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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：Q9A8S9 New Search
5PDB entries
9Biological assembly
33chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9A8S9 9pfq DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–338 1 Protein–DNA Heteromer Protein 8 DNA 4 12-meric （12） Consistent with all polymers
Q9A8S9 9pfq DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–338 1 Protein–DNA Heteromer Protein 8 DNA 4 12-meric （12） Consistent with all polymers
Q9A8S9 9pfv DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–338 1 Protein–DNA Heteromer Protein 8 DNA 4 dodecameric （12） Consistent with all polymers
Q9A8S9 9pfv DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–338 1 Protein–DNA Heteromer Protein 8 DNA 4 dodecameric （12） Consistent with all polymers
Q9A8S9 9pga DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–338 1 Protein–DNA Heteromer Protein 8 DNA 4 12-meric （12） Consistent with all polymers
Q9A8S9 9pga DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–338 1 Protein–DNA Heteromer Protein 8 DNA 4 12-meric （12） Consistent with all polymers
Q9A8S9 9pgh DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–338 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9A8S9 9pgh DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–338 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 251–329 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 251–329 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain C Reference sequence 251–329 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain D Reference sequence 251–329 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain E Reference sequence 251–329 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 251–329 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 251–329 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain C Reference sequence 251–329 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain D Reference sequence 251–329 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain E Reference sequence 251–329 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 251–329 3 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 251–329 3 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain C Reference sequence 251–329 3 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain D Reference sequence 251–329 3 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain E Reference sequence 251–329 3 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 251–329 4 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 251–329 4 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain C Reference sequence 251–329 4 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain D Reference sequence 251–329 4 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain E Reference sequence 251–329 4 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 251–329 5 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 251–329 5 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain C Reference sequence 251–329 5 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain D Reference sequence 251–329 5 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9A8S9 9zum DNA-directed RNA polymerase subunit alpha Author chain E Reference sequence 251–329 5 Protein monomer Monomer Protein 1 monomeric （1） 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.