HEADER RNA BINDING PROTEIN/RNA 08-JUL-22 7YFQ TITLE CRYO-EM STRUCTURE OF THE EFPIWI (N959K)-PIRNA-TARGET TERNARY COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: PIRNA; COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RNA (5'-R(*UP*CP*CP*AP*UP*GP*UP*UP*GP*AP*UP*GP*GP*UP*AP*A)- COMPND 7 3'); COMPND 8 CHAIN: C; COMPND 9 ENGINEERED: YES; COMPND 10 OTHER_DETAILS: 16NT RNA TARGET; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: PIWI; COMPND 13 CHAIN: A; COMPND 14 ENGINEERED: YES; COMPND 15 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 8 ORGANISM_TAXID: 9606; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: EPHYDATIA FLUVIATILIS; SOURCE 11 ORGANISM_TAXID: 31330; SOURCE 12 GENE: EFPIWIA; SOURCE 13 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS PIRNA, PIWI PROTEIN, ARGONAUTE, RNA BINDING PROTEIN, RNA BINDING KEYWDS 2 PROTEIN-RNA COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR Z.Q.LI,H.B.LIU,J.P.WU,E.Z.SHEN REVDAT 3 08-MAY-24 7YFQ 1 JRNL REVDAT 2 01-MAY-24 7YFQ 1 JRNL REVDAT 1 14-FEB-24 7YFQ 0 JRNL AUTH Z.LI,Z.LI,Y.ZHANG,L.ZHOU,Q.XU,L.LI,L.ZENG,J.XUE,H.NIU, JRNL AUTH 2 J.ZHONG,Q.YU,D.LI,M.GUI,Y.HUANG,S.TU,Z.ZHANG,C.Q.SONG,J.WU, JRNL AUTH 3 E.Z.SHEN JRNL TITL MAMMALIAN PIWI-PIRNA-TARGET COMPLEXES REVEAL FEATURES FOR JRNL TITL 2 BROAD AND EFFICIENT TARGET SILENCING. JRNL REF NAT.STRUCT.MOL.BIOL. 2024 JRNL REFN ESSN 1545-9985 JRNL PMID 38658622 JRNL DOI 10.1038/S41594-024-01287-6 REMARK 2 REMARK 2 RESOLUTION. 3.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : NULL REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.200 REMARK 3 NUMBER OF PARTICLES : 221896 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 7YFQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 22-JUL-22. REMARK 100 THE DEPOSITION ID IS D_1300030823. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : EFPIWI(N959K)-PIRNA-16NT REMARK 245 TARGET; EFPIWI(N959K); RNA REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 8.00 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1200.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2500.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, 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 MET A 182 REMARK 465 ASP A 183 REMARK 465 TYR A 184 REMARK 465 LYS A 185 REMARK 465 ASP A 186 REMARK 465 ASP A 187 REMARK 465 ASP A 188 REMARK 465 ASP A 189 REMARK 465 LYS A 190 REMARK 465 GLY A 191 REMARK 465 SER A 192 REMARK 465 ASP A 193 REMARK 465 TYR A 194 REMARK 465 LYS A 195 REMARK 465 ASP A 196 REMARK 465 ASP A 197 REMARK 465 ASP A 198 REMARK 465 ASP A 199 REMARK 465 LYS A 200 REMARK 465 GLY A 201 REMARK 465 SER A 202 REMARK 465 ASP A 203 REMARK 465 TYR A 204 REMARK 465 LYS A 205 REMARK 465 ASP A 206 REMARK 465 ASP A 207 REMARK 465 ASP A 208 REMARK 465 ASP A 209 REMARK 465 LYS A 210 REMARK 465 GLY A 211 REMARK 465 SER A 212 REMARK 465 GLU A 213 REMARK 465 ASN A 214 REMARK 465 LEU A 215 REMARK 465 TYR A 216 REMARK 465 PHE A 217 REMARK 465 GLN A 218 REMARK 465 GLY A 219 REMARK 465 SER A 220 REMARK 465 LEU A 221 REMARK 465 ASN A 222 REMARK 465 VAL A 223 REMARK 465 GLU A 224 REMARK 465 SER A 225 REMARK 465 SER A 226 REMARK 465 MET A 227 REMARK 465 VAL A 228 REMARK 