HEADER TRANSFERASE 25-AUG-11 3TKA TITLE CRYSTAL STRUCTURE AND SOLUTION SAXS OF METHYLTRANSFERASE RSMH FROM TITLE 2 E.COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBOSOMAL RNA SMALL SUBUNIT METHYLTRANSFERASE H; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 16S RRNA M(4)C1402 METHYLTRANSFERASE, RRNA (CYTOSINE-N(4)-)- COMPND 5 METHYLTRANSFERASE RSMH; COMPND 6 EC: 2.1.1.199; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K-12; SOURCE 5 GENE: RSMH, MRAW, YABC, B0082, JW0080; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS METHYL TRANSFERASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR Z.Q.GAO,Y.WEI,H.ZHANG,Y.H.DONG REVDAT 4 01-NOV-23 3TKA 1 REMARK SEQADV REVDAT 3 08-NOV-17 3TKA 1 REMARK REVDAT 2 10-JUL-13 3TKA 1 JRNL REVDAT 1 30-MAY-12 3TKA 0 JRNL AUTH Y.WEI,H.ZHANG,Z.Q.GAO,W.J.WANG,E.V.SHTYKOVA,J.H.XU,Q.S.LIU, JRNL AUTH 2 Y.H.DONG JRNL TITL CRYSTAL AND SOLUTION STRUCTURES OF METHYLTRANSFERASE RSMH JRNL TITL 2 PROVIDE BASIS FOR METHYLATION OF C1402 IN 16S RRNA. JRNL REF J.STRUCT.BIOL. V. 179 29 2012 JRNL REFN ISSN 1047-8477 JRNL PMID 22561317 JRNL DOI 10.1016/J.JSB.2012.04.011 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.1_743) 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.11 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 18115 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.110 REMARK 3 FREE R VALUE TEST SET COUNT : 926 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 40.1170 - 4.3026 1.00 2531 117 0.1657 0.1990 REMARK 3 2 4.3026 - 3.4157 1.00 2490 139 0.1519 0.2061 REMARK 3 3 3.4157 - 2.9841 1.00 2477 137 0.1869 0.2254 REMARK 3 4 2.9841 - 2.7113 0.99 2458 138 0.2044 0.2892 REMARK 3 5 2.7113 - 2.5170 0.99 2452 135 0.2165 0.2755 REMARK 3 6 2.5170 - 2.3686 0.99 2455 129 0.2344 0.2557 REMARK 3 7 2.3686 - 2.2500 0.94 2326 131 0.3159 0.4126 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.30 REMARK 3 SHRINKAGE RADIUS : 1.06 REMARK 3 K_SOL : 0.35 REMARK 3 B_SOL : 60.10 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.680 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.790 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 38.61 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.01670 REMARK 3 B22 (A**2) : 1.01670 REMARK 3 B33 (A**2) : -2.03330 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 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 : 0.009 2345 REMARK 3 ANGLE : 1.170 3169 REMARK 3 CHIRALITY : 0.072 351 REMARK 3 PLANARITY : 0.005 411 REMARK 3 DIHEDRAL : 16.405 911 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 30.5892 16.7012 15.1349 REMARK 3 T TENSOR REMARK 3 T11: 0.1686 T22: 0.1578 REMARK 3 T33: 0.1666 T12: -0.0124 REMARK 3 T13: 0.0329 T23: 0.0344 REMARK 3 L TENSOR REMARK 3 L11: 1.2951 L22: 3.7794 REMARK 3 L33: 2.4331 L12: -0.2862 REMARK 3 L13: 0.0506 L23: 0.0261 REMARK 3 S TENSOR REMARK 3 S11: 0.1644 S12: 0.0142 S13: -0.0146 REMARK 3 S21: 0.0146 S22: -0.1903 S23: -0.0484 REMARK 3 S31: 0.0087 S32: 0.0915 S33: 0.0170 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 3TKA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-SEP-11. REMARK 100 THE DEPOSITION ID IS D_1000067582. