HEADER RIBONUCLEIC ACID 31-AUG-06 2I7Z TITLE GAAA TETRALOOP RECEPTOR COMPLEX WITH ASSOCIATED MANGANESE IONS. CAVEAT 2I7Z CHIRALITY ERROR AT THE C4' CENTER OF A B 80 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 43-MER; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: GAAA TETRALOOP RECEPTOR RNA SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: GAAA TETRALOOP AND 11-NT RECEPTOR SEQUENCES ARE FOUND SOURCE 4 IN GROUP I AND GROUP II INTRONS KEYWDS GAAA TETRALOOP, 11-NUCLEOTIDE RECEPTOR, RNA TERTIARY STRUCTURE, KEYWDS 2 RIBONUCLEIC ACID EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR J.H.DAVIS,S.E.BUTCHER REVDAT 3 28-DEC-11 2I7Z 1 CAVEAT VERSN REVDAT 2 24-FEB-09 2I7Z 1 VERSN REVDAT 1 03-APR-07 2I7Z 0 JRNL AUTH J.H.DAVIS,T.R.FOSTER,M.TONELLI,S.E.BUTCHER JRNL TITL ROLE OF METAL IONS IN THE TETRALOOP-RECEPTOR COMPLEX AS JRNL TITL 2 ANALYZED BY NMR. JRNL REF RNA V. 13 76 2007 JRNL REFN ISSN 1355-8382 JRNL PMID 17119098 JRNL DOI 10.1261/RNA.268307 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0, X-PLOR 2.11 REMARK 3 AUTHORS : BRUNGER A. T. ETAL (CNS), (X-PLOR) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2I7Z COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-SEP-06. REMARK 100 THE RCSB ID CODE IS RCSB039251. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303; 283 REMARK 210 PH : 7.0; 7.0 REMARK 210 IONIC STRENGTH : NULL; NULL REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 1 MM GAAA TETRALOOP RECEPTOR REMARK 210 RNA, 10 UM MANGANESE, 12 MM MGCL2 REMARK 210 50 MM NACL; 100% D2O; 1 MM GAAA REMARK 210 TETRALOOP RECEPTOR RNA, 50 UM REMARK 210 MANGANESE, 12 MM MGCL2 50 MM REMARK 210 NACL; 100% D2O; 1 MM GAAA REMARK 210 TETRALOOP RECEPTOR RNA, 100 UM REMARK 210 MANGANESE, 12 MM MGCL2 50 MM REMARK 210 NACL; 100% D2O; 1 MM GAAA REMARK 210 TETRALOOP RECEPTOR RNA, 500 UM REMARK 210 MANGANESE, 12 MM MGCL2 50 MM REMARK 210 NACL; 100% D2O; 1 MM GAAA REMARK 210 TETRALOOP RECEPTOR RNA, 100 UM REMARK 210 MANGANESE, 12 MM MGCL2 50 MM REMARK 210 NACL; 90% H2O, 10% D2O; 1 MM GAAA REMARK 210 TETRALOOP RECEPTOR RNA, 500 UM REMARK 210 MANGANESE, 12 MM MGCL2 50 MM NACL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; H 1D REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 750 MHZ REMARK 210 SPECTROMETER MODEL : DMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.6, SPARKY 3.111 REMARK 210 METHOD USED : STRUCTURES WERE REFINED BY REMARK 210 COOLING FROM 3000 K TO 100 K IN REMARK 210 58 CYCLES OF RESTRAINED CARTESIAN REMARK 210 COORDINATE SPACE CORRESPONDING TO REMARK 210 A TOTAL OF 28 PS. THE FORCE REMARK 210 CONSTANT FOR RDCS WAS INCREASED REMARK 210 FROM 0.001 TO 0.2 KCAL MOL-1 HZ- REMARK 210 2. FIVE HUNDRED STEPS OF ENERGY REMARK 210 MINIMIZATION USING THE POWELL REMARK 210 ALGORITHM FOLLOWED SIMULATED REMARK 210 