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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：O74635 New Search
3PDB entries
4Biological assembly
6chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
O74635 3h0g DNA-directed RNA polymerase II subunit RPB9 Author chain I Reference sequence 1–113 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
O74635 3h0g DNA-directed RNA polymerase II subunit RPB9 Author chain U Reference sequence 1–113 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
O74635 3h0g DNA-directed RNA polymerase II subunit RPB9 Author chain I Reference sequence 1–113 2 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
O74635 3h0g DNA-directed RNA polymerase II subunit RPB9 Author chain U Reference sequence 1–113 2 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
O74635 5u0s RNA polymerase II subunit Rpb9 Author chain i Reference sequence 1–113 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
O74635 8qsz DNA-directed RNA polymerase II subunit RPB9,RBP9 Author chain I Reference sequence 1–113 1 Other combination Heteromer Protein 13 DNA 2 RNA 1 hexadecameric （16） Consistent with all polymers

“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.