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAY-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BSRF REMARK 200 BEAMLINE : 1W2B 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 : DOUBLE CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18379 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 15.30 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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 (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 15.20 REMARK 200 R MERGE FOR SHELL (I) : 0.33200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 9.590 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: PDB ENTRY 1WG8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.0M AMMONIUM SULFATE, 0.1M HEPES, PH REMARK 280 6.5, 0.5% PEG 8000, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X,-Y,Z REMARK 290 7555 -Y+1/2,X,Z+3/4 REMARK 290 8555 Y,-X+1/2,Z+1/4 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 42.83000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 42.83000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.52950 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 42.83000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 26.76475 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 42.83000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 80.29425 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 42.83000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.83000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 53.52950 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 0.00000 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 42.83000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 80.29425 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 42.83000 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 26.76475 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: 4290 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25990 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -109.0 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 -1.000000 0.000000 0.000000 85.66000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 A 385 LIES ON A SPECIAL POSITION. 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 MET A -33 REMARK 465 GLY A -32 REMARK 465 SER A -31 REMARK 465 SER A -30 REMARK 465 HIS A -29 REMARK 465 HIS A -28 REMARK 465 HIS A -27 REMARK 465 HIS A -26 REMARK 465 HIS A -25 REMARK 465 HIS A -24 REMARK 465 SER A -23 REMARK 465 SER A -22 REMARK 465 GLY A -21 REMARK 465 GLU A -20 REMARK 465 ASN A -19 REMARK 465 LEU A -18 REMARK 465 TYR A -17 REMARK 465 PHE A -16 REMARK 465 GLU A -15 REMARK 465 GLY A -14 REMARK 465 SER A -13 REMARK 465 HIS A -12 REMARK 465 MET A -11 REMARK 465 ALA A -10 REMARK 465 SER A -9 REMARK 465 MET A -8 REMARK 465 THR A -7 REMARK 465 GLY A -6 REMARK 465 GLY A -5 REMARK 465 GLN A -4 REMARK 465 GLN A -3 REMARK 465 MET A -2 REMARK 465 GLY A -1 REMARK 465 ARG A 0 REMARK 465 MET A 1 REMARK 465 MET A 2 REMARK 465 GLU A 3 REMARK 465 ASN A 4 REMARK 465 TYR A 5 REMARK 465 LYS A 6 REMARK 465 HIS A 7 REMARK 465 LYS A 194 REMARK 465 ASP A 195 REMARK 465 LYS A 196 REMARK 465 PHE A 197 REMARK 465 PRO A 260 REMARK 465 GLN A 261 REMARK 465 VAL A 262 REMARK 465 PRO A 263 REMARK 465 ALA A 264 REMARK 465 GLY A 265 REMARK 465 LEU A 266 REMARK 465 PRO A 267 REMARK 465 MET A 268 REMARK 465 THR A 269 REMARK 465 GLU A 270 REMARK 465 GLU A 271 REMARK 465 GLN A 272 REMARK 465 LEU A 273 REMARK 465 LYS A 274 REMARK 465 LYS A 275 REMARK 465 LEU A 276 REMARK 465 GLY A 277 REMARK 465 GLY A 278 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 OE2 GLU A 255 O HOH A 411 2.