HEADER RNA BINDING PROTEIN/RNA 11-JUL-22 7YGN TITLE CRYO-EM STRUCTURE OF THE MILI IN COMPLEX WITH PIRNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: PIWI-LIKE PROTEIN 2; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.26.-; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PIRNA; COMPND 8 CHAIN: B; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: PIWIL2, MILI; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_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 7YGN 1 JRNL REVDAT 2 01-MAY-24 7YGN 1 JRNL REVDAT 1 24-JAN-24 7YGN 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. 3.00 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) : 3.000 REMARK 3 NUMBER OF PARTICLES : 673342 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 7YGN 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_1300030824. 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 : MILI-PIRNA; MILI; PIRNA 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: 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 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 171 REMARK 465 ASP A 172 REMARK 465 TYR A 173 REMARK 465 LYS A 174 REMARK 465 ASP A 175 REMARK 465 ASP A 176 REMARK 465 ASP A 177 REMARK 465 ASP A 178 REMARK 465 LYS A 179 REMARK 465 GLY A 180 REMARK 465 SER A 181 REMARK 465 ASP A 182 REMARK 465 TYR A 183 REMARK 465 LYS A 184 REMARK 465 ASP A 185 REMARK 465 ASP A 186 REMARK 465 ASP A 187 REMARK 465 ASP A 188 REMARK 465 LYS A 189 REMARK 465 GLY A 190 REMARK 465 SER A 191 REMARK 465 ASP A 192 REMARK 465 TYR A 193 REMARK 465 LYS A 194 REMARK 465 ASP A 195 REMARK 465 ASP A 196 REMARK 465 ASP A 197 REMARK 465 ASP A 198 REMARK 465 LYS A 199 REMARK 465 GLY A 200 REMARK 465 SER A 201 REMARK 465 GLU A 202 REMARK 465 ASN A 203 REMARK 465 LEU A 204 REMARK 465 TYR A 205 REMARK 465 PHE A 206 REMARK 465 GLN A 207 REMARK 465 GLY A 208 REMARK 465 LYS A 209 REMARK 465 GLU A 210 REMARK 465 LEU A 211 REMARK 465 LEU A 212 REMARK 465 VAL A 213 REMARK 465 LYS A 214 REMARK 465 MET A 442 REMARK 465 SER A 443 REMARK 465 ASP A 444 REMARK 465 GLY A 445 REMARK 465 LYS A 446 REMARK 465 SER A 475 REMARK 465 GLU A 476 REMARK 465 ARG A 477 REMARK 465 GLN A 478 REMARK 465 ASN A 479 REMARK 465 ASN A 480 REMARK 465 HIS A 481 REMARK 465 GLY A 482 REMARK 465 MET A 483 REMARK 465 LEU A 484 REMARK 465 LEU A 485 REMARK 465 LYS A 486 REMARK 465 GLY A 487 REMARK 465 U B 7 REMARK 465 C B 8 REMARK 465 A B 9 REMARK 465 A B 10 REMARK 465 C B 11 REMARK 465 A B 12 REMARK 465 U B 13 REMARK 465 G B 14 REMARK 465 G B 15 REMARK 465 A B 16 REMARK 465 A B 17 REMARK 465 A B 18 REMARK 465 C B 19 REMARK 465 U B 20 REMARK 465 U B 21 REMARK 465 G B 22 REMARK 465 G B 23 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 -0.131 REMARK 500 U B 2 O3' A B 3 P -0.079 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 OMC B 26 O3' - P - OP2 ANGL. DEV. = -15.2 