4wk4

Metal Ion and Ligand Binding of Integrin

Method: X-RAY DIFFRACTION D_max: 118.3 Å Quality: GOOD

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

Integrin alpha-5

Homo sapiens

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Other combination Heteromer Protein × 3 其他Polymer 7 PDB declaration: trimeric（3） Consistent with protein copy count	Chain A； UniProt 42–491	Fragment：UNP residues 42-491	Integrin beta-1 × 1 （P05556） ALA-CYS-ARG-GLY-ASP-GLY-TRP-CYS × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 6 MG MAGNESIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；0.1 M HEPES 7.2, 16% PEG 6000	Resolution 2.50 Å R-free 0.236

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 4WK4	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
3VI3 Crystal structure of alpha5beta1 integrin headpiece (ligand-free form) Deposited 2011-09-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 42–664（623 aa） Fragment：UNP residues 42-664	Not recorded	CA CALCIUM ION × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1M Bis-tris (pH6.5), 20%(w/v) PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.90 Å R-free 0.267
3VI3 Crystal structure of alpha5beta1 integrin headpiece (ligand-free form) Deposited 2011-09-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 42–664（623 aa） Fragment：UNP residues 42-664	Not recorded	CA CALCIUM ION × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1M Bis-tris (pH6.5), 20%(w/v) PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.90 Å R-free 0.267
3VI4 Crystal structure of alpha5beta1 integrin headpiece in complex with RGD peptide Deposited 2011-09-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 42–664（623 aa）	Not recorded	CA CALCIUM ION × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1M Bis-tris (pH6.5), 20%(w/v) PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.90 Å R-free 0.275
3VI4 Crystal structure of alpha5beta1 integrin headpiece in complex with RGD peptide Deposited 2011-09-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 42–664（623 aa）	Not recorded	CA CALCIUM ION × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1M Bis-tris (pH6.5), 20%(w/v) PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.90 Å R-free 0.275
4WJK Metal Ion and Ligand Binding of Integrin Deposited 2014-09-30	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 42–493（452 aa） Fragment：UNP residues 42-493	Mutation：I451V	CA CALCIUM ION × 6 MG MAGNESIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；0.1 M HEPES 7.2, 16% PEG 6000	Resolution 1.85 Å R-free 0.238
4WK0 Metal Ion and Ligand Binding of Integrin Deposited 2014-10-01	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 42–493（452 aa） Fragment：UNP residues 42-493	Mutation：I451V	CA CALCIUM ION × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；0.1 M HEPES 7.2, 16% PEG 6000	Resolution 1.78 Å R-free 0.223
4WK2 Metal Ion and Ligand Binding of Integrin Deposited 2014-10-01	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 42–493（452 aa） Fragment：UNP residues 42-493	Mutation：I451V	CA CALCIUM ION × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；0.1 M HEPES 7.2, 16% PEG 6000	Resolution 2.50 Å R-free 0.254
7NWL Cryo-EM structure of human integrin alpha5beta1 (open form) in complex with fibronectin and TS2/16 Fv-clasp Deposited 2021-03-17	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 42–1049（1008 aa）	Not recorded	MN MANGANESE (II) ION × 7	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.10 Å
7NXD Cryo-EM structure of human integrin alpha5beta1 in the half-bent conformation Deposited 2021-03-18	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 42–1049（1008 aa）	Not recorded	CA CALCIUM ION × 7 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.60 Å
9B9J Integrin alpha-5 beta-1 in complex with BIIG2 Fab Deposited 2024-04-02	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 1–995（995 aa）	Not recorded	CA CALCIUM ION × 7 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4；20mM Tris-HCL, 150mM NaCl, 5mM CaCl2 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
9B9K Integrin alpha-5 beta-1 in complex with MINT1526A Fab Deposited 2024-04-02	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 1–995（995 aa）	Not recorded	CA CALCIUM ION × 7 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
9CKV Cryo-EM structure of alpha5beta1 integrin in complex with NeoNectin Deposited 2024-07-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 1–996（996 aa）	Not recorded	CA CALCIUM ION × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 MN MANGANESE (II) ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.19 Å
9DIA Cryo-EM structure of alpha5beta1 integrin in complex with NeoNectin candidate 2 Deposited 2024-09-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 1–996（996 aa）	Not recorded	CA CALCIUM ION × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 MN MANGANESE (II) ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.97 Å
9EF2 Cryo-EM structure of alpha5beta1 integrin in complex with NeoNectin candidate 2, open conformation Deposited 2024-11-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 1–996（996 aa）	Not recorded	CA CALCIUM ION × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 MN MANGANESE (II) ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.36 Å
9HMH Crystal structure of the Calf domains of Integrin Alpha5 Deposited 2024-12-09	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 641–993（353 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；0.1M Bistris pH 5.5, 0.2M MgCl2, 25% PEG 3350 (wt/vol)	Resolution 1.92 Å R-free 0.282
9HMI Crystal structure of the Calf domains of Integrin Alpha5 in complex with angiopoietin2 peptide Deposited 2024-12-09	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 641–993（353 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2M ammonium formate; 20% polyethylene glycol 3350 (wt/vol)	Resolution 2.78 Å R-free 0.306
9P6S Cryo-EM structure of human integrin alpha5beta1 in complex with fibronectin (FN 7-10) Deposited 2025-06-19	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 42–642（601 aa）	Not recorded	MN MANGANESE (II) ION × 7 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 2.61 Å

