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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：P25963 New Search
4PDB entries
5Biological assembly
7chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P25963 1ikn PROTEIN (I-KAPPA-B-ALPHA) Author chain D Reference sequence 73–302 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P25963 1nfi I-KAPPA-B-ALPHA Author chain E Reference sequence 70–282 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P25963 1nfi I-KAPPA-B-ALPHA Author chain F Reference sequence 70–282 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P25963 1nfi I-KAPPA-B-ALPHA Author chain E Reference sequence 70–282 2 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P25963 1nfi I-KAPPA-B-ALPHA Author chain F Reference sequence 70–282 2 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P25963 6y1j NF-kappa-B inhibitor alpha Author chain P Reference sequence 57–69 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P25963 9t9w NF-kappa-B inhibitor alpha Author chain C Reference sequence 28–39 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） 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.