DEGREES REMARK 500 OMC B 26 O3' - P - OP1 ANGL. DEV. = -18.8 DEGREES 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 PRO A 247 -179.09 -55.60 REMARK 500 SER A 264 170.29 -58.66 REMARK 500 VAL A 265 -63.41 64.33 REMARK 500 CYS A 313 35.16 -99.27 REMARK 500 ASP A 645 47.23 -88.91 REMARK 500 VAL A 688 -62.98 -108.91 REMARK 500 LEU A 727 -60.73 -94.57 REMARK 500 HIS A 779 -2.49 80.43 REMARK 500 THR A 878 -8.72 74.97 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 A1002 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 743 OD1 REMARK 620 2 ASP A 743 OD2 57.9 REMARK 620 N 1 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 LEU A 971 O REMARK 620 2 LEU A 971 OXT 44.8 REMARK 620 3 U B 1 OP1 128.2 85.3 REMARK 620 4 A B 3 OP1 133.6 176.4 97.1 REMARK 620 N 1 2 3 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-33817 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE MILI IN COMPLEX WITH PIRNA DBREF 7YGN A 209 971 UNP Q8CDG1 PIWL2_MOUSE 209 971 DBREF 7YGN B 1 26 PDB 7YGN 7YGN 1 26 SEQADV 7YGN MET A 171 UNP Q8CDG1 INITIATING METHIONINE SEQADV 7YGN ASP A 172 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN TYR A 173 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN LYS A 174 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 175 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 176 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 177 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 178 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN LYS A 179 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN GLY A 180 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN SER A 181 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 182 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN TYR A 183 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN LYS A 184 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 185 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 186 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 187 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 188 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN LYS A 189 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN GLY A 190 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN SER A 191 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 192 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN TYR A 193 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN LYS A 194 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 195 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 196 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 197 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASP A 198 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN LYS A 199 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN GLY A 200 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN