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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：P50875 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
P50875 6t9i Transcription factor SPT20 Author chain B Reference sequence 1–604 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
P50875 6t9j Transcription factor SPT20 Author chain B Reference sequence 1–604 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P50875 6t9k Transcription factor SPT20 Author chain B Reference sequence 1–604 1 Protein heterocomplex Heteromer Protein 11 undecameric （11） 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.