ANNEALING. REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 H61 A A 22 O2' G B 51 1.45 REMARK 500 HO2' U B 48 OP1 A B 49 1.46 REMARK 500 O2' G B 61 H5' G B 62 1.47 REMARK 500 O2' U B 68 H5' U B 69 1.54 REMARK 500 O2' C B 85 H5' U B 86 1.56 REMARK 500 O2' G A 18 H5' G A 19 1.57 REMARK 500 O2' U B 69 H5' G B 70 1.59 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 1 MN A 101 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 106 O REMARK 620 2 HOH A 109 O 91.3 REMARK 620 3 HOH A 110 O 86.8 88.2 REMARK 620 4 HOH A 107 O 176.8 90.8 90.7 REMARK 620 5 HOH A 108 O 87.2 168.5 80.4 90.3 REMARK 620 6 HOH A 111 O 90.3 101.3 170.1 91.8 90.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MN A 102 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 112 O REMARK 620 2 HOH A 113 O 176.8 REMARK 620 3 HOH A 114 O 87.2 90.3 REMARK 620 4 HOH A 115 O 91.3 90.8 168.5 REMARK 620 5 HOH A 116 O 86.8 90.8 80.3 88.2 REMARK 620 6 HOH A 117 O 90.3 91.8 90.1 101.3 170.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MN A 103 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 118 O REMARK 620 2 HOH A 120 O 87.1 REMARK 620 3 HOH A 121 O 91.3 168.6 REMARK 620 4 HOH A 122 O 86.8 80.4 88.2 REMARK 620 5 HOH A 123 O 90.3 90.0 101.3 170.1 REMARK 620 6 HOH A 119 O 176.7 90.3 90.8 90.7 91.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MN A 104 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 124 O REMARK 620 2 HOH A 126 O 87.2 REMARK 620 3 HOH A 127 O 91.3 168.5 REMARK 620 4 HOH A 128 O 86.8 80.3 88.2 REMARK 620 5 HOH A 129 O 90.3 90.1 101.3 170.1 REMARK 620 6 HOH A 125 O 176.7 90.3 90.8 90.7 91.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MN A 105 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 130 O REMARK 620 2 HOH A 131 O 176.7 REMARK 620 3 HOH A 132 O 87.2 90.2 REMARK 620 4 HOH A 133 O 91.4 90.7 168.6 REMARK 620 5 HOH A 134 O 86.8 90.7 80.3 88.3 REMARK 620 6 HOH A 135 O 90.3 91.8 90.1 101.3 170.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MN B 106 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 111 O REMARK 620 2 HOH B 112 O 176.8 REMARK 620 3 HOH B 113 O 87.1 90.3 REMARK 620 4 HOH B 114 O 91.3 90.8 168.5 REMARK 620 5 HOH B 115 O 86.8 90.8 80.3 88.2 REMARK 620 6 HOH B 116 O 90.3 91.8 90.1 101.3 170.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MN B 107 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 117 O REMARK 620 2 HOH B 118 O 176.7 REMARK 620 3 HOH B 119 O 87.2 90.3 REMARK 620 4 HOH B 120 O 91.3 90.8 168.5 REMARK 620 5 HOH B 121 O 86.9 90.7 80.3 88.2 REMARK 620 6 HOH B 122 O 90.3 91.7 90.0 101.3 170.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MN B 108 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 126 O REMARK 620 2 HOH B 123 O 91.3 REMARK 620 3 HOH B 124 O 90.8 176.8 REMARK 620 4 HOH B 125 O 168.5 87.1 90.3 REMARK 620 5 HOH B 127 O 88.2 86.8 90.8 80.3 REMARK 620 6 HOH B 128 O 101.3 90.3 91.7 90.1 170.