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 PG4 A 700 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAM A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CTN A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 603 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 604 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PG4 A 700 DBREF 3TKA A 1 313 UNP P60390 RSMH_ECOLI 1 313 SEQADV 3TKA MET A -33 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLY A -32 UNP P60390 EXPRESSION TAG SEQADV 3TKA SER A -31 UNP P60390 EXPRESSION TAG SEQADV 3TKA SER A -30 UNP P60390 EXPRESSION TAG SEQADV 3TKA HIS A -29 UNP P60390 EXPRESSION TAG SEQADV 3TKA HIS A -28 UNP P60390 EXPRESSION TAG SEQADV 3TKA HIS A -27 UNP P60390 EXPRESSION TAG SEQADV 3TKA HIS A -26 UNP P60390 EXPRESSION TAG SEQADV 3TKA HIS A -25 UNP P60390 EXPRESSION TAG SEQADV 3TKA HIS A -24 UNP P60390 EXPRESSION TAG SEQADV 3TKA SER A -23 UNP P60390 EXPRESSION TAG SEQADV 3TKA SER A -22 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLY A -21 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLU A -20 UNP P60390 EXPRESSION TAG SEQADV 3TKA ASN A -19 UNP P60390 EXPRESSION TAG SEQADV 3TKA LEU A -18 UNP P60390 EXPRESSION TAG SEQADV 3TKA TYR A -17 UNP P60390 EXPRESSION TAG SEQADV 3TKA PHE A -16 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLU A -15 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLY A -14 UNP P60390 EXPRESSION TAG SEQADV 3TKA SER A -13 UNP P60390 EXPRESSION TAG SEQADV 3TKA HIS A -12 UNP P60390 EXPRESSION TAG SEQADV 3TKA MET A -11 UNP P60390 EXPRESSION TAG SEQADV 3TKA ALA A -10 UNP P60390 EXPRESSION TAG SEQADV 3TKA SER A -9 UNP P60390 EXPRESSION TAG SEQADV 3TKA MET A -8 UNP P60390 EXPRESSION TAG SEQADV 3TKA THR A -7 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLY A -6 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLY A -5 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLN A -4 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLN A -3 UNP P60390 EXPRESSION TAG SEQADV 3TKA MET A -2 UNP P60390 EXPRESSION TAG SEQADV 3TKA GLY A -1 UNP P60390 EXPRESSION TAG SEQADV 3TKA ARG A 0 UNP P60390 EXPRESSION TAG SEQRES 1 A 347 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 347 GLU ASN LEU TYR PHE GLU GLY SER HIS MET ALA SER MET SEQRES 3 A 347 THR GLY GLY GLN GLN MET GLY ARG MET MET GLU ASN TYR SEQRES 4 A 347 LYS HIS THR THR VAL LEU LEU ASP GLU ALA VAL ASN GLY SEQRES 5 A 347 LEU ASN ILE ARG PRO ASP GLY ILE TYR ILE ASP GLY THR SEQRES 6 A 347 PHE GLY ARG GLY GLY HIS SER ARG LEU ILE LEU SER GLN SEQRES 7 A 347 LEU GLY GLU GLU GLY ARG LEU LEU ALA ILE ASP ARG ASP SEQRES 8 A 347 PRO GLN ALA ILE ALA VAL ALA LYS THR ILE ASP ASP PRO SEQRES 9 A 347 ARG PHE SER ILE ILE HIS GLY PRO PHE SER ALA LEU GLY SEQRES 10 A 347 GLU TYR VAL ALA GLU ARG ASP LEU ILE GLY LYS ILE ASP SEQRES 11 A 347 GLY ILE LEU LEU ASP LEU GLY VAL SER SER PRO GLN LEU SEQRES 12 A 347 ASP ASP ALA GLU ARG GLY PHE SER PHE MET ARG ASP GLY SEQRES 13 A 347 PRO LEU ASP MET ARG MET ASP PRO THR ARG GLY GLN SER SEQRES 14 A 347 ALA ALA GLU TRP LEU GLN THR ALA GLU GLU ALA ASP ILE SEQRES 15 