HEADER RNA 22-AUG-03 1Q93 TITLE CRYSTAL STRUCTURE OF A MUTANT OF THE SARCIN/RICIN DOMAIN FROM RAT 28S TITLE 2 RRNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: SARCIN/RICIN 28S RRNA; COMPND 3 CHAIN: A, B, C; COMPND 4 FRAGMENT: SARCIN/RICIN DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE 28S RIBOSOMAL RNA WAS CHEMICALLY SYNTHESIZED. THE SOURCE 4 SEQUENCE OF THE 28S RIBOSOMAL RNA IS NATURALLY FOUND IN RATTUS SOURCE 5 RATTUS (RAT). KEYWDS SARCIN/RICIN DOMAIN, RIBONUCLEIC ACID, RNA RECOGNITION, RIBOSOMES, KEYWDS 2 ELONGATION FACTORS, MUTANT, STEM-LOOP, RNA EXPDTA X-RAY DIFFRACTION AUTHOR C.C.CORRELL,J.BENEKEN,M.J.PLANTINGA,M.LUBBERS,Y.L.CHAN REVDAT 4 16-AUG-23 1Q93 1 REMARK REVDAT 3 27-OCT-21 1Q93 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1Q93 1 VERSN REVDAT 1 25-NOV-03 1Q93 0 JRNL AUTH C.C.CORRELL,J.BENEKEN,M.J.PLANTINGA,M.LUBBERS,Y.L.CHAN JRNL TITL THE COMMON AND DISTINCTIVE FEATURES OF THE BULGED-G MOTIF JRNL TITL 2 BASED ON A 1.04 A RESOLUTION RNA STRUCTURE JRNL REF NUCLEIC ACIDS RES. V. 31 6806 2003 JRNL REFN ISSN 0305-1048 JRNL PMID 14627814 JRNL DOI 10.1093/NAR/GKG908 REMARK 2 REMARK 2 RESOLUTION. 2.25 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 15161 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) : 0.225 REMARK 3 FREE R VALUE : 0.266 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.700 REMARK 3 FREE R VALUE TEST SET COUNT : 1511 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL 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 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF 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 : 1734 REMARK 3 HETEROGEN ATOMS : 41 REMARK 3 SOLVENT ATOMS : 99 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 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.121 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.646 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.377 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 1.845 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : DNA-RNA-ALLATOM.PARAM REMARK 3 PARAMETER FILE 2 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Q93 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-AUG-03. REMARK 100 THE DEPOSITION ID IS D_1000020070. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-MAR-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-C 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 : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15569 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 9.500 REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 41.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.29 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.47300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 483D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, K-MOPS, MAGNESIUM REMARK 280 CHLORIDE, SPERMINE, COBALT CHLORIDE, PH 7.0, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 2 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,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z+1/2 REMARK 290 7555 Y,X,-Z+1/4 REMARK 290 8555 -Y,-X,-Z+3/4 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 168.08350 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 252.12525 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 84.04175 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 168.08350 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 84.04175 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 252.12525 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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: MONOMERIC 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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 121 LIES ON A SPECIAL POSITION. 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 NA C 100 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G B 5 OP1 REMARK 620 2 A C 17 N6 98.9 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA C 100 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C 104 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C 105 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C 106 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 107 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 108 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1MSY RELATED DB: PDB REMARK 900 GUAA TETRALOOP MUTANT OF SARCIN/RICIN DOMAIN FROM E. COLI 23 S RRNA REMARK 900 RELATED ID: 483D RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE SARCIN/RICIN DOMAIN FROM E. COLI 23 S RRNA REMARK 900 RELATED ID: 1JBS RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF RIBOTOXIN RESTRICTOCIN AND A 29-MER SRD RNA REMARK 900 ANALOG REMARK 900 RELATED ID: 1JBR RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE RIBOTOXIN RESTRICTOCIN AND A 31- MER SRD REMARK 900 RNA INHIBITOR REMARK 900 RELATED ID: 480D RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE SARCIN/RICIN DOMAIN FROM E. COLI 23 S RRNA REMARK 900 RELATED ID: 1Q96 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A MUTANT OF THE SARCIN/RICIN DOMAIN FROM RAT REMARK 900 28S RRNA REMARK 900 RELATED ID: 1Q9A RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE SARCIN/RICIN DOMAIN FROM E.COLI 23S RRNA REMARK 900 AT 1.04 RESOLUTION DBREF 1Q93 A 2 28 GB 3891767 430D_A 2 29 DBREF 1Q93 B 2 28 GB 3891767 430D_A 2 29 DBREF 1Q93 C 2 28 GB 3891767 430D_A 2 29 SEQADV 1Q93 G A 13 GB 3891767 C 13 ENGINEERED MUTATION SEQADV 1Q93 C A 18 GB 3891767 G 18 ENGINEERED MUTATION SEQADV 1Q93 A GB 3891767 N 27 DELETION SEQADV 1Q93 G B 13 GB 3891767 C 13 ENGINEERED MUTATION SEQADV 1Q93 C B 18 GB 3891767 G 18 ENGINEERED MUTATION SEQADV 1Q93 B GB 3891767 N 27 DELETION SEQADV 1Q93 G C 13 GB 3891767 C 13 ENGINEERED MUTATION SEQADV 1Q93 C C 18 GB 3891767 G 18 ENGINEERED MUTATION SEQADV 1Q93 C GB 3891767 N 27 DELETION SEQRES 1 A 27 G G U G C U C A G U A G G SEQRES 2 A 27 A G A C G A A C C G C A C SEQRES 3 A 27 C SEQRES 1 B 27 G G U G C U C A G U A G G SEQRES 2 B 27 A G A C G A A C C G C A C SEQRES 3 B 27 C SEQRES 1 C 27 G G U G C U C A G U A G G SEQRES 2 C 27 A G A C G A A C C G C A C SEQRES 3 C 27 C HET SO4 A 101 5 HET SO4 A 102 5 HET SO4 A 103 5 HET SO4 A 108 5 HET SO4 B 107 5 HET NA C 100 1 HET SO4 C 104 5 HET SO4 C 105 5 HET SO4 C 106 5 HETNAM SO4 SULFATE ION HETNAM NA SODIUM ION FORMUL 4 SO4 8(O4 S 2-) FORMUL 9 NA NA 1+ FORMUL 13 HOH *99(H2 O) LINK OP1 G B 5 NA NA C 100 1555 1555 2.41 LINK N6 A C 17 NA NA C 100 1555 1555 1.94 SITE 1 AC1 6 U B 4 G B 5 G C 13 G C 14 SITE 2 AC1 6 A C 17 C C 18 SITE 1 AC2 6 G A 16 A A 17 HOH A 125 HOH A 134 SITE 2 AC2 6 G C 2 G C 3 SITE 1 AC3 5 G A 2 C A 27 C A 28 HOH A 126 SITE 2 AC3 5 HOH A 129 SITE 1 AC4 4 G A 24 C A 25 HOH A 115 HOH A 130 SITE 1 AC5 3 G A 16 A C 15 G C 16 SITE 1 AC6 3 G C 2 C C 27 C C 28 SITE 1 AC7 4 G C 24 C C 25 A C 26 HOH C 142 SITE 1 AC8 5 G B 2 C B 27 C B 28 HOH B 121 SITE 2 AC8 5 HOH B 132 SITE 1 AC9 2 G A 10 HOH A 121 CRYST1 42.143 42.143 336.167 90.00 90.00 90.00 P 43 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 0.023729 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023729 0.000000 0.00000 SCALE3 0.000000 0.000000 0.002975 0.00000