8xek

Cryo-EM structure of integrin ITGAV/ITGB3 complex, conformation 2

Method: ELECTRON MICROSCOPY Dmax: 123.6 Å Quality: GOOD

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

Integrin alpha-V

Homo sapiens

UniProt P06756

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–1048 Not recorded Integrin beta-3 × 1 (P05106) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.90 Å

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.

55 other PDB entries and 65 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ITAV_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1048; UniProt 1–1048

Integrin beta-3

Homo sapiens

UniProt P05106

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–788 Not recorded Integrin alpha-V × 1 (P06756) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.90 Å

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.

124 other PDB entries and 176 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ITB3_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–788; UniProt 1–788

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 8xek

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8xek
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8xek
Deposition date deposition_date2023-12-12
最后修订 last_revision2024-12-18
Structure title titleCryo-EM structure of integrin ITGAV/ITGB3 complex, conformation 2
Keywords keywordsMEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier37.70
Radius of gyration Rg (electron density) rg_electron37.03
Forward intensity I(0) i0223519000.00
Molecular weight molecular_weight118100.0 kDa
Excluded volume excluded_volume146710 ų
Envelope volume envelope_volume201500 ų
Hydration-shell volume shell_volume46120 ų
Envelope diameter envelope_diameter125.5
Shell Rg shell_rg42.19
Envelope Rg envelope_rg36.80
Shape Rg shape_rg36.98
Total Rg total_rg37.57
Total atoms total_atoms10130
Residues n_residues1073
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 dmax123.6
Rg (real space) rg_real37.72
Rg uncertainty (real space) rg_real_error1.02
I(0) (real space) i0_real2.2350e+08
I(0) uncertainty (real space) i0_real_error3.5110e+06
Rg (reciprocal space) rg_reciprocal37.71
I(0) (reciprocal space) i0_reciprocal223500000.0000
Solution quality estimate total_estimate0.8977
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary41.2
Skewness Skewness skewness0.264
Kurtosis Kurtosis kurtosis-0.602
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha25610000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.931; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.887

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)