465 SER A 229 REMARK 465 HIS A 412 REMARK 465 PHE A 413 REMARK 465 ASN A 414 REMARK 465 GLN A 415 REMARK 465 ASP A 416 REMARK 465 LYS A 417 REMARK 465 PHE A 418 REMARK 465 ARG A 419 REMARK 465 GLU A 420 REMARK 465 GLU A 421 REMARK 465 LYS A 491 REMARK 465 LYS A 492 REMARK 465 GLN A 493 REMARK 465 ARG A 494 REMARK 465 GLY A 495 REMARK 465 LYS A 496 REMARK 465 GLN A 497 REMARK 465 ASP A 498 REMARK 465 GLU A 499 REMARK 465 GLY A 500 REMARK 465 ARG A 501 REMARK 465 LYS A 502 REMARK 465 GLU A 503 REMARK 465 VAL A 504 REMARK 465 GLU A 505 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 SER A 270 OG REMARK 470 SER A 272 OG REMARK 470 GLN A 273 CG CD OE1 NE2 REMARK 470 LEU A 274 CG CD1 CD2 REMARK 470 LEU A 275 CG CD1 CD2 REMARK 470 ASN A 276 CG OD1 ND2 REMARK 470 GLU A 277 CG CD OE1 OE2 REMARK 470 HIS A 278 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 279 CG CD CE NZ REMARK 470 GLU A 280 CG CD OE1 OE2 REMARK 470 LEU A 281 CG CD1 CD2 REMARK 470 ILE A 282 CG1 CG2 CD1 REMARK 470 LEU A 284 CG CD1 CD2 REMARK 470 ARG A 286 CG CD NE CZ NH1 NH2 REMARK 470 PHE A 288 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASP A 289 CG OD1 OD2 REMARK 470 SER A 291 OG REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 U B 1 P U B 1 OP3 -0.090 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 VAL A 259 -63.32 -105.32 REMARK 500 ASP A 313 -38.55 -131.00 REMARK 500 ALA A 315 15.19 58.26 REMARK 500 LYS A 318 41.30 -104.46 REMARK 500 ASN A 329 -1.56 72.16 REMARK 500 LEU A 347 -169.80 -77.03 REMARK 500 PRO A 366 48.30 -85.62 REMARK 500 TRP A 447 49.59 -88.29 REMARK 500 PRO A 512 44.24 -84.55 REMARK 500 LYS A 560 -5.38 74.27 REMARK 500 ASP A 631 62.68 -108.59 REMARK 500 PRO A 656 -170.95 -67.65 REMARK 500 ILE A 705 -61.56 -123.38 REMARK 500 LYS A 739 36.50 -86.12 REMARK 500 LEU A 744 -60.31 -93.29 REMARK 500 PRO A 750 40.14 -85.52 REMARK 500 LYS A 765 41.48 -109.53 REMARK 500 CYS A 851 70.32 -103.19 REMARK 500 THR A 896 -11.13 76.55 REMARK 500 HIS A 973 19.30 59.34 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 MG A1001 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U B 1 OP1 REMARK 620 2 U B 1 OP2 62.1 REMARK 620 3 LEU A 987 O 101.8 161.4 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A1002 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 760 OD1 REMARK 620 2 ASP A 760 OD2 57.5 REMARK 620 N 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-33797 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE EFPIWI (N959K)-PIRNA-TARGET TERNARY COMPLEX DBREF 7YFQ B 1 25 PDB 7YFQ 7YFQ 1 25 DBREF 7YFQ C 8 23 PDB 7YFQ 7YFQ 8 23 DBREF 7YFQ A 220 987 UNP D5MRY8 D5MRY8_9METZ 220 987 SEQADV 7YFQ MET A 182 UNP D5MRY8 INITIATING METHIONINE SEQADV 7YFQ ASP A 183 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ TYR A 184 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ LYS A 185 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 186 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 187 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 188 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 189 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ LYS A 190 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ GLY A 191 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ SER A 192 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 193 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ TYR A 194 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ LYS A 195 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 196 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 197 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 198 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 199 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ LYS A 200 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ GLY A 201 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ SER A 202 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 203 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ TYR A 204 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ LYS A 205 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 206 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 207 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 208 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASP A 209 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ LYS A 210 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ GLY A 211 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ SER A 212 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ GLU A 213 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ ASN A 214 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ LEU A 215 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ TYR A 216 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ PHE A 217 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ GLN A 218 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ GLY A 219 UNP D5MRY8 EXPRESSION TAG SEQADV 7YFQ LYS A 959 UNP D5MRY8 ASN 959 ENGINEERED MUTATION SEQRES 1 B 25 U U A C C A U C A A C A U SEQRES 2 B 25 G G A A A C U U G G C OMU SEQRES 1 C 16 U C C A U G U U G A U G G SEQRES 2 C 16 U A A SEQRES 1 A 806 MET ASP TYR LYS ASP ASP ASP ASP LYS GLY SER ASP TYR SEQRES 2 A 806 LYS ASP ASP ASP ASP LYS GLY SER ASP TYR LYS ASP ASP SEQRES 3 A 806 ASP ASP LYS GLY SER GLU ASN LEU TYR PHE GLN GLY SER SEQRES 4 A 806 LEU ASN VAL GLU SER SER MET VAL SER GLN ARG GLY SER SEQRES 5 A 806 SER GLY GLN PRO VAL PRO VAL SER ALA ASN TYR LEU PRO SEQRES 6 A 806 LEU LYS GLY ASN MET ASP GLY VAL PHE LYS TYR ALA VAL SEQRES 7 A 806 GLY PHE ASN PRO PRO VAL GLU ASP ILE ARG SER ARG SER SEQRES 8 A 806 GLN LEU LEU ASN GLU HIS LYS GLU LEU ILE GLY LEU THR SEQRES 9 A 806 ARG VAL PHE ASP GLY SER THR LEU TYR VAL PRO LYS ARG SEQRES 10 A 806 ILE CYS GLU GLN ARG LEU ASP LEU MET SER THR ARG GLN SEQRES 11 A 806 THR ASP GLY ALA SER ILE LYS VAL THR ILE SER LEU VAL SEQRES 12 A 806 ASP SER VAL LYS ASN ARG ASP VAL VAL GLN LEU MET ASN SEQRES 13 A 806 VAL ILE PHE LYS ARG ILE LEU ARG SER LEU LYS LEU GLN SEQRES 14 A 806 ARG ILE GLY ARG ASP TYR TYR ASP ALA ASN SER PRO LEU SEQRES 15 A 806 GLU VAL PRO GLN HIS LYS MET GLN LEU TRP PRO GLY TYR SEQRES 16 A 806 VAL THR ALA ILE ASN ARG HIS GLU GLY GLY LEU MET LEU SEQRES 17 A 806 VAL LEU ASP VAL SER HIS ARG VAL MET LYS THR ASP THR SEQRES 18 A 806 ALA LEU ASP PHE LEU TYR GLU LEU TYR HIS