15 other PDB entries and 17 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	ITA5_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–450； UniProt 42–491

Integrin beta-1

Homo sapiens

UniProt P05556

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Other combination Heteromer Protein × 3 其他Polymer 7 PDB declaration: trimeric（3） Consistent with protein copy count	Chain B； UniProt 21–465	Fragment：UNP residues 21-465	Integrin alpha-5 × 1 （P08648） ALA-CYS-ARG-GLY-ASP-GLY-TRP-CYS × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 6 MG MAGNESIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；0.1 M HEPES 7.2, 16% PEG 6000	Resolution 2.50 Å R-free 0.236

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 4WK4	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
3G9W Crystal Structure of Talin2 F2-F3 in Complex with the Integrin Beta1D Cytoplasmic Tail Deposited 2009-02-15	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 752–801（50 aa） Fragment：Cytoplasmic Tail	Not recorded	GOL GLYCEROL × 2 PEG DI(HYDROXYETHYL)ETHER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M ammonium acetate, 0.02M magnesium chloride, 0.05M HEPES, 5% PEG 8k, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 2.17 Å R-free 0.248
3G9W Crystal Structure of Talin2 F2-F3 in Complex with the Integrin Beta1D Cytoplasmic Tail Deposited 2009-02-15	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 752–801（50 aa） Fragment：Cytoplasmic Tail	Not recorded	GOL GLYCEROL × 4 PEG DI(HYDROXYETHYL)ETHER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M ammonium acetate, 0.02M magnesium chloride, 0.05M HEPES, 5% PEG 8k, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K	Resolution 2.17 Å R-free 0.248
3T9K Crystal Structure of ACAP1 C-portion mutant S554D fused with integrin beta1 peptide Deposited 2011-08-03	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 758–769（12 aa）	Mutation：S554D	ZN ZINC ION × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；289 K；0.2M ammonium sulfate, 14% PEG 3350, 0.1M Sodium Citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.30 Å R-free 0.225
3T9K Crystal Structure of ACAP1 C-portion mutant S554D fused with integrin beta1 peptide Deposited 2011-08-03	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain B 758–769（12 aa）	Mutation：S554D	ZN ZINC ION × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；289 K；0.2M ammonium sulfate, 14% PEG 3350, 0.1M Sodium Citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.30 Å R-free 0.225
3VI3 Crystal structure of alpha5beta1 integrin headpiece (ligand-free form) Deposited 2011-09-21	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 21–465（445 aa） Fragment：UNP residues 21-465	Not recorded	CA CALCIUM ION × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1M Bis-tris (pH6.5), 20%(w/v) PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.90 Å R-free 0.267
3VI3 Crystal structure of alpha5beta1 integrin headpiece (ligand-free form) Deposited 2011-09-21	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric	Chain D 21–465（445 aa） Fragment：UNP residues 21-465	Not recorded	CA CALCIUM ION × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1M Bis-tris (pH6.5), 20%(w/v) PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.90 Å R-free 0.267
3VI4 Crystal structure of alpha5beta1 integrin headpiece in complex with RGD peptide Deposited 2011-09-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 21–465（445 aa）	Not recorded	CA CALCIUM ION × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1M Bis-tris (pH6.5), 20%(w/v) PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.90 Å R-free 0.275
3VI4 Crystal structure of alpha5beta1 integrin headpiece in complex with RGD peptide Deposited 2011-09-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 21–465（445 aa）	Not recorded	CA CALCIUM ION × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1M Bis-tris (pH6.5), 20%(w/v) PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.90 Å R-free 0.275
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 10 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain T 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 11 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain V 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 12 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain X 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 13 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain Z 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 14 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain b 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 15 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain d 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 16 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain f 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 17 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain h 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 18 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain j 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 19 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain l 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 20 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain n 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 21 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain p 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 22 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain r 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 23 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain t 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 24 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain v 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 25 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain x 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 26 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain z 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 27 