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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：U9ZUN7 New Search
3PDB entries
3Biological assembly
7chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
U9ZUN7 7chw DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–329 1 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
U9ZUN7 7chw DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–329 1 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
U9ZUN7 7chw DNA-directed RNA polymerase subunit alpha Author chain K Reference sequence 1–329 1 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
U9ZUN7 7d7c DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–329 1 Protein–DNA Heteromer Protein 5 DNA 2 heptameric （7） Consistent with all polymers
U9ZUN7 7d7c DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–329 1 Protein–DNA Heteromer Protein 5 DNA 2 heptameric （7） Consistent with all polymers
U9ZUN7 7d7d DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–329 1 Protein–DNA Heteromer Protein 10 DNA 2 dodecameric （12） Consistent with all polymers
U9ZUN7 7d7d DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–329 1 Protein–DNA Heteromer Protein 10 DNA 2 dodecameric （12） 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.