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MN B 109 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 133 O REMARK 620 2 HOH B 129 O 86.9 REMARK 620 3 HOH B 130 O 90.8 176.8 REMARK 620 4 HOH B 131 O 80.4 87.1 90.3 REMARK 620 5 HOH B 132 O 88.3 91.3 90.8 168.6 REMARK 620 6 HOH B 134 O 170.1 90.3 91.7 90.1 101.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MN B 110 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 135 O REMARK 620 2 HOH B 136 O 176.8 REMARK 620 3 HOH B 137 O 87.1 90.4 REMARK 620 4 HOH B 138 O 91.3 90.7 168.5 REMARK 620 5 HOH B 139 O 86.8 90.7 80.3 88.2 REMARK 620 6 HOH B 140 O 90.3 91.8 90.1 101.3 170.1 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 MN A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 104 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 105 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 106 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 107 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 108 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 109 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 110 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ADT RELATED DB: PDB REMARK 900 THE SAME RNA CONSTRUCT WITHOUT ASSOCIATED IONS REMARK 900 RELATED ID: 2I7E RELATED DB: PDB REMARK 900 THE SAME RNA CONSTRUCT WITH ASSOCIATED COBALT HEXAMMINE REMARK 900 IONS. DBREF 2I7Z A 1 43 PDB 2I7Z 2I7Z 1 43 DBREF 2I7Z B 44 86 PDB 2I7Z 2I7Z 44 86 SEQRES 1 A 43 G G G A U A U G G A A G A SEQRES 2 A 43 A C C G G G G A A A C U U SEQRES 3 A 43 G G U U C U U C C U A A G SEQRES 4 A 43 U C C U SEQRES 1 B 43 G G G A U A U G G A A G A SEQRES 2 B 43 A C C G G G G A A A C U U SEQRES 3 B 43 G G U U C U U C C U A A G SEQRES 4 B 43 U C C U HET MN A 101 1 HET MN A 102 1 HET MN A 103 1 HET MN A 104 1 HET MN A 105 1 HET MN B 106 1 HET MN B 107 1 HET MN B 108 1 HET MN B 109 1 HET MN B 110 1 HETNAM MN MANGANESE (II) ION FORMUL 3 MN 10(MN 2+) FORMUL 13 HOH *60(H2 O) LINK MN MN A 101 O HOH A 106 1555 1555 2.10 LINK MN MN A 101 O HOH A 109 1555 1555 1.96 LINK MN MN A 101 O HOH A 110 1555 1555 2.09 LINK MN MN A 101 O HOH A 107 1555 1555 2.02 LINK MN MN A 101 O HOH A 108 1555 1555 2.04 LINK MN MN A 101 O HOH A 111 1555 1555 1.92 LINK MN MN A 102 O HOH A 112 1555 1555 2.10 LINK MN MN A 102 O HOH A 113 1555 1555 2.02 LINK MN MN A 102 O HOH A 114 1555 1555 2.04 LINK MN MN A 102 O HOH A 115 1555 1555 1.96 LINK MN MN A 102 O HOH A 116 1555 1555 2.09 LINK MN MN A 102 O HOH A 117 1555 1555 1.92 LINK MN MN A 103 O HOH A 118 1555 1555 2.10 LINK MN MN A 103 O HOH A 120 1555 1555 2.04 LINK MN MN A 103 O HOH A 121 1555 1555 1.95 LINK MN MN A 103 O HOH A 122 1555 1555 2.09 LINK MN MN A 103 O HOH A 123 1555 1555 1.92 LINK MN MN A 103 O HOH