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain 8 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 28 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain 6 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 29 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain 9 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 30 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain 7 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain J 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain N 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4DX9 ICAP1 in complex with integrin beta 1 cytoplasmic tail Deposited 2012-02-27	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 9 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain R 784–798（15 aa） Fragment：Cytoplasmic tail	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1.2M sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K	Resolution 2.99 Å R-free 0.312
4WJK Metal Ion and Ligand Binding of Integrin Deposited 2014-09-30	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 21–465（445 aa） Fragment：UNP residues 21-465	Not recorded	CA CALCIUM ION × 6 MG MAGNESIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；0.1 M HEPES 7.2, 16% PEG 6000	Resolution 1.85 Å R-free 0.238
4WK0 Metal Ion and Ligand Binding of Integrin Deposited 2014-10-01	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 21–465（445 aa） Fragment：UNP residues 21-465	Not recorded	CA CALCIUM ION × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；0.1 M HEPES 7.2, 16% PEG 6000	Resolution 1.78 Å R-free 0.223
4WK2 Metal Ion and Ligand Binding of Integrin Deposited 2014-10-01	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 21–465（445 aa） Fragment：UNP residues 21-465	Not recorded	CA CALCIUM ION × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；0.1 M HEPES 7.2, 16% PEG 6000	Resolution 2.50 Å R-free 0.254
7CEB Crystal structure of alpha6beta1 integrin headpiece Deposited 2020-06-22	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 21–465（445 aa）	Not recorded	CA CALCIUM ION × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；23% PEG1000, 0.2 M NaCl, 0.1 M Na/K phosphate, pH 6.5	Resolution 2.89 Å R-free 0.249
7CEC Structure of alpha6beta1 integrin in complex with laminin-511 Deposited 2020-06-22	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 9 PDB declaration: nonameric	Chain B 21–465（445 aa）	Not recorded	CA CALCIUM ION × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 MN MANGANESE (II) ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
7NWL Cryo-EM structure of human integrin alpha5beta1 (open form) in complex with fibronectin and TS2/16 Fv-clasp Deposited 2021-03-17	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 21–798（778 aa）	Not recorded	MN MANGANESE (II) ION × 7	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.10 Å
7NXD Cryo-EM structure of human integrin alpha5beta1 in the half-bent conformation Deposited 2021-03-18	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 21–798（778 aa）	Not recorded	CA CALCIUM ION × 7 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.60 Å
8RPQ Solution NMR structure of Integrin beta-1 TMD Deposited 2024-01-16	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 726–761（36 aa）	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.5；300 K；Ionic strength (raw mmCIF value) 0；Pressure 1 NMR sample composition 0.5 uM NA Itgb1, trifluoroethanol/water \| trifluoroethanol/water	Resolution not provided
8W30 Crystal structure of alpha-V beta-1 integrin headpiece in complex with TR01225179 Deposited 2024-02-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 21–465（445 aa）	Not recorded	CA CALCIUM ION × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 A1AFA N-(2,4-dichlorobenzoyl)-L-phenylalanine × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；28% pentaerythritol ethoxylate (15/4_EO/OH), 0.05M ammonium sulfate, 0.05M Bis Tris pH 6.5	Resolution 2.45 Å R-free 0.275
9B9J Integrin alpha-5 beta-1 in complex with BIIG2 Fab Deposited 2024-04-02	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 1–728（728 aa）	Not recorded	CA CALCIUM ION × 7 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4；20mM Tris-HCL, 150mM NaCl, 5mM CaCl2 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
9B9K Integrin alpha-5 beta-1 in complex with MINT1526A Fab Deposited 2024-04-02	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 1–728（728 aa）	Not recorded	CA CALCIUM ION × 7 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
9CKV Cryo-EM structure of alpha5beta1 integrin in complex with NeoNectin Deposited 2024-07-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–728（728 aa）	Not recorded	CA CALCIUM ION × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 MN MANGANESE (II) ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.19 Å
9DIA Cryo-EM structure of alpha5beta1 integrin in complex with NeoNectin candidate 2 Deposited 2024-09-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–728（728 aa）	Not recorded	CA CALCIUM ION × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 MN MANGANESE (II) ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.97 Å
9EF2 Cryo-EM structure of alpha5beta1 integrin in complex with NeoNectin candidate 2, open conformation Deposited 2024-11-19	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–728（728 aa）	Not recorded	CA CALCIUM ION × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 MN MANGANESE (II) ION × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.36 Å
9NAB Cryo-EM structure of the alpha5beta1 integrin headpiece with OS2966 Fab Deposited 2025-02-11	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 21–465（445 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.54 Å
9P6S Cryo-EM structure of human integrin alpha5beta1 in complex with fibronectin (FN 7-10) Deposited 2025-06-19	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 26–465（440 aa）	Not recorded	MN MANGANESE (II) ION × 7 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 2.61 Å

