HEADER RNA 19-AUG-15 5DA6 TITLE ATOMIC RESOLUTION CRYSTAL STRUCTURE OF DOUBLE-STRANDED RNA 32 BASE TITLE 2 PAIRS LONG DETERMINED FROM RANDOM STARTING PHASES ANGLES IN THE TITLE 3 PRESENCE OF PSEUDO TRANSLATIONAL SYMMETRY USING THE DIRECT METHODS TITLE 4 PROGRAM SIR2014. COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (32-MER); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: AGAGAAGAAAGGGAAAUUUUUUUUUUUUUUUU SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: TRYPANOSOMA BRUCEI; SOURCE 4 ORGANISM_TAXID: 5691 KEYWDS RNA EDITING SUBSTRATE, DOUBLE-STRANDED RNA, DIRECT METHODS STRUCTURE KEYWDS 2 DETERMINATION, PSEUDO TRANSLATIONAL SYMMETRY, RNA EXPDTA X-RAY DIFFRACTION AUTHOR B.H.M.MOOERS REVDAT 5 06-MAR-24 5DA6 1 LINK REVDAT 4 25-DEC-19 5DA6 1 JRNL REVDAT 3 11-DEC-19 5DA6 1 REMARK REVDAT 2 27-SEP-17 5DA6 1 REMARK REVDAT 1 13-APR-16 5DA6 0 JRNL AUTH B.H.MOOERS JRNL TITL DIRECT-METHODS STRUCTURE DETERMINATION OF A TRYPANOSOME JRNL TITL 2 RNA-EDITING SUBSTRATE FRAGMENT WITH TRANSLATIONAL JRNL TITL 3 PSEUDOSYMMETRY. JRNL REF ACTA CRYSTALLOGR D STRUCT V. 72 477 2016 JRNL REF 2 BIOL JRNL REFN ISSN 2059-7983 JRNL PMID 27050127 JRNL DOI 10.1107/S2059798316001224 REMARK 2 REMARK 2 RESOLUTION. 1.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10_2142 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.79 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 44941 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.130 REMARK 3 R VALUE (WORKING SET) : 0.129 REMARK 3 FREE R VALUE : 0.157 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 2337 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 36.8120 - 2.6995 0.99 2697 149 0.1394 0.1801 REMARK 3 2 2.6995 - 2.1427 0.99 2552 145 0.1453 0.1795 REMARK 3 3 2.1427 - 1.8719 1.00 2559 145 0.1227 0.1447 REMARK 3 4 1.8719 - 1.7008 1.00 2534 132 0.1043 0.1258 REMARK 3 5 1.7008 - 1.5789 0.99 2474 156 0.1029 0.1251 REMARK 3 6 1.5789 - 1.4858 1.00 2485 154 0.1071 0.1296 REMARK 3 7 1.4858 - 1.4114 1.00 2533 131 0.1100 0.1433 REMARK 3 8 1.4114 - 1.3499 1.00 2488 129 0.1178 0.1329 REMARK 3 9 1.3499 - 1.2979 1.00 2507 114 0.1131 0.1496 REMARK 3 10 1.2979 - 1.2532 1.00 2514 140 0.1117 0.1147 REMARK 3 11 1.2532 - 1.2140 1.00 2452 143 0.1081 0.1485 REMARK 3 12 1.2140 - 1.1793 1.00 2464 152 0.1198 0.1437 REMARK 3 13 1.1793 - 1.1482 1.00 2483 125 0.1395 0.1460 REMARK 3 14 1.1482 - 1.1202 1.00 2476 130 0.1695 0.1722 REMARK 3 15 1.1202 - 1.0947 0.99 2445 122 0.1690 0.1957 REMARK 3 16 1.0947 - 1.0714 1.00 2504 117 0.1816 0.1911 REMARK 3 17 1.0714 - 1.0500 0.99 2437 153 0.2262 0.2432 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.090 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 14.660 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.60 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 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 : 0.005 853 REMARK 3 ANGLE : 1.038 1328 REMARK 3 CHIRALITY : 0.039 178 REMARK 3 PLANARITY : 0.018 36 REMARK 3 DIHEDRAL : 6.261 427 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 5DA6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-AUG-15. REMARK 100 THE DEPOSITION ID IS D_1000212913. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAY-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44942 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.050 REMARK 200 RESOLUTION RANGE LOW (A) : 36.790 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 8.10 REMARK 200 R MERGE FOR SHELL (I) : 0.36900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO PHASING REMARK 200 SOFTWARE USED: SIR2014 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: LITHIUM SULFATE, MAGNESIUM CHLORIDE, REMARK 280 CACODYLATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 21.44500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 12.38128 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 88.97867 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 21.44500 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 12.38128 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 88.97867 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 21.44500 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 12.38128 