PHE ASN GLN SEQRES 19 A 806 ASP LYS PHE ARG GLU GLU ALA PHE LYS GLN LEU VAL GLY SEQRES 20 A 806 SER VAL VAL LEU THR ARG TYR ASN ASN ARG THR TYR GLU SEQRES 21 A 806 ILE ASP ASP ILE ALA TRP ASP LYS ASN PRO ARG CYS ALA SEQRES 22 A 806 PHE GLN ASP HIS ALA GLY SER GLN ILE THR PHE VAL ASP SEQRES 23 A 806 TYR TYR LYS ARG ALA TYR ASP LEU ASP ILE THR ASP LEU SEQRES 24 A 806 GLU GLN PRO LEU LEU ILE HIS ARG PRO LYS LYS LYS GLN SEQRES 25 A 806 ARG GLY LYS GLN ASP GLU GLY ARG LYS GLU VAL GLU GLU SEQRES 26 A 806 MET VAL CYS LEU VAL PRO GLU LEU CYS ALA MET THR GLY SEQRES 27 A 806 LEU THR ASP ALA ALA ARG SER ASP PHE LYS VAL MET LYS SEQRES 28 A 806 ASP LEU ALA VAL HIS THR ARG VAL PRO PRO GLU LYS ARG SEQRES 29 A 806 ALA GLU SER PHE ARG LYS PHE ILE GLN ARG LEU ASN THR SEQRES 30 A 806 THR LYS GLU ALA SER GLU LEU LEU HIS SER TRP GLY LEU SEQRES 31 A 806 VAL LEU ASP SER ARG MET LEU ASP MET GLN GLY ARG ARG SEQRES 32 A 806 LEU PRO PRO GLU LYS ILE LEU PHE LYS HIS SER SER ILE SEQRES 33 A 806 VAL ALA ASN MET GLU ALA ASP TRP SER ARG GLU CYS LEU SEQRES 34 A 806 LYS GLU HIS VAL ILE SER ALA VAL SER LEU LEU ASP TRP SEQRES 35 A 806 ALA VAL LEU PHE VAL ARG LYS ASP GLN GLY LYS ALA THR SEQRES 36 A 806 ASP PHE VAL ASN MET LEU SER LYS VAL CYS PRO PRO ILE SEQRES 37 A 806 GLY MET GLU VAL HIS GLU PRO LYS MET VAL GLU VAL VAL SEQRES 38 A 806 ASN ASP ARG THR GLU SER TYR LEU ARG ALA LEU ARG GLU SEQRES 39 A 806 LEU ILE ALA PRO ARG LEU GLN MET VAL VAL ILE VAL PHE SEQRES 40 A 806 PRO THR SER ARG ASP ASP ARG TYR SER ALA VAL LYS LYS SEQRES 41 A 806 LEU CYS CYS ILE GLU SER PRO ILE PRO SER GLN VAL LEU SEQRES 42 A 806 ILE ALA ARG THR ILE THR GLN GLN GLN LYS LEU ARG SER SEQRES 43 A 806 VAL ALA GLN LYS VAL ALA LEU GLN MET ASN ALA LYS LEU SEQRES 44 A 806 GLY GLY GLU LEU TRP ALA VAL GLU ILE PRO LEU LYS SER SEQRES 45 A 806 CYS MET VAL VAL GLY ILE ASP VAL TYR HIS ASP LYS SER SEQRES 46 A 806 TYR GLY ASN LYS SER ILE ALA GLY PHE VAL ALA SER THR SEQRES 47 A 806 ASN PRO SER PHE THR ARG TRP TYR SER ARG THR ALA MET SEQRES 48 A 806 GLN GLU GLN SER GLN GLU LEU ILE HIS GLU LEU LYS LEU SEQRES 49 A 806 CYS MET GLN ALA ALA LEU LYS LYS TYR ASN GLU MET ASN SEQRES 50 A 806 GLN SER LEU PRO GLU ARG ILE ILE VAL PHE ARG ASP GLY SEQRES 51 A 806 VAL GLY GLU GLY ARG GLU GLU TYR VAL SER GLU PHE GLU SEQRES 52 A 806 VAL PRO GLN PHE ASN SER CYS PHE SER ILE PHE GLY GLU SEQRES 53 A 806 ASN TYR CYS PRO LYS LEU ALA VAL VAL VAL VAL GLN LYS SEQRES 54 A 806 ARG ILE THR THR ARG ILE PHE GLY ARG SER GLY HIS SER SEQRES 55 A 806 TYR ASP ASN PRO PRO PRO GLY VAL ILE VAL ASP HIS THR SEQRES 56 A 806 ILE THR LYS SER TYR ASP PHE TYR LEU VAL SER GLN HIS SEQRES 57 A 806 VAL ARG GLN GLY THR VAL SER PRO THR TYR TYR ARG VAL SEQRES 58 A 806 ILE TYR ASP LYS SER GLY LEU LYS PRO ASP HIS LEU GLN SEQRES 59 A 806 ARG LEU THR TYR LYS LEU THR HIS MET TYR TYR ASN TRP SEQRES 60 A 806 PRO GLY THR ILE ARG THR PRO ALA PRO CYS LYS TYR ALA SEQRES 61 A 806 HIS LYS LEU ALA PHE LEU VAL GLY LYS SER LEU HIS ARG SEQRES 62 A 806 ASP PRO ALA HIS GLU LEU SER ASP ARG LEU PHE PHE LEU HET OMU B 25 21 HET MG A1001 1 HET MG A1002 1 HETNAM OMU O2'-METHYLURIDINE 5'-MONOPHOSPHATE HETNAM MG MAGNESIUM ION FORMUL 1 OMU C10 H15 N2 O9 P FORMUL 4 MG 2(MG 2+) HELIX 1 AA1 ASP