HEADER PROTEIN TRANSPORT/INHIBITOR 12-JUL-22 8DO1 TITLE CRYO-EM STRUCTURE OF THE HUMAN SEC61 COMPLEX INHIBITED BY IPOMOEASSIN TITLE 2 F COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN TRANSPORT PROTEIN SEC61 SUBUNIT ALPHA ISOFORM 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SEC61 ALPHA-1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: PROTEIN TRANSPORT PROTEIN SEC61 SUBUNIT GAMMA; COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: PROTEIN TRANSPORT PROTEIN SEC61 SUBUNIT BETA; COMPND 13 CHAIN: C; COMPND 14 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SEC61A1, SEC61A; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PFASTBAC; SOURCE 12 MOL_ID: 2; SOURCE 13 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 14 ORGANISM_COMMON: HUMAN; SOURCE 15 ORGANISM_TAXID: 9606; SOURCE 16 GENE: SEC61G; SOURCE 17 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 18 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 19 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 20 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 21 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS; SOURCE 22 EXPRESSION_SYSTEM_PLASMID: PFASTBAC; SOURCE 23 MOL_ID: 3; SOURCE 24 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 25 ORGANISM_COMMON: HUMAN; SOURCE 26 ORGANISM_TAXID: 9606; SOURCE 27 GENE: SEC61B; SOURCE 28 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 29 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 30 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS TRANSLOCON, INHIBITOR, PROTEIN TRANSLOCATION, PROTEIN TRANSPORT, KEYWDS 2 PROTEIN TRANSPORT-INHIBITOR COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR E.PARK,S.ITSKANOV REVDAT 2 06-SEP-23 8DO1 1 JRNL REVDAT 1 24-MAY-23 8DO1 0 JRNL AUTH S.ITSKANOV,L.WANG,T.JUNNE,R.SHERRIFF,L.XIAO,N.BLANCHARD, JRNL AUTH 2 W.Q.SHI,C.FORSYTH,D.HOEPFNER,M.SPIESS,E.PARK JRNL TITL A COMMON MECHANISM OF SEC61 TRANSLOCON INHIBITION BY SMALL JRNL TITL 2 MOLECULES. JRNL REF NAT.CHEM.BIOL. V. 19 1063 2023 JRNL REFN ESSN 1552-4469 JRNL PMID 37169959 JRNL DOI 10.1038/S41589-023-01337-Y REMARK 2 REMARK 2 RESOLUTION. 3.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : WARP, SERIALEM, WARP, CRYOSPARC, COOT, REMARK 3 PHENIX, CRYOSPARC, CRYOSPARC, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : FOURIER SPACE REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT 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) : 3.010 REMARK 3 NUMBER OF PARTICLES : 324612 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 8DO1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUL-22. REMARK 100 THE DEPOSITION ID IS D_1000266969. 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 : A HUMAN-YEAST CHIMERIC SEC REMARK 245 COMPLEX TREATED WITH REMARK 245 IPOMOEASSIN F REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 10.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : BLOT FOR 4 SECONDS BEFORE REMARK 245 PLUNGING REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 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) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1600.