21 other PDB entries and 54 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	ITB1_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–445； UniProt 21–465

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

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	4wk4
Deposition date deposition_date	2014-10-01
Structure title title	Metal Ion and Ligand Binding of Integrin
Keywords keywords	CELL ADHESION-FIBRONECTIN RECEPTOR, CELL ADHESION-IMMUNE SYSTEM complex; CELL ADHESION/IMMUNE SYSTEM
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	33.17 Å
Radius of gyration Rg (electron density) rg_electron	32.18 Å
Forward intensity I(0) i0	173737000.00
Molecular weight molecular_weight	103220.0 kDa
Excluded volume excluded_volume	128220 Å³
Envelope volume envelope_volume	168200 Å³
Hydration-shell volume shell_volume	43487 Å³
Envelope diameter envelope_diameter	125.4 Å
Shell Rg shell_rg	38.96 Å
Envelope Rg envelope_rg	32.82 Å
Shape Rg shape_rg	32.10 Å
Total Rg total_rg	33.00 Å
Total atoms total_atoms	14143
Residues n_residues	893
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	118.3 Å
Rg (real space) rg_real	33.22 Å
Rg uncertainty (real space) rg_real_error	1.15 Å
I(0) (real space) i0_real	1.7370e+08
I(0) uncertainty (real space) i0_real_error	3.1350e+06
Rg (reciprocal space) rg_reciprocal	33.20 Å
I(0) (reciprocal space) i0_reciprocal	173700000.0000
Solution quality estimate total_estimate	0.8593
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	37.0 Å
Skewness Skewness skewness	0.395
Kurtosis Kurtosis kurtosis	-0.279
Angular range angular_range	— – 0.2400 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	36340000.0000
Real-space data points n_real_points	49
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.754; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.924; Smooth: 0.979

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (12)

Entity 1 Entity 1 polymer

Description description	Integrin alpha-5
Molecular weight formula_weight	47918.6 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	14331

