION SITE SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: HIV-1 GENOMIC RNA LAI ISOLATE (HIV-1 SUBTYPE B) KEYWDS HIV-1, DIS, RNA, DIMERIZATION EXPDTA X-RAY DIFFRACTION AUTHOR E.ENNIFAR,P.WALTER,P.DUMAS REVDAT 4 27-DEC-23 2OIY 1 REMARK LINK REVDAT 3 18-APR-12 2OIY 1 JRNL VERSN REVDAT 2 24-FEB-09 2OIY 1 VERSN REVDAT 1 25-DEC-07 2OIY 0 JRNL AUTH E.ENNIFAR,P.WALTER,P.DUMAS JRNL TITL CATION-DEPENDENT CLEAVAGE OF THE DUPLEX FORM OF THE JRNL TITL 2 SUBTYPE-B HIV-1 RNA DIMERIZATION INITIATION SITE. JRNL REF NUCLEIC ACIDS RES. V. 38 5807 2010 JRNL REFN ISSN 0305-1048 JRNL PMID 20460458 JRNL DOI 10.1093/NAR/GKQ344 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.2 REMARK 3 NUMBER OF REFLECTIONS : 15606 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 SET) : 0.242 REMARK 3 FREE R VALUE : 0.250 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1059 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.70 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 85.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2166 REMARK 3 BIN R VALUE (WORKING SET) : 0.3200 REMARK 3 BIN FREE R VALUE : 0.3110 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 150 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 982 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 183 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.57000 REMARK 3 B22 (A**2) : 0.28000 REMARK 3 B33 (A**2) : -2.85000 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 8.700 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.500 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL 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 : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 45.84 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : LUC.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2OIY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JAN-07. REMARK 100 THE DEPOSITION ID IS D_1000041193. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-FEB-01 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.933 REMARK 200 MONOCHROMATOR : CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16259 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 9.200 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06300 REMARK 200 FOR THE DATA SET : 23.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.64 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.21200 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MAGNESIUM CHLORIDE, CACODYLATE, REMARK 280 POTASSIUM CHLORIDE, SPERMINE, MPD, PH 7.00, VAPOR DIFFUSION, REMARK 280 SITTING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 21.98150 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.77500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.98150 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 23.77500 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 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 90 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 G A 7 0.08 SIDE CHAIN REMARK 500 A A 8 0.06 SIDE CHAIN REMARK 500 G B 7 0.06 SIDE CHAIN 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 K A 25 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U A 6 O4 REMARK 620 2 G A 7 O6 74.4 REMARK 620 3 HOH A 135 O 128.2 129.5 REMARK 620 4 HOH A 165 O 71.4 137.7 62.0 REMARK 620 5 G B 18 O6 77.4 65.8 150.5 127.5 REMARK 620 6 HOH B 60 O 159.3 95.8 72.1 124.1 82.0 REMARK 620 7 HOH B 63 O 88.5 78.7 60.6 76.3 144.0 107.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 24 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 C A 20 O2 REMARK 620 2 HOH A 138 O 70.8 REMARK 620 3 C B 5 O2 87.1 151.5 REMARK 620 4 HOH B 33 O 156.6 128.7 77.6 REMARK 620 5 HOH B 51 O 107.5 78.8 91.6 90.