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 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 : 81000 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: A, B, C 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 1 REMARK 465 ALA A 2 REMARK 465 ASP A 326 REMARK 465 THR A 327 REMARK 465 SER A 328 REMARK 465 SER A 329 REMARK 465 GLY A 330 REMARK 465 GLY A 331 REMARK 465 PRO A 332 REMARK 465 ALA A 333 REMARK 465 GLY A 469 REMARK 465 SER A 470 REMARK 465 MET A 471 REMARK 465 GLY A 472 REMARK 465 ALA A 473 REMARK 465 LEU A 474 REMARK 465 LEU A 475 REMARK 465 PHE A 476 REMARK 465 MET B 1 REMARK 465 ASP B 2 REMARK 465 GLN B 3 REMARK 465 VAL B 4 REMARK 465 MET B 5 REMARK 465 GLY B 67 REMARK 465 GLY B 68 REMARK 465 MET C 1 REMARK 465 PRO C 2 REMARK 465 GLY C 3 REMARK 465 PRO C 4 REMARK 465 THR C 5 REMARK 465 PRO C 6 REMARK 465 SER C 7 REMARK 465 GLY C 8 REMARK 465 THR C 9 REMARK 465 ASN C 10 REMARK 465 VAL C 11 REMARK 465 GLY C 12 REMARK 465 SER C 13 REMARK 465 SER C 14 REMARK 465 GLY C 15 REMARK 465 ARG C 16 REMARK 465 SER C 17 REMARK 465 PRO C 18 REMARK 465 SER C 19 REMARK 465 LYS C 20 REMARK 465 ALA C 21 REMARK 465 VAL C 22 REMARK 465 ALA C 23 REMARK 465 ALA C 24 REMARK 465 ARG C 25 REMARK 465 ALA C 26 REMARK 465 ALA C 27 REMARK 465 GLY C 28 REMARK 465 SER C 29 REMARK 465 THR C 30 REMARK 465 VAL C 31 REMARK 465 ARG C 32 REMARK 465 GLN C 33 REMARK 465 ARG C 34 REMARK 465 LYS C 35 REMARK 465 ASN C 36 REMARK 465 ALA C 37 REMARK 465 SER C 38 REMARK 465 CYS C 39 REMARK 465 GLY C 40 REMARK 465 THR C 41 REMARK 465 ARG C 42 REMARK 465 SER C 43 REMARK 465 ALA C 44 REMARK 465 GLY C 45 REMARK 465 ARG C 46 REMARK 465 THR C 47 REMARK 465 THR C 48 REMARK 465 SER C 49 REMARK 465 ALA C 50 REMARK 465 GLY C 51 REMARK 465 THR C 52 REMARK 465 GLY C 53 REMARK 465 GLY C 54 REMARK 465 MET C 55 REMARK 465 TRP C 56 REMARK 465 ARG C 57 REMARK 465 PHE C 58 REMARK 465 TYR C 59 REMARK 465 THR C 60 REMARK 465 GLU C 61 REMARK 465 ASP C 62 REMARK 465 SER C 63 REMARK 465 PRO C 64 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 ILE A 3 CG1 CG2 CD1 REMARK 470 PHE A 12 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLN B 6 CG CD OE1 NE2 REMARK 470 GLU B 9 CG CD OE1 OE2 REMARK 470 ARG B 12 CG CD NE CZ NH1 NH2 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 OE1 GLU A 78 OH TYR A 137 2.08 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 MET A 77 52.48 -91.84 REMARK 500 THR A 134 33.07 -97.14 REMARK 500 TYR A 137 -0.98 69.33 REMARK 500 TYR A 235 42.27 -109.06 REMARK 500 ASN A 288 14.81 -140.78 REMARK 500 PHE A 312 41.89 -108.99 REMARK 500 SER A 408 55.81 -92.20 REMARK 500 ILE A 416 -55.98 -124.61 REMARK 500 SER A 443 168.01 68.92 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-27587 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE HUMAN SEC61 COMPLEX INHIBITED BY REMARK 900 IPOMOEASSIN F DBREF 8DO1 A 1 476 UNP P61619 S61A1_HUMAN 1 476 DBREF 8DO1 B 1 68 UNP P60059 SC61G_HUMAN 1 68 DBREF 8DO1 C 1 96 UNP P60468 SC61B_HUMAN 1 96 SEQADV 8DO1 TYR A 263 UNP P61619 VAL 263 CONFLICT SEQADV 8DO1 GLU A 264 UNP P61619 ASP 264 ENGINEERED MUTATION SEQADV 8DO1 ARG A 268 UNP P61619 LYS 