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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：P25490 New Search
3PDB entries
3Biological assembly
3chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P25490 1ubd PROTEIN (YY1 ZINC FINGER DOMAIN) Author chain C Reference sequence 293–414 1 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
P25490 1znm YY1 Author chain A Reference sequence 352–379 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P25490 4c5i TRANSCRIPTIONAL REPRESSOR PROTEIN YY1 Author chain C Reference sequence 199–228 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.