A 347 ALA TRP VAL LEU LYS THR TYR GLY GLU GLU ARG PHE ALA SEQRES 16 A 347 LYS ARG ILE ALA ARG ALA ILE VAL GLU ARG ASN ARG GLU SEQRES 17 A 347 GLN PRO MET THR ARG THR LYS GLU LEU ALA GLU VAL VAL SEQRES 18 A 347 ALA ALA ALA THR PRO VAL LYS ASP LYS PHE LYS HIS PRO SEQRES 19 A 347 ALA THR ARG THR PHE GLN ALA VAL ARG ILE TRP VAL ASN SEQRES 20 A 347 SER GLU LEU GLU GLU ILE GLU GLN ALA LEU LYS SER SER SEQRES 21 A 347 LEU ASN VAL LEU ALA PRO GLY GLY ARG LEU SER ILE ILE SEQRES 22 A 347 SER PHE HIS SER LEU GLU ASP ARG ILE VAL LYS ARG PHE SEQRES 23 A 347 MET ARG GLU ASN SER ARG GLY PRO GLN VAL PRO ALA GLY SEQRES 24 A 347 LEU PRO MET THR GLU GLU GLN LEU LYS LYS LEU GLY GLY SEQRES 25 A 347 ARG GLN LEU ARG ALA LEU GLY LYS LEU MET PRO GLY GLU SEQRES 26 A 347 GLU GLU VAL ALA GLU ASN PRO ARG ALA ARG SER SER VAL SEQRES 27 A 347 LEU ARG ILE ALA GLU ARG THR ASN ALA HET SAM A 400 27 HET CTN A 500 17 HET SO4 A 600 5 HET SO4 A 601 5 HET SO4 A 602 5 HET SO4 A 603 5 HET SO4 A 604 5 HET PG4 A 700 12 HETNAM SAM S-ADENOSYLMETHIONINE HETNAM CTN 4-AMINO-1-BETA-D-RIBOFURANOSYL-2(1H)-PYRIMIDINONE HETNAM SO4 SULFATE ION HETNAM PG4 TETRAETHYLENE GLYCOL HETSYN CTN CYTIDINE FORMUL 2 SAM C15 H22 N6 O5 S FORMUL 3 CTN C9 H13 N3 O5 FORMUL 4 SO4 5(O4 S 2-) FORMUL 9 PG4 C8 H18 O5 FORMUL 10 HOH *145(H2 O) HELIX 1 1 LEU A 12 LEU A 19 1 8 HELIX 2 2 GLY A 35 SER A 43 1 9 HELIX 3 3 ASP A 57 LYS A 65 1 9 HELIX 4 4 PRO A 78 SER A 80 5 3 HELIX 5 5 ALA A 81 ARG A 89 1 9 HELIX 6 6 SER A 105 ASP A 111 1 7 HELIX 7 7 ALA A 112 GLY A 115 5 4 HELIX 8 8 SER A 135 ALA A 143 1 9 HELIX 9 9 GLU A 144 GLU A 157 1 14 HELIX 10 10 PHE A 160 GLN A 175 1 16 HELIX 11 11 ARG A 179 THR A 191 1 13 HELIX 12 12 ALA A 201 SER A 214 1 14 HELIX 13 13 SER A 214 VAL A 229 1 16 HELIX 14 14 HIS A 242 ASN A 256 1 15 HELIX 15 15 GLY A 290 ASN A 297 1 8 HELIX 16 16 PRO A 298 ARG A 301 5 4 SHEET 1 A 7 PHE A 72 HIS A 76 0 SHEET 2 A 7 ARG A 50 ASP A 55 1 N ALA A 53 O SER A 73 SHEET 3 A 7 ILE A 26 ASP A 29 1 N TYR A 27 O LEU A 52 SHEET 4 A 7 ILE A 95 ASP A 101 1 O LEU A 99 N ILE A 28 SHEET 5 A 7 LEU A 230 SER A 240 1 O ILE A 239 N LEU A 100 SHEET 6 A 7 VAL A 304 ARG A 310 -1 O ARG A 310 N GLY A 233 SHEET 7 A 7 LEU A 281 LEU A 287 -1 N LEU A 287 O LEU A 305 SITE 1 AC1 24 THR A 31 PHE A 32 GLY A 33 ARG A 34 SITE 2 AC1 24 GLY A 35 GLY A 36 HIS A 37 ASP A 55 SITE 3 AC1 24 ARG A 56 ASP A 57 GLY A 77 PRO A 78 SITE 4 AC1 24 PHE A 79 ASP A 101 GLY A 103 VAL A 104 SITE 5 AC1 24 SER A 105 GLN A 108 MET A 128 GLU A 218 SITE 6 AC1 24 HOH A 315 HOH A 316 HOH A 344 HOH A 354 SITE 1 AC2 9 ILE A 61 ILE A 74 HIS A 76 TRP A 139 SITE 2 AC2 9 ALA A 143 ASP A 147 TRP A 211 HOH A 363 SITE 3 AC2 9 HOH A 431 SITE 1 AC3 6 LYS A 250 LYS A 286 ARG A 306 HOH A 385 SITE 2 AC3 6 HOH A 415 HOH A 417 SITE 1 AC4 3 ARG A 50 SER A 73 ARG A 89 SITE 1 AC5 5 ARG A 127 LYS A 153 LYS A 162 HOH A 442 SITE 2 AC5 5 HOH A 443 SITE 1 AC6 4 PHE A 160 LYS A 162 ARG A 163 HOH A 359 SITE 1 AC7 4 ARG A 282 THR A 311 ASN A 312 ALA A 313 SITE 1 AC8 7 LYS A 65 ASP A 68 ARG A 132 GLY A 133 SITE 2 AC8 7 GLN A 134 GLU A 138 HOH A 408 CRYST1 85.660 85.660 107.059 90.00 90.00 90.00 I 41 8 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 0.011674 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011674 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009341 0.00000