1rkc

Human vinculin head (1-258) in complex with talin's vinculin binding site 3 (residues 1944-1969)

Method: X-RAY DIFFRACTION Dmax: 100.8 Å Quality: REASONABLE

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

Vinculin

Homo sapiens

UniProt P18206

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 1–258 Fragment:vinculin head (residues 1-258) Talin × 1 (P54939) X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;293 K;2% MPD; 100 mM citric acid (pH 4); 100 mM CdCl2, pH 4.0, temperature 293K Resolution 2.70 Å R-free 0.335

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.

32 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VINC_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–262; UniProt 1–258

Talin

Gallus gallus

UniProt P54939

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 1944–1969 Fragment:binding site 3 (residues 1944-1969) Vinculin × 1 (P18206) X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;293 K;2% MPD; 100 mM citric acid (pH 4); 100 mM CdCl2, pH 4.0, temperature 293K Resolution 2.70 Å R-free 0.335

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.

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

View Construct and Data Evidence
UniProt name TLN1_CHICK
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–26; UniProt 1944–1969

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 1rkc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1rkc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1rkc
Deposition date deposition_date2003-11-21
Structure title titleHuman vinculin head (1-258) in complex with talin's vinculin binding site 3 (residues 1944-1969)
Keywords keywordscytoskeleton; actin-binding; x-ray crystallography, cell adhesion, structural protein; cell adhesion, structural protein
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.22
Radius of gyration Rg (electron density) rg_electron26.35
Forward intensity I(0) i017090900.00
Molecular weight molecular_weight31763.0 kDa
Excluded volume excluded_volume40023 ų
Envelope volume envelope_volume49620 ų
Hydration-shell volume shell_volume18473 ų
Envelope diameter envelope_diameter106.3
Shell Rg shell_rg29.12
Envelope Rg envelope_rg26.86
Shape Rg shape_rg26.37
Total Rg total_rg26.65
Total atoms total_atoms2223
Residues n_residues284
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 dmax100.8
Rg (real space) rg_real26.74
Rg uncertainty (real space) rg_real_error1.11
I(0) (real space) i0_real1.7090e+07
I(0) uncertainty (real space) i0_real_error2.9730e+05
Rg (reciprocal space) rg_reciprocal26.58
I(0) (reciprocal space) i0_reciprocal17090000.0000
Solution quality estimate total_estimate0.5330
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.5
Skewness Skewness skewness0.765
Kurtosis Kurtosis kurtosis0.139
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4598000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.395; Stabil: 1.000; Sysdev: 0.221; Positv: 1.000; Valcen: 0.186; Smooth: 0.891

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1rkca1
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.9 — alpha-catenin/vinculin-like
Family Family familya.24.9.1 — alpha-catenin/vinculin
Domain ID domain_idd1rkca2
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.9 — alpha-catenin/vinculin-like
Family Family familya.24.9.1 — alpha-catenin/vinculin

CATH v4.4 (2 domains)

Domain ID domain_id1rkcA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily230 — Alpha-catenin/vinculin-like
Domain ID domain_id1rkcA02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily230 — Alpha-catenin/vinculin-like

8. Citations (1)

9. Files and Curves (10)