8do1

Cryo-EM structure of the human Sec61 complex inhibited by ipomoeassin F

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Protein transport protein Sec61 subunit alpha isoform 1

Homo sapiens

UniProt P61619

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Protein transport protein Sec61 subunit gamma × 1 (P60059) Protein transport protein Sec61 subunit beta × 1 (P60468) ;[(1~{S},3~{R},4~{S},5~{R},6~{R},8~{R},10~{S},23~{R},24~{R},25~{R},26~{R})-5-acetyloxy-6-methyl-4,26-bis(oxidanyl)-17,20-bis(oxidanylidene)-10-pentyl-24-[(~{E})-3-phenylprop-2-enoyl]oxy-2,7,9,21,27-pentaoxatricyclo[21.3.1.0^{3,8}]heptacosan-25-yl] (~{E})-2-methylbut-2-enoate ; × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name S61A1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–476; UniProt 1–476

Protein transport protein Sec61 subunit gamma

Homo sapiens

UniProt P60059

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Protein transport protein Sec61 subunit alpha isoform 1 × 1 (P61619) Protein transport protein Sec61 subunit beta × 1 (P60468) ;[(1~{S},3~{R},4~{S},5~{R},6~{R},8~{R},10~{S},23~{R},24~{R},25~{R},26~{R})-5-acetyloxy-6-methyl-4,26-bis(oxidanyl)-17,20-bis(oxidanylidene)-10-pentyl-24-[(~{E})-3-phenylprop-2-enoyl]oxy-2,7,9,21,27-pentaoxatricyclo[21.3.1.0^{3,8}]heptacosan-25-yl] (~{E})-2-methylbut-2-enoate ; × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SC61G_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–68; UniProt 1–68

Protein transport protein Sec61 subunit beta

Homo sapiens

UniProt P60468

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Protein transport protein Sec61 subunit alpha isoform 1 × 1 (P61619) Protein transport protein Sec61 subunit gamma × 1 (P60059) ;[(1~{S},3~{R},4~{S},5~{R},6~{R},8~{R},10~{S},23~{R},24~{R},25~{R},26~{R})-5-acetyloxy-6-methyl-4,26-bis(oxidanyl)-17,20-bis(oxidanylidene)-10-pentyl-24-[(~{E})-3-phenylprop-2-enoyl]oxy-2,7,9,21,27-pentaoxatricyclo[21.3.1.0^{3,8}]heptacosan-25-yl] (~{E})-2-methylbut-2-enoate ; × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SC61B_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–96; UniProt 1–96

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id8do1
Deposition date deposition_date2022-07-12
Structure title titleCryo-EM structure of the human Sec61 complex inhibited by ipomoeassin F
Keywords keywordstranslocon, inhibitor, protein translocation, PROTEIN TRANSPORT, PROTEIN TRANSPORT-INHIBITOR complex; PROTEIN TRANSPORT/INHIBITOR
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8do1__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8do1__assembly_1__model_1 | I(q)

10-2 10-1 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8do1__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)26.31 Å
Rg (electron density)25.06 Å
Total Rg26.10 Å
Atom count4400
Residues551
Excluded volume79814 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8do1__assembly_1__model_1 trimeric (3) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (5)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id8do1A01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology3370 — Preprotein translocase SecY subunit
Homologous superfamily homologous superfamily10 — SecY subunit domain
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7. Citations (1)