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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：P01904 New Search
4PDB entries
10Biological assembly
20chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P01904 1iea MHC CLASS II I-EK Author chain A Reference sequence 26–217 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1iea MHC CLASS II I-EK Author chain C Reference sequence 26–217 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1iea MHC CLASS II I-EK Author chain A Reference sequence 26–217 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1iea MHC CLASS II I-EK Author chain C Reference sequence 26–217 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ieb MHC CLASS II I-EK Author chain A Reference sequence 26–217 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ieb MHC CLASS II I-EK Author chain C Reference sequence 26–217 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ieb MHC CLASS II I-EK Author chain A Reference sequence 26–217 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ieb MHC CLASS II I-EK Author chain C Reference sequence 26–217 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ieb MHC CLASS II I-EK Author chain A Reference sequence 26–217 3 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P01904 1ieb MHC CLASS II I-EK Author chain C Reference sequence 26–217 3 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P01904 1kt2 H-2 class II histocompatibility antigen, E-D alpha chain Author chain A Reference sequence 26–207 1 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P01904 1kt2 H-2 class II histocompatibility antigen, E-D alpha chain Author chain C Reference sequence 26–207 1 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P01904 1kt2 H-2 class II histocompatibility antigen, E-D alpha chain Author chain A Reference sequence 26–207 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1kt2 H-2 class II histocompatibility antigen, E-D alpha chain Author chain C Reference sequence 26–207 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ktd H-2 class II histocompatibility antigen, E-D alpha chain Author chain A Reference sequence 26–207 1 Insufficient information Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ktd H-2 class II histocompatibility antigen, E-D alpha chain Author chain C Reference sequence 26–207 1 Insufficient information Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ktd H-2 class II histocompatibility antigen, E-D alpha chain Author chain A Reference sequence 26–207 2 Insufficient information Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ktd H-2 class II histocompatibility antigen, E-D alpha chain Author chain C Reference sequence 26–207 2 Insufficient information Heteromer Protein 2 dimeric （2） Consistent with protein count
P01904 1ktd H-2 class II histocompatibility antigen, E-D alpha chain Author chain A Reference sequence 26–207 3 Insufficient information Heteromer Protein 4 tetrameric （4） Consistent with protein count
P01904 1ktd H-2 class II histocompatibility antigen, E-D alpha chain Author chain C Reference sequence 26–207 3 Insufficient information Heteromer Protein 4 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.