SAXSdb — 4e18

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

Vinculin

Gallus gallus

UniProt P12003

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 1–259	Fragment：D1 domain (UNP residues 1-259)	Catenin alpha-1 × 1 （P26231）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；22% PEG3350, 100 mM bis-tris-propane, pH 8.0, 100 mM sodium nitrate, 3 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.40 Å R-free 0.273

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.

Other PDB	Difference from Current Entry 4E18	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1QKR Crystal structure of the vinculin tail and a pathway for activation Deposited 1999-08-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 878–1065（188 aa） Fragment：C-TERMINAL DOMAIN	Non-standard monomer：Yes (specific site not provided by mmCIF)	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 5；25% (W/V) PEG 2000, 0.2 M (NH4)2SO4, 0.1 M CH3COO PH 5.0	Resolution 1.80 Å R-free 0.248
1QKR Crystal structure of the vinculin tail and a pathway for activation Deposited 1999-08-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 878–1065（188 aa） Fragment：C-TERMINAL DOMAIN	Non-standard monomer：Yes (specific site not provided by mmCIF)	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 5；25% (W/V) PEG 2000, 0.2 M (NH4)2SO4, 0.1 M CH3COO PH 5.0	Resolution 1.80 Å R-free 0.248
1ST6 Crystal structure of a cytoskeletal protein Deposited 2004-03-25	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–1065（1065 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；303 K；ammonium sulphate, cacodylic acid, dtt, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 303K	Resolution 3.10 Å R-free 0.357
1T01 Vinculin complexed with the VBS1 helix from talin Deposited 2004-04-07	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–254（254 aa） Fragment：vinculin head	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 6.5；293 K；30%PEG 5000, 0.1M MES, 0.2M Ammonium Sulphate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K, pH 6.50	Resolution 2.06 Å R-free 0.303
1U6H Vinculin head (0-258) in complex with the talin vinculin binding site 2 (849-879) Deposited 2004-07-30	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 0–258（259 aa） Fragment：Residues 0-258	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；PEG 8000, Tris-HCl, magnesium chloride, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.38 Å R-free 0.322
1XWJ Vinculin head (1-258) in complex with the talin vinculin binding site 3 (1945-1969) Deposited 2004-11-01	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–258（258 aa） Fragment：residues -21-258	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；1M NaH2PO4, 1M K2HPO4, 0.1M CAPS, pH 10.9, 3% Hexanediol, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.281
1ZVZ Vinculin Head (0-258) in Complex with the Talin Rod Residue 820-844 Deposited 2005-06-03	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–258（258 aa） Fragment：Residues 0-258	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 1.80 Å R-free 0.276
1ZW2 Vinculin Head (0-258) in Complex with the Talin Rod residues 2345-2369 Deposited 2005-06-03	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–258（258 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；100mM Tris, pH 7.0, 20% PEG 2000 MME, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.10 Å R-free 0.295
1ZW3 Vinculin Head (0-258) in Complex with the Talin Rod residues 1630-1652 Deposited 2005-06-03	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–258（258 aa） Fragment：Residues 0-258	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.1；293 K；1.2M NaH2PO4/0.8M K2HPO4, 100mM CAPS, pH 10.5, pH 6.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 3.30 Å R-free 0.307
2GDC Structure of Vinculin VD1 / IpaA560-633 complex Deposited 2006-03-15	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–265（265 aa） Fragment：VD1 domain (RESIDUES 0-265)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；100 mM HEPES, 10% 2-propanol, 20% PEG 4000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.74 Å R-free 0.294
3JBI MDFF model of the vinculin tail domain bound to F-actin Deposited 2015-09-02	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain V 879–1130（252 aa） Fragment：tail domain (UNP residues 879-1130)	Not recorded	MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2	ELECTRON MICROSCOPY cryo-EM buffer 50 mM KCl, 1 mM MgCl2, 1 mM EGTA, 10 mM imidazole；pH 7；50 mM KCl, 1 mM MgCl2, 1 mM EGTA, 10 mM imidazole cryo-EM vitrification conditions 3 microliters of 0.3 micromolar actin was applied to the grid and incubated for 60 seconds at 25 degrees C. 3 microliters of 10 micromolar Vt was then applied and incubated for 60 seconds. 3 microliters of solution was removed, then an additional 3 microliters of Vt applied. After 60 seconds, 3 microliters of solution was removed, then the grid was blotted for 2 seconds before plunging.；Cryogen ETHANE；3 microliters of 0.3 micromolar actin was applied to the grid and incubated for 60 seconds at 25 degrees C. 3 microliters of 10 micromolar Vt was then applied and incubated for 60 seconds. 3 microliters of solution was removed, then an additional 3 microliters of Vt applied. After 60 seconds, 3 microliters of solution was removed, then the grid was blotted for 2 seconds before plunging into liquid ethane (LEICA EM GP).	Resolution 8.50 Å
3ZDL Vinculin head (1-258) in complex with a RIAM fragment Deposited 2012-11-28	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–259（259 aa） Fragment：VD1 DOMAIN, RESIDUES 1-259	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions 1.2M AMMONIUM SULPHATE, 0.05M TRI-SODIUM CITRATE, 3% ISOPROPANOL	Resolution 2.30 Å R-free 0.230
4E17 Alpha-E-catenin is an autoinhibited molecule that co-activates vinculin Deposited 2012-03-05	Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–259（259 aa） Fragment：D1 domain (UNP residues 1-259)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；283 K；20% PEG8000, 100 mM MES, pH 6.8, 3 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 283K	Resolution 2.30 Å R-free 0.240
6FQ4 Structure of Chlamydial virulence factor TarP and vinculin head domain Deposited 2018-02-13	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–259（259 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；294 K；0.1 M sodium citrate tribasic dehydrate pH 5.6, 20% 2-propanol	Resolution 2.89 Å R-free 0.346
6NR7 Rerefinement of chicken vinculin Deposited 2019-01-23	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–1066（1066 aa）	Not recorded	SO4 SULFATE ION × 2 KYG (1R,2R,3S,4R,5R,6S)-4-{[(S)-[(2S)-2,3-dihydroxypropoxy](hydroxy)phosphoryl]oxy}-3,5,6-trihydroxycyclohexane-1,2-diyl bis[dihydrogen (phosphate)] × 1 PO4 PHOSPHATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；303 K；ammonium sulphate, cacodylic acid, dtt, pH 6.5	Resolution 3.00 Å R-free 0.315

