Integrin alpha-5 light chain
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 × 4 其他Polymer 10 PDB declaration: tetrameric(4) Consistent with protein copy count | Chain A; UniProt 1–995 | Not recorded | Integrin beta-1 × 1 (P05556) MINT1526A Fab Heavy Chain × 1 MINT1526A Fab Light Chain × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 ;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 ;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 × 4 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 |
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 9B9K | 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 method 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 method 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 method 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 method 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 experimental method Different experimental conditions 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 experimental method Different experimental conditions 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 experimental method Different experimental conditions 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 |
| 4WK4 Metal Ion and Ligand Binding of Integrin Deposited 2014-10-01 | 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
42–491(450 aa)
Fragment:UNP residues 42-491
|
Not recorded | 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 |
| 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 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 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 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 |
| 9CKV Cryo-EM structure of alpha5beta1 integrin in complex with NeoNectin Deposited 2024-07-09 | Different construct Different oligomeric state Different ligand/ion 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 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 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 method 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 method 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 oligomeric state Different ligand/ion 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 1–995; UniProt 1–995 |