SER A 201 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN GLU A 202 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN ASN A 203 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN LEU A 204 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN TYR A 205 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN PHE A 206 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN GLN A 207 UNP Q8CDG1 EXPRESSION TAG SEQADV 7YGN GLY A 208 UNP Q8CDG1 EXPRESSION TAG SEQRES 1 A 801 MET ASP TYR LYS ASP ASP ASP ASP LYS GLY SER ASP TYR SEQRES 2 A 801 LYS ASP ASP ASP ASP LYS GLY SER ASP TYR LYS ASP ASP SEQRES 3 A 801 ASP ASP LYS GLY SER GLU ASN LEU TYR PHE GLN GLY LYS SEQRES 4 A 801 GLU LEU LEU VAL LYS GLN GLY SER LYS GLY THR PRO GLN SEQRES 5 A 801 SER LEU GLY LEU ASN LEU ILE LYS ILE GLN CYS HIS ASN SEQRES 6 A 801 GLU ALA VAL TYR GLN TYR HIS VAL THR PHE SER PRO SER SEQRES 7 A 801 VAL GLU CYS LYS SER MET ARG PHE GLY MET LEU LYS ASP SEQRES 8 A 801 HIS GLN SER VAL THR GLY ASN VAL THR ALA PHE ASP GLY SEQRES 9 A 801 SER ILE LEU TYR LEU PRO VAL LYS LEU GLN GLN VAL VAL SEQRES 10 A 801 GLU LEU LYS SER GLN ARG LYS THR ASP ASP ALA GLU ILE SEQRES 11 A 801 SER ILE LYS ILE GLN LEU THR LYS ILE LEU GLU PRO CYS SEQRES 12 A 801 SER ASP LEU CYS ILE PRO PHE TYR ASN VAL VAL PHE ARG SEQRES 13 A 801 ARG VAL MET LYS LEU LEU ASP MET LYS LEU VAL GLY ARG SEQRES 14 A 801 ASN PHE TYR ASP PRO THR SER ALA MET VAL LEU GLN GLN SEQRES 15 A 801 HIS ARG LEU GLN ILE TRP PRO GLY TYR ALA ALA SER ILE SEQRES 16 A 801 ARG ARG THR ASP GLY GLY LEU PHE LEU LEU ALA ASP VAL SEQRES 17 A 801 SER HIS LYS VAL ILE ARG ASN ASP SER VAL LEU ASP VAL SEQRES 18 A 801 MET HIS ALA ILE TYR GLN GLN ASN LYS GLU HIS PHE GLN SEQRES 19 A 801 ASP GLU CYS SER LYS LEU LEU VAL GLY SER ILE VAL ILE SEQRES 20 A 801 THR ARG TYR ASN ASN ARG THR TYR ARG ILE ASP ASP VAL SEQRES 21 A 801 ASP TRP ASN LYS THR PRO LYS ASP SER PHE VAL MET SER SEQRES 22 A 801 ASP GLY LYS GLU ILE THR PHE LEU GLU TYR TYR SER LYS SEQRES 23 A 801 ASN TYR GLY ILE THR VAL LYS GLU ASP ASP GLN PRO LEU SEQRES 24 A 801 LEU ILE HIS ARG PRO SER GLU ARG GLN ASN ASN HIS GLY SEQRES 25 A 801 MET LEU LEU LYS GLY GLU ILE LEU LEU LEU PRO GLU LEU SEQRES 26 A 801 SER PHE MET THR GLY ILE PRO GLU LYS MET LYS LYS ASP SEQRES 27 A 801 PHE ARG ALA MET LYS ASP LEU THR GLN GLN ILE ASN LEU SEQRES 28 A 801 SER PRO LYS GLN HIS HIS GLY ALA LEU GLU CYS LEU LEU SEQRES 29 A 801 GLN ARG ILE SER GLN ASN GLU THR ALA SER ASN GLU LEU SEQRES 30 A 801 THR ARG TRP GLY LEU SER LEU HIS LYS ASP VAL HIS LYS SEQRES 31 A 801 ILE GLU GLY ARG LEU LEU PRO MET GLU ARG ILE ASN LEU SEQRES 32 A 801 ARG ASN THR SER PHE VAL THR SER GLU ASP LEU ASN TRP SEQRES 33 A 801 VAL LYS GLU VAL THR ARG ASP ALA SER ILE LEU THR ILE SEQRES 34 A 801 PRO MET HIS PHE TRP ALA LEU PHE TYR PRO LYS ARG ALA SEQRES 35 A 801 MET ASP GLN ALA ARG GLU LEU VAL ASN MET LEU GLU LYS SEQRES 36 A 