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6th3

Cryo-EM structure of p62-PB1 filament (S-type)

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

Sequestosome-1

Homo sapiens

UniProt Q13501

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 75 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1q02 2jy7 2jy8 2k0b 5yp7 5yp7 6khz 6khz 6khz 6khz 6miu 6miu

13 assemblies; showing the first 12

Homodimer
2knv 6jm4 6jm4

3 assemblies

Homotetramer
4uf8 4uf8

2 assemblies

Other homooligomers
4uf8 4uf9 4uf9 4uf9 6tgy 6th3 9hge

7 assemblies

Heteromeric or nucleic-acid complex
4mjs 4mjs 4mjs 4mjs 4mjs 4mjs 4mjs 4mjs 4mjs 4mjs 4mjs 4mjs

42 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name SQSTM_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–122； UniProt 1–122 Author chain B； PDBConstruct 1–122； UniProt 1–122 Author chain C； PDBConstruct 1–122； UniProt 1–122

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_id6th3
Deposition date deposition_date2019-11-18
Structure title titleCryo-EM structure of p62-PB1 filament (S-type)
Keywords keywordsAutophagy, CYTOSOLIC PROTEIN; CYTOSOLIC PROTEIN
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.

6th3__assembly_1__model_1

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

Download this curve (.dat)

6th3__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6th3__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）92.05 Å
Rg (electron density)92.32 Å
Total Rg92.25 Å
Atom count60600
Residues7800
Excluded volume1074200 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6th3__assembly_1__model_1 75-meric （75） 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 (1)

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id6th3A00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
Domain ID domain_id6th3B00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
Domain ID domain_id6th3C00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
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7. Citations (1)