14 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	VINC_CHICK
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 5–263； UniProt 1–259

Catenin alpha-1

Mus musculus

UniProt P26231

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 302–356	Fragment：vinculin binding domain (UNP residues 302-356)	Vinculin × 1 （P12003）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；22% PEG3350, 100 mM bis-tris-propane, pH 8.0, 100 mM sodium nitrate, 3 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.40 Å R-free 0.273

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.

Other PDB	Difference from Current Entry 4E18	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1DOV CRYSTAL STRUCTURE OF THE ALPHA-CATENIN DIMERIZATION DOMAIN Deposited 1999-12-21	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 82–262（181 aa） Fragment：DIMERIZATION DOMAIN	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.9；295 K；PEG 400, Tris, urea, dithiothreitol, pH 8.9, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 3.00 Å R-free 0.263
1DOV CRYSTAL STRUCTURE OF THE ALPHA-CATENIN DIMERIZATION DOMAIN Deposited 1999-12-21	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 82–262（181 aa） Fragment：DIMERIZATION DOMAIN	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.9；295 K；PEG 400, Tris, urea, dithiothreitol, pH 8.9, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 3.00 Å R-free 0.263
1DOW CRYSTAL STRUCTURE OF A CHIMERA OF BETA-CATENIN AND ALPHA-CATENIN Deposited 1999-12-21	Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 57–261（205 aa） Fragment：DIMERIZATION AND BETA-CATENIN BINDING REGION	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；PEG 2000 monomethylether, HEPES, urea, ethanol, Dithiothreitol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K	Resolution 1.80 Å R-free 0.233
4E17 Alpha-E-catenin is an autoinhibited molecule that co-activates vinculin Deposited 2012-03-05	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 321–356（36 aa） Fragment：vinculin binding domain (UNP residues 321-356)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；283 K；20% PEG8000, 100 mM MES, pH 6.8, 3 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 283K	Resolution 2.30 Å R-free 0.240
4K1N Crystal structure of full-length mouse alphaE-catenin Deposited 2013-04-05	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 1–906（906 aa） Chain B 1–906（906 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；293 K；0.2 M Sodium Citrate, 20% (w/v) PEG-3350, vapor diffusion, temperature 293K	Resolution 6.50 Å R-free 0.247
5Y04 Crystal Structure of the complex between the vinculin D1 domain and alphaE-catenin Deposited 2017-07-14	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 276–375（100 aa） Fragment：UNP RESIDUES 276-375	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 8；293 K；100MM IMIDAZOLE, 0.5-0.7M POTASSIUM TARTRATE, 0.35M SODIUM FORMATE	Resolution 2.85 Å R-free 0.281
6DV1 Crystal structure of the alpha-E-catenin actin-binding domain Deposited 2018-06-22	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 652–906（255 aa） Chain B 652–906（255 aa）	Not recorded	BR BROMIDE ION × 5 SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；0.2 M potassium bromide, 2.2 M ammonium sulfate, 3% w/v D-galactose	Resolution 2.20 Å R-free 0.252
6O3E mouse aE-catenin 82-883 Deposited 2019-02-26	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 82–883（802 aa） Chain B 82–883（802 aa）	Mutation：C116S Mutation：C116S	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；295 K；50 mM Tris, pH 8.5, 60 mM lithium sulfate, 23.5 % PEG 400	Resolution 4.00 Å R-free 0.243
6WVT Structural basis of alphaE-catenin - F-actin catch bond behavior Deposited 2020-05-06	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric	Chain K 671–906（236 aa） Chain L 671–906（236 aa） Chain N 671–906（236 aa） Chain O 671–906（236 aa） Chain Q 671–906（236 aa） Chain X 671–906（236 aa）	Not recorded	MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 6	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.56 Å
9DVA F-actin binding interface of alpha-E-catenin ABD (cadherin-catenin complex) and afadin Deposited 2024-10-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain F 1–906（906 aa） Chain H 1–906（906 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å

