7a4v

Crystal structure of lid-truncated ADP-bound BiP in an oligomeric state

Method: X-RAY DIFFRACTION Dmax: 128.2 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

Endoplasmic reticulum chaperone BiP

Cricetulus griseus

UniProt G3I8R9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 28–549 Mutation:T229A, V461F ADP ADENOSINE-5'-DIPHOSPHATE × 2 GOL GLYCEROL × 4 K POTASSIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;298 K;0.2 M potassium citrate tribasic monohydrate, 20% PEG 3350 Resolution 1.94 Å R-free 0.226

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

12 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

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.

SAXS scattering curve SAXS Profile

SAXS profile for 7a4v

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7a4v
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7a4v
Deposition date deposition_date2020-08-20
Structure title titleCrystal structure of lid-truncated ADP-bound BiP in an oligomeric state
Keywords keywordsER, Endoplasmic reticulum, Hsp70, GRP78, CHAPERONE; CHAPERONE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier35.60
Radius of gyration Rg (electron density) rg_electron36.65
Forward intensity I(0) i051100100.00
Molecular weight molecular_weight56525.0 kDa
Excluded volume excluded_volume70840 ų
Envelope volume envelope_volume98575 ų
Hydration-shell volume shell_volume26524 ų
Envelope diameter envelope_diameter131.6
Shell Rg shell_rg35.73
Envelope Rg envelope_rg36.95
Shape Rg shape_rg36.66
Total Rg total_rg36.53
Total atoms total_atoms3977
Residues n_residues521
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax128.2
Rg (real space) rg_real36.42
Rg uncertainty (real space) rg_real_error1.74
I(0) (real space) i0_real5.1100e+07
I(0) uncertainty (real space) i0_real_error1.0380e+06
Rg (reciprocal space) rg_reciprocal35.92
I(0) (reciprocal space) i0_reciprocal51080000.0000
Solution quality estimate total_estimate0.6397
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.2
Skewness Skewness skewness0.692
Kurtosis Kurtosis kurtosis-0.474
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6898000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.165; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.089; Smooth: 0.728

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id7a4vA01
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

8. Citations (1)

9. Files and Curves (10)