801 ILE ALA GLY PRO ILE GLY MET ARG ILE SER PRO PRO ALA SEQRES 37 A 801 TRP VAL GLU LEU LYS ASP ASP ARG ILE GLU THR TYR ILE SEQRES 38 A 801 ARG THR ILE GLN SER LEU LEU GLY VAL GLU GLY LYS ILE SEQRES 39 A 801 GLN MET VAL VAL CYS ILE ILE MET GLY THR ARG ASP ASP SEQRES 40 A 801 LEU TYR GLY ALA ILE LYS LYS LEU CYS CYS VAL GLN SER SEQRES 41 A 801 PRO VAL PRO SER GLN VAL ILE ASN VAL ARG THR ILE GLY SEQRES 42 A 801 GLN PRO THR ARG LEU ARG SER VAL ALA GLN LYS ILE LEU SEQRES 43 A 801 LEU GLN MET ASN CYS LYS LEU GLY GLY GLU LEU TRP GLY SEQRES 44 A 801 VAL ASP ILE PRO LEU LYS GLN LEU MET VAL ILE GLY MET SEQRES 45 A 801 ASP VAL TYR HIS ASP PRO SER ARG GLY MET ARG SER VAL SEQRES 46 A 801 VAL GLY PHE VAL ALA SER ILE ASN LEU THR LEU THR LYS SEQRES 47 A 801 TRP TYR SER ARG VAL VAL PHE GLN MET PRO HIS GLN GLU SEQRES 48 A 801 ILE VAL ASP SER LEU LYS LEU CYS LEU VAL GLY SER LEU SEQRES 49 A 801 LYS LYS TYR TYR GLU VAL ASN HIS CYS LEU PRO GLU LYS SEQRES 50 A 801 ILE VAL VAL TYR ARG ASP GLY VAL SER ASP GLY GLN LEU SEQRES 51 A 801 LYS THR VAL ALA ASN TYR GLU ILE PRO GLN LEU GLN LYS SEQRES 52 A 801 CYS PHE GLU ALA PHE ASP ASN TYR HIS PRO LYS MET VAL SEQRES 53 A 801 VAL PHE VAL VAL GLN LYS LYS ILE SER THR ASN LEU TYR SEQRES 54 A 801 LEU ALA ALA PRO ASP HIS PHE VAL THR PRO SER PRO GLY SEQRES 55 A 801 THR VAL VAL ASP HIS THR ILE THR SER CYS GLU TRP VAL SEQRES 56 A 801 ASP PHE TYR LEU LEU ALA HIS HIS VAL ARG GLN GLY CYS SEQRES 57 A 801 GLY ILE PRO THR HIS TYR ILE CYS VAL LEU ASN THR ALA SEQRES 58 A 801 ASN LEU SER PRO ASP HIS MET GLN ARG LEU THR PHE LYS SEQRES 59 A 801 LEU CYS HIS MET TYR TRP ASN TRP PRO GLY THR ILE ARG SEQRES 60 A 801 VAL PRO ALA PRO CYS LYS TYR ALA HIS LYS LEU ALA PHE SEQRES 61 A 801 LEU SER GLY GLN ILE LEU HIS HIS GLU PRO ALA ILE GLN SEQRES 62 A 801 LEU CYS GLY ASN LEU PHE PHE LEU SEQRES 1 B 26 U U A C C A U C A A C A U SEQRES 2 B 26 G G A A A C U U G G C U OMC HET OMC B 26 21 HET MG A1001 1 HET MG A1002 1 HETNAM OMC O2'-METHYLYCYTIDINE-5'-MONOPHOSPHATE HETNAM MG MAGNESIUM ION FORMUL 2 OMC C10 H16 N3 O8 P FORMUL 3 MG 2(MG 2+) HELIX 1 AA1 CYS A 251 HIS A 262 1 12 HELIX 2 AA2 HIS A 262 GLY A 267 1 6 HELIX 3 AA3 SER A 314 LEU A 316 5 3 HELIX 4 AA4 CYS A 317 LEU A 331 1 15 HELIX 5 AA5 PRO A 344 ALA A 347 5 4 HELIX 6 AA6 SER A 387 ASN A 399 1 13 HELIX 7 AA7 HIS A 402 SER A 414 1 13 HELIX 8 AA8 PHE A 450 TYR A 458 1 9 HELIX 9 AA9 PRO A 502 ASP A 508 1 7 HELIX 10 AB1 PHE A 509 ASN A 520 1 12 HELIX 11 AB2 SER A 522 ASN A 540 1 19 HELIX 12 AB3 ASN A 540 ARG A 549 1 10 HELIX 13 AB4 TRP A 586 ASP A 593 1 8 HELIX 14 AB5 PRO A 609 ARG A 611 5 3 HELIX 15 AB6 ALA A 612 GLY A 631 1 20 HELIX 16 AB7 ARG A 646 GLU A 661 1 16 HELIX 17 AB8 ARG A 675 VAL A 688 1 14 HELIX 18 AB9 VAL A 699 GLN A 704 1 6 HELIX 19 AC1 LEU A 708 GLY A 724 1 17 HELIX 20 AC2 GLU A 781 HIS A 802 1 22 HELIX 21 AC3 SER A 816 GLY A 818 5 3 HELIX 22 AC4 GLN A 819 TYR A 