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

View Construct and Data Evidence

UniProt name	CTNA1_MOUSE
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 5–59； UniProt 302–356

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_id	4e18
Deposition date deposition_date	2012-03-05
Structure title title	Alpha-E-catenin is an autoinhibited molecule that co-activates vinculin
Keywords keywords	four helix bundle, CELL ADHESION; CELL ADHESION
Experimental Method method	X-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier	26.38 Å
Radius of gyration Rg (electron density) rg_electron	26.42 Å
Forward intensity I(0) i0	18825700.00
Molecular weight molecular_weight	32834.0 kDa
Excluded volume excluded_volume	41168 Å³
Envelope volume envelope_volume	52670 Å³
Hydration-shell volume shell_volume	19051 Å³
Envelope diameter envelope_diameter	102.6 Å
Shell Rg shell_rg	29.69 Å
Envelope Rg envelope_rg	26.99 Å
Shape Rg shape_rg	26.44 Å
Total Rg total_rg	26.76 Å
Total atoms total_atoms	2295
Residues n_residues	293
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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

Maximum dimension Dmax dmax	97.0 Å
Rg (real space) rg_real	26.83 Å
Rg uncertainty (real space) rg_real_error	1.36 Å
I(0) (real space) i0_real	1.8830e+07
I(0) uncertainty (real space) i0_real_error	3.0540e+05
Rg (reciprocal space) rg_reciprocal	26.69 Å
I(0) (reciprocal space) i0_reciprocal	18820000.0000
Solution quality estimate total_estimate	0.7482
Solution quality rating solution_quality	REASONABLE a REASONABLE solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	21.0 Å
Skewness Skewness skewness	0.694
Kurtosis Kurtosis kurtosis	-0.073
Angular range angular_range	— – 0.3000 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	6059000.0000
Real-space data points n_real_points	61
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.495; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.275; Smooth: 0.963

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	Vinculin
Molecular weight formula_weight	29379.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2376

GGIQMPVFHTRTIESILEPVAQQISHLVIMHEEGEVDGKAIPDLTAPVSAVQAAVSNLVRVGKETVQTTEDQILKRDMPPAFIKVENACTKLVRAAQMLQADPYSVPARDYLIDGSRGILSGTSDLLLTFDEAEVRKIIRVCKGILEYLTVAEVVETMEDLVTYTKNLGPGMTKMAKMIDERQQELTHQEHRVMLVNSMNTVKELLPVLISAMKIFVTTKNTKSQGIEEALKNRNFTVEKMSAEINEIIRVLQLTSWDEDAWA

来源 Source

来源生物 organism	Gallus gallus
通用名 common_name	chicken
NCBI Class编号 ncbi_taxonomy_id	9031
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Catenin alpha-1
Molecular weight formula_weight	6431.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

GGIQRPSLEERLESIISGAALMADSSCTRDDRRERIVAECNAVRQALQDLLSEYMGNAG

来源 Source

来源生物 organism	Mus musculus
通用名 common_name	mouse
NCBI Class编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Escherichia coli

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	74

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7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d4e18a1
Class class	a — All alpha proteins
Fold Fold fold	a.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamily	a.24.9 — alpha-catenin/vinculin-like
Family Family family	a.24.9.1 — alpha-catenin/vinculin

Domain ID domain_id	d4e18a2
Class class	a — All alpha proteins
Fold Fold fold	a.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamily	a.24.9 — alpha-catenin/vinculin-like
Family Family family	a.24.9.1 — alpha-catenin/vinculin

Domain ID domain_id	d4e18a3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (3 domains)

Domain ID domain_id	4e18A01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	230 — Alpha-catenin/vinculin-like

Domain ID domain_id	4e18A02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily	230 — Alpha-catenin/vinculin-like

Domain ID domain_id	4e18B00
Class class	6 — Special
Architecture architecture	10 — Helix non-globular
Topology topology	250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	2510 —

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8. Citations (1)

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Unit-cell length a length_a	52.233 Å
Unit-cell length b length_b	68.102 Å
Unit-cell length c length_c	99.575 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.403 Å
Low-resolution limit resolution_low	49.787 Å
R factor r_factor	0.2217
R_work r_work	0.2177
R_free r_free	0.2732

fit	/app/data/saxs_computation/e1/4e18/4e18.fit
pddf	/app/data/pr_computation/e1/4e18/4e18.pr.out
profile	/app/data/saxs_computation/e1/4e18/4e18.dat

Alpha-E-catenin is an autoinhibited molecule that co-activates vinculin

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

Vinculin

State in the Current Structure

Other States of the Same Protein in the Database

Catenin alpha-1

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

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

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

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 water

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)