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 88.97867 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 21.44500 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 12.38128 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 88.97867 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 21.44500 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 12.38128 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 88.97867 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 21.44500 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 12.38128 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 88.97867 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 24.76255 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 177.95733 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 24.76255 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 177.95733 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 24.76255 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 177.95733 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 24.76255 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 177.95733 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 24.76255 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 177.95733 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 24.76255 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 177.95733 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2920 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -29.0 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 266.93600 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 K K A 101 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 256 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 289 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 300 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 323 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 325 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 344 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 352 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 362 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 366 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 368 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 409 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 412 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 418 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 O HOH A 242 O HOH A 383 2.03 REMARK 500 O HOH A 204 O HOH A 348 2.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 436 DISTANCE = 6.06 ANGSTROMS 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 101 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G A 4 O3' REMARK 620 2 G A 4 O3' 1.4 REMARK 620 3 G A 4 O2' 52.2 53.6 REMARK 620 4 G A 4 O2' 57.4 58.8 15.0 REMARK 620 5 G A 4 O3' 0.0 1.4 52.2 57.4 REMARK 620 6 G A 4 O3' 1.4 0.0 53.6 58.8 1.4 REMARK 620 7 G A 4 O2' 52.2 53.6 0.0 15.0 52.2 53.6 REMARK 620 8 G A 4 O2' 57.4 58.8 15.0 0.0 57.4 58.8 15.0 REMARK 620 9 HOH A 256 O 82.5 81.2 132.3 128.9 82.5 81.2 132.3 128.9 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue K A 101 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5D99 RELATED DB: PDB REMARK 900 DIFFERENT RNA FROM 5D99 BUT PART OF THE SAME DIRECT METHODS PHASING REMARK 900 EXPERIMENTS. DBREF 5DA6 A 1 32 PDB 5DA6 5DA6 1 32 SEQRES 1 A 32 A G A G A A G A A A G G G SEQRES 2 A 32 A A A U U U U U U U U U U SEQRES 3 A 32 U U U U U U HET K A 101 1 HETNAM K POTASSIUM ION FORMUL 2 K K 1+ FORMUL 3 HOH *236(H2 O) LINK O3'A G A 4 K K A 101 1555 1555 3.28 LINK O3'B G A 4 K K A 101 1555 1555 3.11 LINK O2'A G A 4 K K A 101 1555 1555 2.85 LINK O2'B G A 4 K K A 101 1555 1555 2.56 LINK O3'A G A 4 K K A 101 1555 2665 3.27 LINK O3'B G A 4 K K A 101 1555 2665 3.09 LINK O2'A G A 4 K K A 101 1555 2665 2.85 LINK O2'B G A 4 K K A 101 1555 2665 2.58 LINK K K A 101 O HOH A 256 1555 1555 3.29 LINK K K A 101 O HOH A 256 1555 2665 3.29 SITE 1 AC1 2 G A 4 A A 5 CRYST1 42.890 42.890 266.936 90.00 90.00 120.00 H 3 2 18 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 0.023315 0.013461 0.000000 0.00000 SCALE2 0.000000 0.026922 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003746 0.00000