A 267 HIS A 278 1 12 HELIX 2 AA2 HIS A 278 GLY A 283 1 6 HELIX 3 AA3 ASN A 329 LEU A 347 1 19 HELIX 4 AA4 THR A 402 LEU A 410 1 9 HELIX 5 AA5 PHE A 423 SER A 429 1 7 HELIX 6 AA6 HIS A 458 GLY A 460 5 3 HELIX 7 AA7 PHE A 465 ASP A 474 1 10 HELIX 8 AA8 THR A 521 ASP A 527 1 7 HELIX 9 AA9 ASP A 527 ARG A 539 1 13 HELIX 10 AB1 PRO A 541 THR A 559 1 19 HELIX 11 AB2 GLU A 561 GLY A 570 1 10 HELIX 12 AB3 TRP A 605 GLU A 612 1 8 HELIX 13 AB4 VAL A 628 ASP A 631 5 4 HELIX 14 AB5 GLN A 632 GLY A 650 1 19 HELIX 15 AB6 ARG A 665 ILE A 677 1 13 HELIX 16 AB7 ARG A 692 ILE A 705 1 14 HELIX 17 AB8 LYS A 724 LYS A 739 1 16 HELIX 18 AB9 GLN A 797 GLN A 819 1 23 HELIX 19 AC1 GLU A 837 PHE A 843 1 7 HELIX 20 AC2 PHE A 843 CYS A 851 1 9 HELIX 21 AC3 LYS A 930 THR A 942 1 13 HELIX 22 AC4 PRO A 955 SER A 971 1 17 HELIX 23 AC5 ALA A 977 SER A 981 5 5 SHEET 1 AA112 TRP A 786 ARG A 789 0 SHEET 2 AA112 ILE A 772 SER A 778 -1 N PHE A 775 O ARG A 789 SHEET 3 AA112 CYS A 754 TYR A 762 -1 N TYR A 762 O ILE A 772 SHEET 4 AA112 ARG A 824 ARG A 829 1 O ILE A 826 N VAL A 757 SHEET 5 AA112 LYS A 862 GLN A 869 1 O VAL A 866 N ARG A 829 SHEET 6 AA112 THR A 918 ASP A 925 -1 O TYR A 924 N VAL A 865 SHEET 7 AA112 ASP A 902 VAL A 906 -1 N LEU A 905 O THR A 918 SHEET 8 AA112 VAL A 891 VAL A 893 -1 N VAL A 893 O TYR A 904 SHEET 9 AA112 ASP A 579 ARG A 584 -1 N ARG A 583 O ILE A 892 SHEET 10 AA112 GLN A 236 ALA A 242 -1 N GLN A 236 O ARG A 584 SHEET 11 AA112 ILE A 876 SER A 880 -1 O PHE A 877 N SER A 241 SHEET 12 AA112 SER A 883 ASP A 885 -1 O ASP A 885 N GLY A 878 SHEET 1 AA2 3 TYR A 356 TYR A 357 0 SHEET 2 AA2 3 MET A 370 HIS A 383 -1 O TYR A 376 N TYR A 356 SHEET 3 AA2 3 LEU A 363 GLU A 364 -1 N LEU A 363 O LEU A 372 SHEET 1 AA3 5 TYR A 356 TYR A 357 0 SHEET 2 AA3 5 MET A 370 HIS A 383 -1 O TYR A 376 N TYR A 356 SHEET 3 AA3 5 GLY A 386 LYS A 399 -1 O ARG A 396 N TRP A 373 SHEET 4 AA3 5 TYR A 244 GLY A 249 -1 N LEU A 245 O LEU A 389 SHEET 5 AA3 5 LEU A 571 LEU A 573 -1 O VAL A 572 N LYS A 248 SHEET 1 AA4 3 THR A 292 VAL A 295 0 SHEET 2 AA4 3 PHE A 255 ALA A 258 -1 N TYR A 257 O LEU A 293 SHEET 3 AA4 3 SER A 322 VAL A 324 -1 O SER A 322 N ALA A 258 SHEET 1 AA5 2 LEU A 432 THR A 433 0 SHEET 2 AA5 2 ARG A 438 THR A 439 -1 O ARG A 438 N THR A 433 SHEET 1 AA6 3 ASP A 444 ILE A 445 0 SHEET 2 AA6 3 LEU A 485 HIS A 487 -1 O ILE A 486 N ASP A 444 SHEET 3 AA6 3 VAL A 508 LEU A 510 -1 O LEU A 510 N LEU A 485 SHEET 1 AA7 2 ALA A 454 GLN A 456 0 SHEET 2 AA7 2 GLN A 462 THR A 464 -1 O ILE A 463 N PHE A 455 SHEET 1 AA8 3 SER A 595 VAL A 598 0 SHEET 2 AA8 3 LYS A 589 PHE A 592 -1 N ILE A 590 O ILE A 597 SHEET 3 AA8 3 ALA A 746 VAL A 747 -1 O ALA A 746 N LEU A 591 SHEET 1 AA9 4 LYS A 657 GLU A 660 0 SHEET 2 AA9 4 TRP A 623 PHE A 627 1 N VAL A 625 O VAL A 659 SHEET 3 AA9 4 MET A 683 PHE A 688 1 O VAL A 685 N ALA A 624 SHEET 4 AA9 4 SER A 711 ILE A 715 1 O GLN A 712 N VAL A 684 LINK O3' C B 24 P OMU B 25 1555 1555 1.60 LINK OP1 U B 1 MG MG A1001 1555 1555 2.15 LINK OP2 U B 1 MG MG A1001 1555 1555 2.67 LINK OD1 ASP A 760 MG MG A1002 1555 1555 2.49 LINK OD2 ASP A 760 MG MG A1002 1555 1555 1.96 LINK O LEU A 987 MG MG A1001 1555 1555 2.50 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