268 ENGINEERED MUTATION SEQADV 8DO1 THR A 270 UNP P61619 ALA 270 ENGINEERED MUTATION SEQADV 8DO1 LYS A 271 UNP P61619 ARG 271 ENGINEERED MUTATION SEQADV 8DO1 VAL A 272 UNP P61619 TYR 272 ENGINEERED MUTATION SEQADV 8DO1 ILE A 276 UNP P61619 TYR 276 ENGINEERED MUTATION SEQADV 8DO1 GLY A 277 UNP P61619 ASN 277 ENGINEERED MUTATION SEQADV 8DO1 ILE A 278 UNP P61619 THR 278 ENGINEERED MUTATION SEQADV 8DO1 PRO A 387 UNP P61619 ALA 387 CONFLICT SEQADV 8DO1 ARG A 388 UNP P61619 LYS 388 CONFLICT SEQADV 8DO1 ILE A 390 UNP P61619 VAL 390 CONFLICT SEQADV 8DO1 PHE A 394 UNP P61619 LEU 394 ENGINEERED MUTATION SEQADV 8DO1 ASP A 396 UNP P61619 GLU 396 CONFLICT SEQADV 8DO1 GLY A 398 UNP P61619 GLN 398 CONFLICT SEQADV 8DO1 ILE A 401 UNP P61619 MET 401 ENGINEERED MUTATION SEQADV 8DO1 ASN A 402 UNP P61619 ARG 402 ENGINEERED MUTATION SEQADV 8DO1 LYS A 404 UNP P61619 HIS 404 ENGINEERED MUTATION SEQADV 8DO1 ILE A 409 UNP P61619 MET 409 ENGINEERED MUTATION SEQADV 8DO1 TYR A 410 UNP P61619 VAL 410 ENGINEERED MUTATION SEQADV 8DO1 ARG A 411 UNP P61619 HIS 411 ENGINEERED MUTATION SEQADV 8DO1 LYS A 414 UNP P61619 ASN 414 CONFLICT SEQADV 8DO1 LYS A 415 UNP P61619 ARG 415 CONFLICT SEQADV 8DO1 ILE A 416 UNP P61619 TYR 416 CONFLICT SEQRES 1 A 476 MET ALA ILE LYS PHE LEU GLU VAL ILE LYS PRO PHE CYS SEQRES 2 A 476 VAL ILE LEU PRO GLU ILE GLN LYS PRO GLU ARG LYS ILE SEQRES 3 A 476 GLN PHE LYS GLU LYS VAL LEU TRP THR ALA ILE THR LEU SEQRES 4 A 476 PHE ILE PHE LEU VAL CYS CYS GLN ILE PRO LEU PHE GLY SEQRES 5 A 476 ILE MET SER SER ASP SER ALA ASP PRO PHE TYR TRP MET SEQRES 6 A 476 ARG VAL ILE LEU ALA SER ASN ARG GLY THR LEU MET GLU SEQRES 7 A 476 LEU GLY ILE SER PRO ILE VAL THR SER GLY LEU ILE MET SEQRES 8 A 476 GLN LEU LEU ALA GLY ALA LYS ILE ILE GLU VAL GLY ASP SEQRES 9 A 476 THR PRO LYS ASP ARG ALA LEU PHE ASN GLY ALA GLN LYS SEQRES 10 A 476 LEU PHE GLY MET ILE ILE THR ILE GLY GLN SER ILE VAL SEQRES 11 A 476 TYR VAL MET THR GLY MET TYR GLY ASP PRO SER GLU MET SEQRES 12 A 476 GLY ALA GLY ILE CYS LEU LEU ILE THR ILE GLN LEU PHE SEQRES 13 A 476 VAL ALA GLY LEU ILE VAL LEU LEU LEU ASP GLU LEU LEU SEQRES 14 A 476 GLN LYS GLY TYR GLY LEU GLY SER GLY ILE SER LEU PHE SEQRES 15 A 476 ILE ALA THR ASN ILE CYS GLU THR ILE VAL TRP LYS ALA SEQRES 16 A 476 PHE SER PRO THR THR VAL ASN THR GLY ARG GLY MET GLU SEQRES 17 A 476 PHE GLU GLY ALA ILE ILE ALA LEU PHE HIS LEU LEU ALA SEQRES 18 A 476 THR ARG THR ASP LYS VAL ARG ALA LEU ARG GLU ALA PHE SEQRES 19 A 476 TYR ARG GLN ASN LEU PRO ASN LEU MET ASN LEU ILE ALA SEQRES 20 A 476 THR ILE PHE VAL PHE ALA VAL VAL ILE TYR PHE GLN GLY SEQRES 21 A 476 PHE ARG TYR GLU LEU PRO ILE ARG SER THR LYS VAL ARG SEQRES 22 A 476 GLY GLN ILE GLY ILE TYR PRO ILE LYS LEU PHE TYR THR SEQRES 23 A 476 SER ASN ILE PRO ILE ILE LEU GLN SER ALA LEU VAL SER SEQRES 24 A 476 ASN LEU TYR VAL ILE SER GLN MET LEU SER ALA ARG PHE SEQRES 25 A 476 SER GLY ASN LEU LEU VAL SER LEU LEU GLY THR TRP SER SEQRES 26 A 476 ASP THR SER SER GLY GLY PRO ALA ARG ALA TYR PRO VAL SEQRES 27 A 476 GLY GLY LEU CYS TYR TYR LEU SER PRO PRO GLU SER PHE SEQRES 28 A 476 GLY SER VAL LEU GLU ASP PRO VAL HIS ALA VAL VAL TYR SEQRES 29 A 476 ILE