7a4u

Crystal structure of lid-truncated apo BiP in an oligomeric state

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Endoplasmic reticulum chaperone BiP

Cricetulus griseus

UniProt G3I8R9

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 GLYCEROL × 12 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name BIP_CRIGR
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–523; UniProt 28–549

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_id7a4u
Deposition date deposition_date2020-08-20
Structure title titleCrystal structure of lid-truncated apo BiP in an oligomeric state
Keywords keywordsER, Endoplasmic reticulum, Hsp70, GRP78, CHAPERONE; CHAPERONE
Experimental Method methodX-RAY DIFFRACTION
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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.

7a4u__assembly_1__model_1

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

Download this curve (.dat)

7a4u__assembly_1__model_1 | I(q)

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

7a4u__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)48.75 Å
Rg (electron density)48.91 Å
Total Rg48.79 Å
Atom count8010
Residues1046
Excluded volume142870 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7a4u__assembly_1__model_1 dimeric (2) 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 (3)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id7a4uA01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id7a4uA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology34 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Substrate Binding Domain Of DNAk; Chain A, domain 1
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7. Citations (1)