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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P13612 New Search
6PDB entries
8Biological assembly
8chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
3V4P crystal structure of a4b7 headpiece complexed with Fab ACT-1 Deposited 2011-12-15 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 34–620（587 aa） Fragment：unp residues 34-620
Mutation：R558A CA CALCIUM ION × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 15P POLYETHYLENE GLYCOL (N=34) × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；0.1 M Tris, 0.1 M NaCl, 8-10% PEG 20,000, VAPOR DIFFUSION, HANGING DROP, temperature 277K, pH 8.5
Resolution 3.15 Å R-free 0.251
3V4P crystal structure of a4b7 headpiece complexed with Fab ACT-1 Deposited 2011-12-15 Assembly 2 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 34–620（587 aa） Fragment：unp residues 34-620
Mutation：R558A CA CALCIUM ION × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 MG MAGNESIUM ION × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；0.1 M Tris, 0.1 M NaCl, 8-10% PEG 20,000, VAPOR DIFFUSION, HANGING DROP, temperature 277K, pH 8.5
Resolution 3.15 Å R-free 0.251
3V4V crystal structure of a4b7 headpiece complexed with Fab ACT-1 and RO0505376 Deposited 2011-12-15 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 34–620（587 aa） Fragment：unp residues 34-620
Mutation：R558A CA CALCIUM ION × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 MG MAGNESIUM ION × 1 0DU N-(2,6-dichlorobenzoyl)-4-[1,6-dimethyl-2-oxo-4-(trifluoromethyl)-1,2-dihydropyridin-3-yl]-L-phenylalanine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；0.1 M Tris pH 8.5, 0.1 M NaCl, 8-10% PEG 20,000, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 3.10 Å R-free 0.231
3V4V crystal structure of a4b7 headpiece complexed with Fab ACT-1 and RO0505376 Deposited 2011-12-15 Assembly 2 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 34–620（587 aa） Fragment：unp residues 34-620
Mutation：R558A CA CALCIUM ION × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 MG MAGNESIUM ION × 1 0DU N-(2,6-dichlorobenzoyl)-4-[1,6-dimethyl-2-oxo-4-(trifluoromethyl)-1,2-dihydropyridin-3-yl]-L-phenylalanine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；0.1 M Tris pH 8.5, 0.1 M NaCl, 8-10% PEG 20,000, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 3.10 Å R-free 0.231
4HKC 14-3-3-zeta in complex with S1011 phosphorylated integrin alpha-4 peptide Deposited 2012-10-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1003–1032（30 aa） Fragment：UNP residues 1003-1032
Non-standard monomer：Yes (specific site not provided by mmCIF) GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；277 K；0.1M Na HEPES (pH 7.5), 25% PEG 2000 MME, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.20 Å R-free 0.239
5C7Z AP2 Mu2 adaptin C-terminal domain complexed with integrin alpha-4 peptide Deposited 2015-06-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1008–1015（8 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.1；293 K；2.2M NaCl, 0.4M Na/K phosphate, 10MM DTT 0.1M MES pH 7.1, 15% glycerol, molar ratio of peptide to protein 3:1
Resolution 2.77 Å R-free 0.224
9P95 CryoEM structure of integrin alpha4beta7 bound to MAdCAM-1 Deposited 2025-06-24 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–970（970 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 CA CALCIUM ION × 3 MN MANGANESE (II) ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；0.05% CHAPS added immediately before vitrification
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
9P96 CryoEM structure of the apo integrin alpha4beta7 Deposited 2025-06-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–970（970 aa）
Not recorded CA CALCIUM ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.