VAL PHE MET LEU GLY SER CYS ALA PHE PHE SER LYS SEQRES 30 A 476 THR TRP ILE GLU VAL SER GLY SER SER PRO ARG ASP ILE SEQRES 31 A 476 ALA LYS GLN PHE LYS ASP GLN GLY MET VAL ILE ASN GLY SEQRES 32 A 476 LYS ARG GLU THR SER ILE TYR ARG GLU LEU LYS LYS ILE SEQRES 33 A 476 ILE PRO THR ALA ALA ALA PHE GLY GLY LEU CYS ILE GLY SEQRES 34 A 476 ALA LEU SER VAL LEU ALA ASP PHE LEU GLY ALA ILE GLY SEQRES 35 A 476 SER GLY THR GLY ILE LEU LEU ALA VAL THR ILE ILE TYR SEQRES 36 A 476 GLN TYR PHE GLU ILE PHE VAL LYS GLU GLN SER GLU VAL SEQRES 37 A 476 GLY SER MET GLY ALA LEU LEU PHE SEQRES 1 B 68 MET ASP GLN VAL MET GLN PHE VAL GLU PRO SER ARG GLN SEQRES 2 B 68 PHE VAL LYS ASP SER ILE ARG LEU VAL LYS ARG CYS THR SEQRES 3 B 68 LYS PRO ASP ARG LYS GLU PHE GLN LYS ILE ALA MET ALA SEQRES 4 B 68 THR ALA ILE GLY PHE ALA ILE MET GLY PHE ILE GLY PHE SEQRES 5 B 68 PHE VAL LYS LEU ILE HIS ILE PRO ILE ASN ASN ILE ILE SEQRES 6 B 68 VAL GLY GLY SEQRES 1 C 96 MET PRO GLY PRO THR PRO SER GLY THR ASN VAL GLY SER SEQRES 2 C 96 SER GLY ARG SER PRO SER LYS ALA VAL ALA ALA ARG ALA SEQRES 3 C 96 ALA GLY SER THR VAL ARG GLN ARG LYS ASN ALA SER CYS SEQRES 4 C 96 GLY THR ARG SER ALA GLY ARG THR THR SER ALA GLY THR SEQRES 5 C 96 GLY GLY MET TRP ARG PHE TYR THR GLU ASP SER PRO GLY SEQRES 6 C 96 LEU LYS VAL GLY PRO VAL PRO VAL LEU VAL MET SER LEU SEQRES 7 C 96 LEU PHE ILE ALA SER VAL PHE MET LEU HIS ILE TRP GLY SEQRES 8 C 96 LYS TYR THR ARG SER HET SXF A 501 121 HETNAM SXF [(1~{S},3~{R},4~{S},5~{R},6~{R},8~{R},10~{S},23~{R}, HETNAM 2 SXF 24~{R},25~{R},26~{R})-5-ACETYLOXY-6-METHYL-4,26- HETNAM 3 SXF BIS(OXIDANYL)-17,20-BIS(OXIDANYLIDENE)-10-PENTYL-24- HETNAM 4 SXF [(~{E})-3-PHENYLPROP-2-ENOYL]OXY-2,7,9,21,27- HETNAM 5 SXF PENTAOXATRICYCLO[21.3.1.0^{3,8}]HEPTACOSAN-25-YL] HETNAM 6 SXF (~{E})-2-METHYLBUT-2-ENOATE HETSYN SXF IPOMOEASSIN F FORMUL 4 SXF C44 H62 O15 FORMUL 5 HOH *(H2 O) HELIX 1 AA1 LYS A 4 VAL A 14 1 11 HELIX 2 AA2 GLN A 27 CYS A 46 1 20 HELIX 3 AA3 ILE A 81 ALA A 97 1 17 HELIX 4 AA4 THR A 105 THR A 134 1 30 HELIX 5 AA5 ASP A 139 GLY A 144 1 6 HELIX 6 AA6 GLY A 144 GLY A 172 1 29 HELIX 7 AA7 SER A 177 SER A 197 1 21 HELIX 8 AA8 GLY A 211 THR A 224 1 14 HELIX 9 AA9 LYS A 226 TYR A 235 1 10 HELIX 10 AB1 ASN A 241 GLY A 260 1 20 HELIX 11 AB2 ASN A 288 PHE A 312 1 25 HELIX 12 AB3 ASN A 315 GLY A 322 1 8 HELIX 13 AB4 GLY A 340 LEU A 345 1 6 HELIX 14 AB5 SER A 350 ASP A 357 1 8 HELIX 15 AB6 ASP A 357 SER A 383 1 27 HELIX 16 AB7 SER A 386 GLY A 398 1 13 HELIX 17 AB8 ILE A 409 LYS A 415 1 7 HELIX 18 AB9 ILE A 416 GLY A 439 1 24 HELIX 19 AC1 GLY A 442 VAL A 468 1 27 HELIX 20 AC2 PHE B 7 CYS B 25 1 19 HELIX 21 AC3 ASP B 29 VAL B 66 1 38 HELIX 22 AC4 PRO C 70 SER C 96 1 27 SHEET 1 AA1 2 GLU A 18 ILE A 19 0 SHEET 2 AA1 2 LYS C 67 VAL C 68 1 O VAL C 68 N GLU A 18 SHEET 1 AA2 3 GLY A 277 LYS A 282 0 SHEET 2 AA2 3 ARG A 262 SER A 269 -1 N LEU A 265 O TYR A 279 SHEET 3 AA2 3 MET A 399 ILE A 401 -1 O VAL A 400 N ARG A 268 SHEET 1 AA3 2 THR A 323 SER A 325 0 SHEET 2 AA3 2 TYR A 336 GLY A 339 -1 O GLY A 339 N THR A 323 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 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