HEADER RNA 27-DEC-08 3FO4 TITLE CRYSTAL STRUCTURE OF GUANINE RIBOSWITCH C74U MUTANT BOUND TO 6- TITLE 2 CHLOROGUANINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANINE RIBOSWITCH C74U MUTANT; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE WAS ENGINEERED BASED ON THE GUANINE SOURCE 4 RIBOSWITCH FOUND IN THE 5'UTR OF THE XPT-PBUX GENE IN BACILLUS SOURCE 5 SUBTILIS KEYWDS MRNA, RIBOSWITCH, 6-CHLOROGUANINE, ADENINE, RNA-LIGAND COMPLEX, KEYWDS 2 DOUBLE HELIX, THREE-WAY JUNCTION, RNA EXPDTA X-RAY DIFFRACTION AUTHOR S.D.GILBERT,R.T.BATEY REVDAT 3 06-SEP-23 3FO4 1 REMARK REVDAT 2 20-OCT-21 3FO4 1 REMARK SEQADV REVDAT 1 23-JUN-09 3FO4 0 JRNL AUTH S.D.GILBERT,F.E.REYES,A.L.EDWARDS,R.T.BATEY JRNL TITL ADAPTIVE LIGAND BINDING BY THE PURINE RIBOSWITCH IN THE JRNL TITL 2 RECOGNITION OF GUANINE AND ADENINE ANALOGS. JRNL REF STRUCTURE V. 17 857 2009 JRNL REFN ISSN 0969-2126 JRNL PMID 19523903 JRNL DOI 10.1016/J.STR.2009.04.009 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1233811.580 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.3 REMARK 3 NUMBER OF REFLECTIONS : 14584 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) : 0.226 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1065 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2156 REMARK 3 BIN R VALUE (WORKING SET) : 0.3150 REMARK 3 BIN FREE R VALUE : 0.3560 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 163 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.028 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 1336 REMARK 3 HETEROGEN ATOMS : 99 REMARK 3 SOLVENT ATOMS : 203 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.95000 REMARK 3 B22 (A**2) : -2.06000 REMARK 3 B33 (A**2) : -0.89000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.44000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.22 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.25 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 0.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.440 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 : 0.40 REMARK 3 BSOL : 44.92 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP_REVISE.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : COHEX_REP.PARAM REMARK 3 PARAMETER FILE 5 : ACETATE.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA_REP_REVISE.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : COHEX_REP.TOP REMARK 3 TOPOLOGY FILE 5 : ACETATE.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3FO4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-DEC-08. REMARK 100 THE DEPOSITION ID IS D_1000050830. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-MAY-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NICKEL FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15304 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.8 REMARK 200 DATA REDUNDANCY : 3.560 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04800 REMARK 200 FOR THE DATA SET : 15.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 69.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.31 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.20100 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: PDB ENTRY 1U8D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 2000, 480 MM AMMONIUM ACETATE, REMARK 280 12 MM COBALT HEXAMMINE, 10 MM K+HEPES, PH 7.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 66.30000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 17.58500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 66.30000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 17.58500 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 300 REMARK: THE ASYMMETRIC UNIT CONTAINS ONE BIOLOGICAL UNIT 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 G A 15 REMARK 465 G A 16 REMARK 465 C A 80 REMARK 465 C A 81 REMARK 465 A A 82 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 A A 17 P OP1 OP2 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 38 0.06 SIDE CHAIN 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 6GU A 91 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 96 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 104 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 105 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 106 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 107 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 108 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 109 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 110 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 111 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 112 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1U8D RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GUANINE RIBOSWITCH BOUND TO HYPOXANTHINE REMARK 900 RELATED ID: 3FO6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GUANINE RIBOSWITCH BOUND TO 6-O-METHYLGUANINE DBREF 3FO4 A 15 82 PDB 3FO4 3FO4 15 82 SEQADV 3FO4 U A 74 PDB 3FO4 C 74 ENGINEERED MUTATION SEQRES 1 A 68 G G A C A U A U A A U C G SEQRES 2 A 68 C G U G G A U A U G G C A SEQRES 3 A 68 C G C A A G U U U C U A C SEQRES 4 A 68 C G G G C A C C G U A A A SEQRES 5 A 68 U G U C C G A U U A U G U SEQRES 6 A 68 C C A HET 6GU A 91 11 HET ACT A 96 4 HET NCO A 101 7 HET NCO A 102 7 HET NCO A 103 7 HET NCO A 104 7 HET NCO A 105 7 HET NCO A 106 7 HET NCO A 107 7 HET NCO A 108 7 HET NCO A 109 7 HET NCO A 110 7 HET NCO A 111 7 HET NCO A 112 7 HETNAM 6GU 6-CHLOROGUANINE HETNAM ACT ACETATE ION HETNAM NCO COBALT HEXAMMINE(III) HETSYN 6GU 6-CHLORO-9H-PURIN-2-AMINE FORMUL 2 6GU C5 H4 CL N5 FORMUL 3 ACT C2 H3 O2 1- FORMUL 4 NCO 12(CO H18 N6 3+) FORMUL 16 HOH *203(H2 O) SITE 1 AC1 9 A A 21 U A 22 U A 47 U A 51 SITE 2 AC1 9 A A 52 A A 73 U A 74 U A 75 SITE 3 AC1 9 HOH A 393 SITE 1 AC2 7 G A 32 A A 33 G A 38 C A 39 SITE 2 AC2 7 A A 66 U A 67 HOH A 343 SITE 1 AC3 10 G A 29 U A 30 A A 66 U A 67 SITE 2 AC3 10 HOH A 339 HOH A 342 HOH A 348 HOH A 366 SITE 3 AC3 10 HOH A 405 HOH A 439 SITE 1 AC4 8 G A 38 C A 39 G A 56 G A 57 SITE 2 AC4 8 C A 58 HOH A 450 HOH A 456 HOH A 462 SITE 1 AC5 9 C A 39 G A 55 G A 56 G A 57 SITE 2 AC5 9 G A 68 U A 69 HOH A 316 HOH A 466 SITE 3 AC5 9 HOH A 493 SITE 1 AC6 10 U A 30 G A 31 G A 32 A A 65 SITE 2 AC6 10 A A 66 NCO A 106 HOH A 307 HOH A 308 SITE 3 AC6 10 HOH A 343 HOH A 352 SITE 1 AC7 7 G A 37 G A 38 HOH A 338 HOH A 349 SITE 2 AC7 7 HOH A 383 HOH A 419 HOH A 467 SITE 1 AC8 8 C A 26 G A 29 U A 30 A A 66 SITE 2 AC8 8 NCO A 104 HOH A 318 HOH A 365 HOH A 372 SITE 1 AC9 4 C A 41 G A 42 C A 53 C A 54 SITE 1 BC1 6 G A 46 U A 47 C A 50 U A 51 SITE 2 BC1 6 HOH A 435 HOH A 470 SITE 1 BC2 3 A A 24 C A 71 HOH A 441 SITE 1 BC3 2 A A 21 U A 22 SITE 1 BC4 3 G A 32 A A 33 HOH A 351 SITE 1 BC5 6 U A 36 G A 42 C A 43 G A 72 SITE 2 BC5 6 A A 73 HOH A 438 CRYST1 132.600 35.170 41.790 90.00 90.38 90.00 C 1 2 1 4 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 0.007541 0.000000 0.000050 0.00000 SCALE2 0.000000 0.028433 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023930 0.00000