FNLDAEAPAVLSGPPGSFFGFSVEFYRPGTDGVSVLVGAPKANTSQPGVLQGGAVYLCPWGASPTQCTPIEFDSKGSRLLESSLSSSEGEEPVEYKSLQWFGATVRAHGSSILACAPLYSWRTEKEPLSDPVGTCYLSTDNFTRILEYAPCRSDFSWAAGQGYCQGGFSAEFTKTGRVVLGGPGSYFWQGQILSATQEQIAESYYPEYLINLVQGQLQTRQASSIYDDSYLGYSVAVGEFSGDDTEDFVAGVPKGNLTYGYVTILNGSDIRSLYNFSGEQMASYFGYAVAATDVNGDGLDDLLVGAPLLMDRTPDGRPQEVGRVYVYLQHPAGIEPTPTLTLTGHDEFGRFGSSLTPLGDLDQDGYNDVAIGAPFGGETQQGVVFVFPGGPGGLGSKPSQVLQPLWAASHTPDFFGSALRGGRDLDGNGYPDLIVGSFGVDKAVVYRGRP

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	Human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

Entity 2 Entity 2 polymer

Description description	Integrin beta-1
Molecular weight formula_weight	49502.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

QTDENRCLKANAKSCGECIQAGPNCGWCTNSTFLQEGMPTSARCDDLEALKKKGCPPDDIENPRGSKDIKKNKNVTNRSKGTAEKLKPEDITQIQPQQLVLRLRSGEPQTFTLKFKRAEDYPIDLYYLMDLSYSMKDDLENVKSLGTDLMNEMRRITSDFRIGFGSFVEKTVMPYISTTPAKLRNPCTSEQNCTTPFSYKNVLSLTNKGEVFNELVGKQRISGNLDSPEGGFDAIMQVAVCGSLIGWRNVTRLLVFSTDAGFHFAGDGKLGGIVLPNDGQCHLENNMYTMSHYYDYPSIAHLVQKLSENNIQTIFAVTEEFQPVYKELKNLIPKSAVGTLSANSSNVIQLIIDAYNSLSSEVILENGKLSEGVTISYKSYCKNGVNGTGENGRKCSNISIGDEVQFEISITSNKCPKKDSDSFKIRPLGFTEEVEVILQYICECE

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	Human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

Entity 3 Entity 3 polymer

Description description	ALA-CYS-ARG-GLY-ASP-GLY-TRP-CYS
Molecular weight formula_weight	868.0 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

ACRGDGWC

Entity 4 Entity 4 branched

Description description	;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	1073.0 kDa
Source method src_method	man
Copy count entity_count	1

Entity 5 Entity 5 branched

Description description	;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	748.7 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 6 Entity 6 branched

Description description	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	586.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 branched

Description description	;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	1235.1 kDa
Source method src_method	man
Copy count entity_count	1

Entity 8 Entity 8 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 9 Entity 9 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 10 Entity 10 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 11 Entity 11 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 12 Entity 12 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	188

▼

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	4wk4A00
Class class	2 — Mainly Beta
Architecture architecture	130 — 7 Propeller
Topology topology	10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily	130 — Integrin alpha, N-terminal

Domain ID domain_id	4wk4B01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1680 — ligand-binding face of the semaphorins, domain 2
Homologous superfamily homologous superfamily	10 — ligand-binding face of the semaphorins, domain 2

Domain ID domain_id	4wk4B02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1510 — ntegrin, alpha v. Chain A, domain 3

Domain ID domain_id	4wk4B03
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	410 — von Willebrand factor, type A domain

▶

8. Citations (1)

▶

Unit-cell length a length_a	57.520 Å
Unit-cell length b length_b	112.160 Å
Unit-cell length c length_c	169.540 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 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	47.597 Å
R factor r_factor	0.1892
R_work r_work	0.1866
R_free r_free	0.2358

fit	/app/data/saxs_computation/wk/4wk4/4wk4.fit
pddf	/app/data/pr_computation/wk/4wk4/4wk4.pr.out
profile	/app/data/saxs_computation/wk/4wk4/4wk4.dat

Metal Ion and Ligand Binding of Integrin

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

Integrin alpha-5

State in the Current Structure

Other States of the Same Protein in the Database

Integrin beta-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 (12)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 branched

Entity 5 Entity 5 branched

Entity 6 Entity 6 branched

Entity 7 Entity 7 branched

Entity 8 Entity 8 branched

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 non-polymer

Entity 11 Entity 11 non-polymer

Entity 12 Entity 12 water

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)