A 119 1555 1555 2.02 LINK MN MN A 104 O HOH A 124 1555 1555 2.10 LINK MN MN A 104 O HOH A 126 1555 1555 2.04 LINK MN MN A 104 O HOH A 127 1555 1555 1.96 LINK MN MN A 104 O HOH A 128 1555 1555 2.09 LINK MN MN A 104 O HOH A 129 1555 1555 1.92 LINK MN MN A 104 O HOH A 125 1555 1555 2.02 LINK MN MN A 105 O HOH A 130 1555 1555 2.10 LINK MN MN A 105 O HOH A 131 1555 1555 2.02 LINK MN MN A 105 O HOH A 132 1555 1555 2.04 LINK MN MN A 105 O HOH A 133 1555 1555 1.95 LINK MN MN A 105 O HOH A 134 1555 1555 2.09 LINK MN MN A 105 O HOH A 135 1555 1555 1.92 LINK MN MN B 106 O HOH B 111 1555 1555 2.10 LINK MN MN B 106 O HOH B 112 1555 1555 2.02 LINK MN MN B 106 O HOH B 113 1555 1555 2.04 LINK MN MN B 106 O HOH B 114 1555 1555 1.95 LINK MN MN B 106 O HOH B 115 1555 1555 2.09 LINK MN MN B 106 O HOH B 116 1555 1555 1.93 LINK MN MN B 107 O HOH B 117 1555 1555 2.10 LINK MN MN B 107 O HOH B 118 1555 1555 2.02 LINK MN MN B 107 O HOH B 119 1555 1555 2.04 LINK MN MN B 107 O HOH B 120 1555 1555 1.96 LINK MN MN B 107 O HOH B 121 1555 1555 2.09 LINK MN MN B 107 O HOH B 122 1555 1555 1.92 LINK MN MN B 108 O HOH B 126 1555 1555 1.95 LINK MN MN B 108 O HOH B 123 1555 1555 2.10 LINK MN MN B 108 O HOH B 124 1555 1555 2.02 LINK MN MN B 108 O HOH B 125 1555 1555 2.04 LINK MN MN B 108 O HOH B 127 1555 1555 2.09 LINK MN MN B 108 O HOH B 128 1555 1555 1.93 LINK MN MN B 109 O HOH B 133 1555 1555 2.09 LINK MN MN B 109 O HOH B 129 1555 1555 2.10 LINK MN MN B 109 O HOH B 130 1555 1555 2.02 LINK MN MN B 109 O HOH B 131 1555 1555 2.04 LINK MN MN B 109 O HOH B 132 1555 1555 1.95 LINK MN MN B 109 O HOH B 134 1555 1555 1.93 LINK MN MN B 110 O HOH B 135 1555 1555 2.10 LINK MN MN B 110 O HOH B 136 1555 1555 2.02 LINK MN MN B 110 O HOH B 137 1555 1555 2.04 LINK MN MN B 110 O HOH B 138 1555 1555 1.96 LINK MN MN B 110 O HOH B 139 1555 1555 2.09 LINK MN MN B 110 O HOH B 140 1555 1555 1.92 SITE 1 AC1 7 G A 2 HOH A 106 HOH A 107 HOH A 108 SITE 2 AC1 7 HOH A 109 HOH A 110 HOH A 111 SITE 1 AC2 6 HOH A 112 HOH A 113 HOH A 114 HOH A 115 SITE 2 AC2 6 HOH A 116 HOH A 117 SITE 1 AC3 6 HOH A 118 HOH A 119 HOH A 120 HOH A 121 SITE 2 AC3 6 HOH A 122 HOH A 123 SITE 1 AC4 6 HOH A 124 HOH A 125 HOH A 126 HOH A 127 SITE 2 AC4 6 HOH A 128 HOH A 129 SITE 1 AC5 7 G A 19 HOH A 130 HOH A 131 HOH A 132 SITE 2 AC5 7 HOH A 133 HOH A 134 HOH A 135 SITE 1 AC6 7 G B 45 HOH B 111 HOH B 112 HOH B 113 SITE 2 AC6 7 HOH B 114 HOH B 115 HOH B 116 SITE 1 AC7 6 HOH B 117 HOH B 118 HOH B 119 HOH B 120 SITE 2 AC7 6 HOH B 121 HOH B 122 SITE 1 AC8 6 HOH B 123 HOH B 124 HOH B 125 HOH B 126 SITE 2 AC8 6 HOH B 127 HOH B 128 SITE 1 AC9 6 HOH B 129 HOH B 130 HOH B 131 HOH B 132 SITE 2 AC9 6 HOH B 133 HOH B 134 SITE 1 BC1 8 G B 61 G B 62 HOH B 135 HOH B 136 SITE 2 BC1 8 HOH B 137 HOH B 138 HOH B 139 HOH B 140 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1