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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：P21709 New Search
4PDB entries
6Biological assembly
12chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P21709 2k1k Ephrin type-A receptor 1 Author chain A Reference sequence 536–573 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P21709 2k1k Ephrin type-A receptor 1 Author chain B Reference sequence 536–573 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P21709 2k1l Ephrin type-A receptor 1 Author chain A Reference sequence 536–573 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P21709 2k1l Ephrin type-A receptor 1 Author chain B Reference sequence 536–573 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P21709 3hil Ephrin type-A receptor 1 Author chain A Reference sequence 911–974 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P21709 3hil Ephrin type-A receptor 1 Author chain B Reference sequence 911–974 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P21709 3hil Ephrin type-A receptor 1 Author chain A Reference sequence 911–974 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P21709 3hil Ephrin type-A receptor 1 Author chain B Reference sequence 911–974 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P21709 3kka EPHRIN TYPE-A RECEPTOR 1 Author chain A Reference sequence 911–974 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P21709 3kka EPHRIN TYPE-A RECEPTOR 1 Author chain B Reference sequence 911–974 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P21709 3kka EPHRIN TYPE-A RECEPTOR 1 Author chain A Reference sequence 911–974 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P21709 3kka EPHRIN TYPE-A RECEPTOR 1 Author chain B Reference sequence 911–974 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count

“Homomeric versus heteromeric classification follows protein identity; different constructs of the same UniProt entry still require comparison of reference-sequence ranges, mutations and missing segments. Assemblies marked for review remain visible but are not included in the highest-confidence candidate set.