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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：P20827 New Search
3PDB entries
10Biological assembly
66chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P20827 3czu Ephrin-A1 Author chain B Reference sequence 17–171 1 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain B Reference sequence 18–147 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain D Reference sequence 18–147 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain F Reference sequence 18–147 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain H Reference sequence 18–147 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain J Reference sequence 18–147 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain L Reference sequence 18–147 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain N Reference sequence 18–147 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain P Reference sequence 18–147 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain B Reference sequence 18–147 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain D Reference sequence 18–147 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain F Reference sequence 18–147 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain H Reference sequence 18–147 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain J Reference sequence 18–147 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain L Reference sequence 18–147 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain N Reference sequence 18–147 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain P Reference sequence 18–147 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain B Reference sequence 18–147 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain D Reference sequence 18–147 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain F Reference sequence 18–147 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain H Reference sequence 18–147 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain J Reference sequence 18–147 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain L Reference sequence 18–147 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain N Reference sequence 18–147 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain P Reference sequence 18–147 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain B Reference sequence 18–147 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain D Reference sequence 18–147 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain F Reference sequence 18–147 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain H Reference sequence 18–147 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain J Reference sequence 18–147 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain L Reference sequence 18–147 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain N Reference sequence 18–147 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain P Reference sequence 18–147 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain B Reference sequence 18–147 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain D Reference sequence 18–147 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain F Reference sequence 18–147 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain H Reference sequence 18–147 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain J Reference sequence 18–147 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain L Reference sequence 18–147 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain N Reference sequence 18–147 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain P Reference sequence 18–147 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain B Reference sequence 18–147 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain D Reference sequence 18–147 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain F Reference sequence 18–147 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain H Reference sequence 18–147 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain J Reference sequence 18–147 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain L Reference sequence 18–147 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain N Reference sequence 18–147 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain P Reference sequence 18–147 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain B Reference sequence 18–147 7 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain D Reference sequence 18–147 7 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain F Reference sequence 18–147 7 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain H Reference sequence 18–147 7 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain J Reference sequence 18–147 7 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain L Reference sequence 18–147 7 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain N Reference sequence 18–147 7 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain P Reference sequence 18–147 7 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain B Reference sequence 18–147 8 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain D Reference sequence 18–147 8 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain F Reference sequence 18–147 8 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain H Reference sequence 18–147 8 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain J Reference sequence 18–147 8 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain L Reference sequence 18–147 8 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain N Reference sequence 18–147 8 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3hei Ephrin-A1 Author chain P Reference sequence 18–147 8 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P20827 3mbw Ephrin-A1 Author chain B Reference sequence 17–171 1 Other combination Heteromer Protein 4 其他 2 tetrameric （4） 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.