826 1 8 HELIX 23 AC5 TYR A 826 LYS A 833 1 8 HELIX 24 AC6 CYS A 834 PHE A 838 5 5 HELIX 25 AC7 SER A 914 CYS A 926 1 13 HELIX 26 AC8 PRO A 939 ILE A 955 1 17 HELIX 27 AC9 ALA A 961 ASN A 967 5 7 SHEET 1 AA112 TRP A 769 PHE A 775 0 SHEET 2 AA112 VAL A 755 SER A 761 -1 N VAL A 756 O VAL A 774 SHEET 3 AA112 LEU A 737 TYR A 745 -1 N TYR A 745 O VAL A 755 SHEET 4 AA112 LYS A 807 ASP A 813 1 O VAL A 809 N ILE A 740 SHEET 5 AA112 LYS A 844 GLN A 851 1 O PHE A 848 N VAL A 810 SHEET 6 AA112 THR A 902 ASN A 909 -1 O LEU A 908 N VAL A 847 SHEET 7 AA112 VAL A 885 LEU A 890 -1 N VAL A 885 O CYS A 906 SHEET 8 AA112 THR A 873 VAL A 875 -1 N VAL A 875 O TYR A 888 SHEET 9 AA112 LYS A 560 LEU A 565 -1 N ARG A 564 O VAL A 874 SHEET 10 AA112 THR A 220 LEU A 226 -1 N GLN A 222 O GLY A 563 SHEET 11 AA112 LEU A 858 ALA A 861 -1 O ALA A 861 N SER A 223 SHEET 12 AA112 PHE A 866 VAL A 867 -1 O VAL A 867 N LEU A 860 SHEET 1 AA2 4 LYS A 335 VAL A 337 0 SHEET 2 AA2 4 ASN A 340 TYR A 342 -1 O TYR A 342 N LYS A 335 SHEET 3 AA2 4 LEU A 355 THR A 368 -1 O TYR A 361 N PHE A 341 SHEET 4 AA2 4 MET A 348 LEU A 350 -1 N MET A 348 O ILE A 357 SHEET 1 AA3 6 LYS A 335 VAL A 337 0 SHEET 2 AA3 6 ASN A 340 TYR A 342 -1 O TYR A 342 N LYS A 335 SHEET 3 AA3 6 LEU A 355 THR A 368 -1 O TYR A 361 N PHE A 341 SHEET 4 AA3 6 GLY A 371 ARG A 384 -1 O LEU A 375 N SER A 364 SHEET 5 AA3 6 LEU A 228 CYS A 233 -1 N ILE A 229 O LEU A 374 SHEET 6 AA3 6 LEU A 552 LEU A 554 -1 O SER A 553 N GLN A 232 SHEET 1 AA4 5 ALA A 271 PHE A 272 0 SHEET 2 AA4 5 ILE A 276 LEU A 279 -1 O TYR A 278 N ALA A 271 SHEET 3 AA4 5 VAL A 238 SER A 246 -1 N TYR A 241 O LEU A 277 SHEET 4 AA4 5 GLU A 299 LEU A 310 -1 O LEU A 310 N VAL A 238 SHEET 5 AA4 5 VAL A 286 GLN A 292 -1 N LEU A 289 O ILE A 302 SHEET 1 AA5 3 ARG A 423 TYR A 425 0 SHEET 2 AA5 3 VAL A 416 THR A 418 -1 N VAL A 416 O TYR A 425 SHEET 3 AA5 3 SER A 496 MET A 498 -1 O PHE A 497 N ILE A 417 SHEET 1 AA6 3 ASP A 429 ASP A 431 0 SHEET 2 AA6 3 LEU A 469 HIS A 472 -1 O ILE A 471 N ASP A 429 SHEET 3 AA6 3 ILE A 489 LEU A 491 -1 O LEU A 491 N LEU A 470 SHEET 1 AA7 2 SER A 439 PHE A 440 0 SHEET 2 AA7 2 ILE A 448 THR A 449 -1 O ILE A 448 N PHE A 440 SHEET 1 AA8 2 ARG A 570 ASN A 572 0 SHEET 2 AA8 2 SER A 577 VAL A 579 -1 O PHE A 578 N ILE A 571 SHEET 1 AA9 4 ALA A 638 GLU A 641 0 SHEET 2 AA9 4 TRP A 604 TYR A 608 1 N LEU A 606 O ALA A 638 SHEET 3 AA9 4 MET A 666 ILE A 671 1 O VAL A 668 N PHE A 607 SHEET 4 AA9 4 SER A 694 ASN A 698 1 O GLN A 695 N CYS A 669 LINK O3' U B 25 P OMC B 26 1555 1555 1.61 LINK OD1 ASP A 743 MG MG A1002 1555 1555 2.43 LINK OD2 ASP A 743 MG MG A1002 1555 1555 2.04 LINK O LEU A 971 MG MG A1001 1555 1555 1.90 LINK OXT LEU A 971 MG MG A1001 1555 1555 2.97 LINK MG MG A1001 OP1 U B 1 1555 1555 1.89 LINK MG MG A1001 OP1 A B 3 1555 1555 2.11 CISPEP 1 SER A 246 PRO A 247 0 -6.78 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