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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：P02089 New Search
3PDB entries
14Biological assembly
42chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P02089 1fne PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain B Reference sequence 64–76 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P02089 1fne PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain D Reference sequence 64–76 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P02089 1fne PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain B Reference sequence 64–76 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P02089 1fne PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain D Reference sequence 64–76 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P02089 1fne PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain B Reference sequence 64–76 3 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
P02089 1fne PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain D Reference sequence 64–76 3 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
P02089 1fng PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain B Reference sequence 64–76 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P02089 1fng PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain D Reference sequence 64–76 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P02089 1fng PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain B Reference sequence 64–76 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P02089 1fng PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain D Reference sequence 64–76 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P02089 1fng PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain B Reference sequence 64–76 3 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P02089 1fng PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain D Reference sequence 64–76 3 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P02089 1fng PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain B Reference sequence 64–76 4 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
P02089 1fng PROTEIN (MHC CLASS II I-EK, BETA CHAIN) Author chain D Reference sequence 64–76 4 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain B Reference sequence 64–76 1 Other combination Heteromer Protein 8 其他 4 octameric （8） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain D Reference sequence 64–76 1 Other combination Heteromer Protein 8 其他 4 octameric （8） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain F Reference sequence 64–76 1 Other combination Heteromer Protein 8 其他 4 octameric （8） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain H Reference sequence 64–76 1 Other combination Heteromer Protein 8 其他 4 octameric （8） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain B Reference sequence 64–76 2 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain D Reference sequence 64–76 2 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain F Reference sequence 64–76 2 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain H Reference sequence 64–76 2 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain B Reference sequence 64–76 3 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain D Reference sequence 64–76 3 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain F Reference sequence 64–76 3 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain H Reference sequence 64–76 3 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain B Reference sequence 64–76 4 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain D Reference sequence 64–76 4 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain F Reference sequence 64–76 4 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain H Reference sequence 64–76 4 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain B Reference sequence 64–76 5 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain D Reference sequence 64–76 5 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain F Reference sequence 64–76 5 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain H Reference sequence 64–76 5 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain B Reference sequence 64–76 6 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain D Reference sequence 64–76 6 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain F Reference sequence 64–76 6 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain H Reference sequence 64–76 6 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain B Reference sequence 64–76 7 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain D Reference sequence 64–76 7 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain F Reference sequence 64–76 7 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P02089 1i3r FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN Author chain H Reference sequence 64–76 7 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.