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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：P04224 New Search
12PDB entries
33Biological assembly
91chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P04224 1fne PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain A Reference sequence 26–217 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P04224 1fne PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain C Reference sequence 26–217 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P04224 1fne PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain A Reference sequence 26–217 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P04224 1fne PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain C Reference sequence 26–217 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P04224 1fne PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain A Reference sequence 26–217 3 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
P04224 1fne PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain C Reference sequence 26–217 3 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
P04224 1fng PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain A Reference sequence 26–217 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P04224 1fng PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain C Reference sequence 26–217 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P04224 1fng PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain A Reference sequence 26–217 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P04224 1fng PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain C Reference sequence 26–217 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P04224 1fng PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain A Reference sequence 26–217 3 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P04224 1fng PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain C Reference sequence 26–217 3 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P04224 1fng PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain A Reference sequence 26–217 4 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
P04224 1fng PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN) Author chain C Reference sequence 26–217 4 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain A Reference sequence 26–217 1 Other combination Heteromer Protein 8 其他 4 octameric （8） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain C Reference sequence 26–217 1 Other combination Heteromer Protein 8 其他 4 octameric （8） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain E Reference sequence 26–217 1 Other combination Heteromer Protein 8 其他 4 octameric （8） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain G Reference sequence 26–217 1 Other combination Heteromer Protein 8 其他 4 octameric （8） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain A Reference sequence 26–217 2 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain C Reference sequence 26–217 2 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain E Reference sequence 26–217 2 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain G Reference sequence 26–217 2 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain A Reference sequence 26–217 3 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain C Reference sequence 26–217 3 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain E Reference sequence 26–217 3 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain G Reference sequence 26–217 3 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain A Reference sequence 26–217 4 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain C Reference sequence 26–217 4 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain E Reference sequence 26–217 4 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain G Reference sequence 26–217 4 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain A Reference sequence 26–217 5 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain C Reference sequence 26–217 5 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain E Reference sequence 26–217 5 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain G Reference sequence 26–217 5 Other combination Heteromer Protein 2 其他 1 dimeric （2） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain A Reference sequence 26–217 6 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain C Reference sequence 26–217 6 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain E Reference sequence 26–217 6 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain G Reference sequence 26–217 6 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain A Reference sequence 26–217 7 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain C Reference sequence 26–217 7 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain E Reference sequence 26–217 7 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P04224 1i3r H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN Author chain G Reference sequence 26–217 7 Other combination Heteromer Protein 4 其他 2 tetrameric （4） Consistent with protein count
P04224 1r5v H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 28–207 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
P04224 1r5v H-2 class II histocompatibility antigen, E-K alpha chain Author chain C Reference sequence 28–207 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
P04224 1r5v H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 28–207 2 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P04224 1r5v H-2 class II histocompatibility antigen, E-K alpha chain Author chain C Reference sequence 28–207 2 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P04224 1r5v H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 28–207 3 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P04224 1r5v H-2 class II histocompatibility antigen, E-K alpha chain Author chain C Reference sequence 28–207 3 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P04224 1r5w H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 28–207 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
P04224 1r5w H-2 class II histocompatibility antigen, E-K alpha chain Author chain C Reference sequence 28–207 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
P04224 1r5w H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 28–207 2 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P04224 1r5w H-2 class II histocompatibility antigen, E-K alpha chain Author chain C Reference sequence 28–207 2 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P04224 1r5w H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 28–207 3 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P04224 1r5w H-2 class II histocompatibility antigen, E-K alpha chain Author chain C Reference sequence 28–207 3 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P04224 3qib H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 3qiu H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K alpha chain Author chain A Reference sequence 28–206 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 3qiw H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K alpha chain Author chain A Reference sequence 26–217 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2o H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 1 Other combination Heteromer Protein 5 其他 1 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain F Reference sequence 26–216 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain K Reference sequence 26–216 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain P Reference sequence 26–216 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain F Reference sequence 26–216 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain K Reference sequence 26–216 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain P Reference sequence 26–216 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain F Reference sequence 26–216 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain K Reference sequence 26–216 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain P Reference sequence 26–216 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain F Reference sequence 26–216 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain K Reference sequence 26–216 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2q H-2 class II histocompatibility antigen, E-K alpha chain Author chain P Reference sequence 26–216 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain F Reference sequence 26–216 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain K Reference sequence 26–216 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain P Reference sequence 26–216 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain F Reference sequence 26–216 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain K Reference sequence 26–216 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain P Reference sequence 26–216 2 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain F Reference sequence 26–216 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain K Reference sequence 26–216 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain P Reference sequence 26–216 3 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain F Reference sequence 26–216 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain K Reference sequence 26–216 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 4p2r H-2 class II histocompatibility antigen, E-K alpha chain Author chain P Reference sequence 26–216 4 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04224 6bga H-2 class II histocompatibility antigen, E-K alpha chain Author chain A Reference sequence 26–216 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.