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 74 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 158 O REMARK 620 2 HOH B 34 O 105.2 REMARK 620 3 HOH B 61 O 171.8 75.6 REMARK 620 4 HOH B 80 O 89.1 87.1 82.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 98 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 125 O REMARK 620 2 HOH A 129 O 162.7 REMARK 620 3 HOH A 136 O 79.2 84.8 REMARK 620 4 HOH A 146 O 81.2 113.4 158.4 REMARK 620 5 HOH A 163 O 101.0 74.6 97.4 77.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 24 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 101 O REMARK 620 2 C B 20 O2' 155.1 REMARK 620 3 C B 20 O2 102.4 80.5 REMARK 620 4 A B 21 O4' 81.4 73.8 90.4 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 K B 24 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 24 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 25 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 74 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 98 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2OIJ RELATED DB: PDB REMARK 900 HIV-1 SUBTYPE B DIS RNA DUPLEX SOAKED IN AUCL3 REMARK 900 RELATED ID: 462D RELATED DB: PDB REMARK 900 HIV-1 SUBTYPE A DIS RNA DUPLEX (TRIGONAL FORM) REMARK 900 RELATED ID: 1Y99 RELATED DB: PDB REMARK 900 HIV-1 SUBTYPE A DIS RNA DUPLEX (MONOCLINIC FORM) REMARK 900 RELATED ID: 2OJ0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE DUPLEX FORM OF THE HIV-1(LAI) RNA REMARK 900 DIMERIZATION INITIATION SITE MN SOAKED DBREF 2OIY A 1 23 PDB 2OIY 2OIY 1 23 DBREF 2OIY B 1 23 PDB 2OIY 2OIY 1 23 SEQRES 1 A 23 C U U G C U G A A G C G C SEQRES 2 A 23 G C A C G G C A A G SEQRES 1 B 23 C U U G C U G A A G C G C SEQRES 2 B 23 G C A C G G C A A G HET K A 24 1 HET K A 25 1 HET MG A 74 1 HET MG A 98 1 HET K B 24 1 HETNAM K POTASSIUM ION HETNAM MG MAGNESIUM ION FORMUL 3 K 3(K 1+) FORMUL 5 MG 2(MG 2+) FORMUL 8 HOH *183(H2 O) LINK O4 U A 6 K K A 25 1555 1555 2.78 LINK O6 G A 7 K K A 25 1555 1555 2.91 LINK O2 C A 20 K K A 24 1555 1555 2.77 LINK K K A 24 O HOH A 138 1555 1555 2.88 LINK K K A 24 O2 C B 5 1555 1555 2.86 LINK K K A 24 O HOH B 33 1555 1555 3.21 LINK K K A 24 O HOH B 51 1555 1555 3.02 LINK K K A 25 O HOH A 135 1555 1555 3.08 LINK K K A 25 O HOH A 165 1555 1555 3.21 LINK K K A 25 O6 G B 18 1555 1555 3.05 LINK K K A 25 O HOH B 60 1555 1555 2.92 LINK K K A 25 O HOH B 63 1555 1555 3.05 LINK MG MG A 74 O HOH A 158 1555 1555 2.35 LINK MG MG A 74 O HOH B 34 1555 1555 1.99 LINK MG MG A 74 O HOH B 61 1555 1555 1.94 LINK MG MG A 74 O HOH B 80 1555 1555 1.88 LINK MG MG A 98 O HOH A 125 1555 1555 2.61 LINK MG MG A 98 O HOH A 129 1555 1555 1.93 LINK MG MG A 98 O HOH A 136 1555 1555 2.08 LINK MG MG A 98 O HOH A 146 1555 1555 2.24 LINK MG MG A 98 O HOH A 163 1555 1555 2.27 LINK O HOH A 101 K K B 24 1555 1555 2.96 LINK O2' C B 20 K K B 24 1555 1555 2.78 LINK O2 C B 20 K K B 24 1555 1555 2.73 LINK O4' A B 21 K K B 24 1555 1555 2.96 SITE 1 AC1 6 HOH A 101 G B 4 C B 20 A B 21 SITE 2 AC1 6 HOH B 26 HOH B 59 SITE 1 AC2 7 G A 19 C A 20 HOH A 117 HOH A 138 SITE 2 AC2 7 G B 4 C B 5 HOH B 51 SITE 1 AC3 8 C A 5 U A 6 G A 7 HOH A 135 SITE 2 AC3 8 C B 17 G B 18 HOH B 60 HOH B 63 SITE 1 AC4 6 G A 19 HOH A 141 HOH A 158 HOH B 34 SITE 2 AC4 6 HOH B 61 HOH B 80 SITE 1 AC5 5 HOH A 125 HOH A 129 HOH A 136 HOH A 146 SITE 2 AC5 5 HOH A 163 CRYST1 43.963 47.550 57.633 90.00 90.00 90.00 P 21 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 0.022746 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021030 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017351 0.00000