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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：Q31163 New Search
9PDB entries
18Biological assembly
47chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q31163 1iea MHC CLASS II I-EK Author chain B Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q31163 1iea MHC CLASS II I-EK Author chain D Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q31163 1iea MHC CLASS II I-EK Author chain B Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q31163 1iea MHC CLASS II I-EK Author chain D Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q31163 1ktd Fusion protein consisting of cytochrome C peptide, glycine rich linker, and MHC E-beta-k Author chain B Reference sequence 29–214 1 Insufficient information Heteromer Protein 2 dimeric （2） Consistent with protein count
Q31163 1ktd Fusion protein consisting of cytochrome C peptide, glycine rich linker, and MHC E-beta-k Author chain D Reference sequence 29–214 1 Insufficient information Heteromer Protein 2 dimeric （2） Consistent with protein count
Q31163 1ktd Fusion protein consisting of cytochrome C peptide, glycine rich linker, and MHC E-beta-k Author chain B Reference sequence 29–214 2 Insufficient information Heteromer Protein 2 dimeric （2） Consistent with protein count
Q31163 1ktd Fusion protein consisting of cytochrome C peptide, glycine rich linker, and MHC E-beta-k Author chain D Reference sequence 29–214 2 Insufficient information Heteromer Protein 2 dimeric （2） Consistent with protein count
Q31163 1ktd Fusion protein consisting of cytochrome C peptide, glycine rich linker, and MHC E-beta-k Author chain B Reference sequence 29–214 3 Insufficient information Heteromer Protein 4 tetrameric （4） Consistent with protein count
Q31163 1ktd Fusion protein consisting of cytochrome C peptide, glycine rich linker, and MHC E-beta-k Author chain D Reference sequence 29–214 3 Insufficient information Heteromer Protein 4 tetrameric （4） Consistent with protein count
Q31163 3qib MHC class II E-beta-k Author chain B Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 3qiu MHC CLASS II H2-IA-BETA CHAIN Author chain B Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 3qiw MHC CLASS II H2-IA-BETA CHAIN Author chain B Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2o MHC class II E-beta-k Author chain B Reference sequence 29–224 1 Other combination Heteromer Protein 5 其他 1 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain B Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain G Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain L Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain Q Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain B Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain G Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain L Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain Q Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain B Reference sequence 29–224 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain G Reference sequence 29–224 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain L Reference sequence 29–224 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain Q Reference sequence 29–224 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain B Reference sequence 29–224 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain G Reference sequence 29–224 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain L Reference sequence 29–224 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2q MHC class II E-beta-k Author chain Q Reference sequence 29–224 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain B Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain G Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain L Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain Q Reference sequence 29–224 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain B Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain G Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain L Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain Q Reference sequence 29–224 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain B Reference sequence 29–224 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain G Reference sequence 29–224 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain L Reference sequence 29–224 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain Q Reference sequence 29–224 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain B Reference sequence 29–224 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain G Reference sequence 29–224 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain L Reference sequence 29–224 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 4p2r MHC class II E-beta-k Author chain Q Reference sequence 29–224 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q31163 6bga 2B4 peptide,MHC I-Ek B chain Author chain B Reference sequence 29–224 1 Other combination Heteromer Protein 5 其他 2 pentameric （5） 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.