HEADER RNA 11-AUG-23 8KED TITLE CRYSTAL STRUCTURE OF 2'-DG-III RIBOSWITCH WITH GUANINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (72-MER); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: BACILLUS SP.; SOURCE 4 ORGANISM_TAXID: 1409 KEYWDS RIBOSWITCH, 2'-DEOXYGUANOSINE, 2'-DG, GUANINE, APTAMER, RNA EXPDTA X-RAY DIFFRACTION AUTHOR W.LIAO,L.HUANG REVDAT 2 10-SEP-25 8KED 1 JRNL REVDAT 1 19-FEB-25 8KED 0 JRNL AUTH K.CHEN,W.LIAO,J.WANG,Y.REN,Z.LU,X.PENG,J.WANG,L.HUANG JRNL TITL CRYSTAL STRUCTURES REVEAL THE DISTINCT FEATURES OF THE JRNL TITL 2 2'-DG-III RIBOSWITCH IN THE PURINE RIBOSWITCH FAMILY. JRNL REF NUCLEIC ACIDS RES. V. 53 2025 JRNL REFN ESSN 1362-4962 JRNL PMID 40694847 JRNL DOI 10.1093/NAR/GKAF702 REMARK 2 REMARK 2 RESOLUTION. 2.11 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.11 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.30 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 12345 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.214 REMARK 3 R VALUE (WORKING SET) : 0.212 REMARK 3 FREE R VALUE : 0.253 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.470 REMARK 3 FREE R VALUE TEST SET COUNT : 552 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 24.3000 - 3.3400 0.98 3105 160 0.1556 0.2028 REMARK 3 2 3.3400 - 2.6500 0.97 2988 145 0.2849 0.3271 REMARK 3 3 2.6500 - 2.3200 0.99 3061 132 0.4388 0.4804 REMARK 3 4 2.3200 - 2.1100 0.86 2639 115 0.5613 0.6029 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.338 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 49.658 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 69.84 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 105.8 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.003 1724 REMARK 3 ANGLE : 0.749 2680 REMARK 3 CHIRALITY : 0.033 359 REMARK 3 PLANARITY : 0.005 73 REMARK 3 DIHEDRAL : 13.784 863 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 5 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 2 THROUGH 21 ) REMARK 3 ORIGIN FOR THE GROUP (A): -31.1480 -4.3721 22.4853 REMARK 3 T TENSOR REMARK 3 T11: 0.7464 T22: 1.0105 REMARK 3 T33: 0.8126 T12: 0.0572 REMARK 3 T13: -0.0007 T23: 0.0397 REMARK 3 L TENSOR REMARK 3 L11: 1.3100 L22: 0.6683 REMARK 3 L33: 1.2310 L12: -0.0604 REMARK 3 L13: 0.7680 L23: -1.2016 REMARK 3 S TENSOR REMARK 3 S11: 0.1656 S12: -0.4727 S13: 0.0375 REMARK 3 S21: 0.0572 S22: 0.3256 S23: -0.0767 REMARK 3 S31: -0.2831 S32: -0.6645 S33: -0.0030 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 22 THROUGH 31 ) REMARK 3 ORIGIN FOR THE GROUP (A): -31.6635 -9.4884 40.0365 REMARK 3 T TENSOR REMARK 3 T11: 0.8951 T22: 1.8550 REMARK 3 T33: 0.9468 T12: 0.0522 REMARK 3 T13: -0.0284 T23: 0.2066 REMARK 3 L TENSOR REMARK 3 L11: 0.0764 L22: 0.2093 REMARK 3 L33: 0.0747 L12: -0.0156 REMARK 3 L13: -0.0134 L23: 0.0882 REMARK 3 S TENSOR REMARK 3 S11: -0.1481 S12: -0.2750 S13: 0.1203 REMARK 3 S21: 0.1768 S22: 0.3552 S23: -0.0084 REMARK 3 S31: -0.2607 S32: 0.1552 S33: -0.0010 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 32 THROUGH 36 ) REMARK 3 ORIGIN FOR THE GROUP (A): -41.5678 2.5093 19.0451 REMARK 3 T TENSOR REMARK 3 T11: 0.9677 T22: 1.1801 REMARK 3 T33: 0.7818 T12: 0.3256 REMARK 3 T13: 0.1273 T23: 0.1195 REMARK 3 L TENSOR REMARK 3 L11: 0.1586 L22: 0.1337 REMARK 3 L33: 0.0929 L12: 0.0775 REMARK 3 L13: 0.1015 L23: 0.0068 REMARK 3 S TENSOR REMARK 3 S11: 0.1930 S12: -0.8468 S13: 0.0647 REMARK 3 S21: -0.6225 S22: -0.0016 S23: -0.3785 REMARK 3 S31: 0.2932 S32: -0.0823 S33: 0.0042 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 37 THROUGH 56 ) REMARK 3 ORIGIN FOR THE GROUP (A): -26.3689 -5.4239 35.3405 REMARK 3 T TENSOR REMARK 3 T11: 0.7586 T22: 1.0828 REMARK 3 T33: 0.8216 T12: 0.2377 REMARK 3 T13: -0.1116 T23: -0.0018 REMARK 3 L TENSOR REMARK 3 L11: 0.2343 L22: 1.0310 REMARK 3 L33: 0.8985 L12: -0.1585 REMARK 3 L13: 0.3786 L23: -0.5776 REMARK 3 S TENSOR REMARK 3 S11: -0.0072 S12: -1.6138 S13: -0.4778 REMARK 3 S21: 0.3234 S22: 0.5048 S23: -0.1422 REMARK 3 S31: 0.4137 S32: -1.6789 S33: 0.0495 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 57 THROUGH 72 ) REMARK 3 ORIGIN FOR THE GROUP (A): -23.6493 -8.0440 8.4145 REMARK 3 T TENSOR REMARK 3 T11: 0.8168 T22: 0.7294 REMARK 3 T33: 0.8661 T12: -0.0043 REMARK 3 T13: 0.0232 T23: -0.0553 REMARK 3 L TENSOR REMARK 3 L11: 0.1161 L22: 0.4469 REMARK 3 L33: 0.2022 L12: -0.3669 REMARK 3 L13: 0.1952 L23: -0.2693 REMARK 3 S TENSOR REMARK 3 S11: 0.2650 S12: 0.3479 S13: 0.1952 REMARK 3 S21: 0.0810 S22: 0.1382 S23: -0.3030 REMARK 3 S31: -0.0369 S32: -0.3502 S33: -0.0004 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8KED COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 22-AUG-23. REMARK 100 THE DEPOSITION ID IS D_1300040181. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-JAN-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL10U2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AUTOPROC REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12561 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 63.640 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 1.88300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.08 M SODIUM CHLORIDE, 0.01 M REMARK 280 POTASSIUM CHLORIDE, 0.01 M MAGNESIUM CHLORIDE HEXAHYDRATE, 0.04 REMARK 280 M SODIUM CACODYLATE TRIHYDRATE PH 6.4, 30% V/V (+/-)-2-METHYL-2, REMARK 280 4-PENTANEDIOL, 0.012 M SPERMINE TETRAHYDROCHLORIDE, 0.1M REMARK 280 GLYCINE., VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 69.33700 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 13.09100 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 69.33700 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 13.09100 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 490 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12190 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL 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 1 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 A 107 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G A 2 O6 REMARK 620 2 U A 70 O4 70.1 REMARK 620 3 GTP A 101 O6 64.6 85.6 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 103 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U A 8 O4 REMARK 620 2 U A 63 O4 110.5 REMARK 620 3 G A 64 O6 83.2 81.5 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 106 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 9 OP2 REMARK 620 2 A A 11 OP1 90.5 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 105 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U A 10 O3' REMARK 620 2 U A 10 O2' 61.3 REMARK 620 3 GUN A 102 O6 138.7 79.9 REMARK 620 N 1 2 DBREF 8KED A 1 72 PDB 8KED 8KED 1 72 SEQRES 1 A 72 G G A U U C G U A U A U C SEQRES 2 A 72 C U U A A U G A U A U G G SEQRES 3 A 72 U U U A A G G G C A A U A SEQRES 4 A 72 C A U A G A G A C C A C A SEQRES 5 A 72 A A U U U C U U A C U G C SEQRES 6 A 72 G A A U U C U HET GTP A 101 32 HET GUN A 102 11 HET MG A 103 1 HET MG A 104 1 HET MG A 105 1 HET MG A 106 1 HET NA A 107 1 HETNAM GTP GUANOSINE-5'-TRIPHOSPHATE HETNAM GUN GUANINE HETNAM MG MAGNESIUM ION HETNAM NA SODIUM ION FORMUL 2 GTP C10 H16 N5 O14 P3 FORMUL 3 GUN C5 H5 N5 O FORMUL 4 MG 4(MG 2+) FORMUL 8 NA NA 1+ LINK P G A 2 O3' GTP A 101 1555 1555 1.56 LINK O6 G A 2 NA NA A 107 1555 1555 2.88 LINK O4 U A 8 MG MG A 103 1555 1555 2.71 LINK OP2 A A 9 MG MG A 106 1555 1555 2.16 LINK O3' U A 10 MG MG A 105 1555 1555 2.75 LINK O2' U A 10 MG MG A 105 1555 1555 2.57 LINK OP1 A A 11 MG MG A 106 1555 1555 2.76 LINK O4 U A 63 MG MG A 103 1555 1555 2.85 LINK O6 G A 64 MG MG A 103 1555 1555 2.50 LINK O4 U A 70 NA NA A 107 1555 1555 3.00 LINK O6 GTP A 101 NA NA A 107 1555 1555 3.14 LINK O6 GUN A 102 MG MG A 105 1555 1555 2.80 CRYST1 138.674 26.182 65.524 90.00 113.38 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 0.007211 0.000000 0.003118 0.00000 SCALE2 0.000000 0.038194 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016627 0.00000 CONECT 1 1521 CONECT 18 1551 CONECT 146 1547 CONECT 151 1550 CONECT 179 1549 CONECT 181 1549 CONECT 192 1550 CONECT 1310 1547 CONECT 1330 1547 CONECT 1460 1551 CONECT 1504 1505 1506 1507 1508 CONECT 1505 1504 CONECT 1506 1504 CONECT 1507 1504 CONECT 1508 1504 1509 CONECT 1509 1508 1510 1511 1512 CONECT 1510 1509 CONECT 1511 1509 CONECT 1512 1509 1513 CONECT 1513 1512 1514 1515 1516 CONECT 1514 1513 CONECT 1515 1513 CONECT 1516 1513 1517 CONECT 1517 1516 1518 CONECT 1518 1517 1519 1520 CONECT 1519 1518 1524 CONECT 1520 1518 1521 1522 CONECT 1521 1 1520 CONECT 1522 1520 1523 1524 CONECT 1523 1522 CONECT 1524 1519 1522 1525 CONECT 1525 1524 1526 1535 CONECT 1526 1525 1527 CONECT 1527 1526 1528 CONECT 1528 1527 1529 1535 CONECT 1529 1528 1530 1531 CONECT 1530 1529 1551 CONECT 1531 1529 1532 CONECT 1532 1531 1533 1534 CONECT 1533 1532 CONECT 1534 1532 1535 CONECT 1535 1525 1528 1534 CONECT 1536 1537 1546 CONECT 1537 1536 1538 CONECT 1538 1537 1539 CONECT 1539 1538 1540 1546 CONECT 1540 1539 1541 1542 CONECT 1541 1540 1549 CONECT 1542 1540 1543 CONECT 1543 1542 1544 1545 CONECT 1544 1543 CONECT 1545 1543 1546 CONECT 1546 1536 1539 1545 CONECT 1547 146 1310 1330 CONECT 1549 179 181 1541 CONECT 1550 151 192 CONECT 1551 18 1460 1530 MASTER 316 0 7 0 0 0 0 6 1550 1 57 6 END