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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：Q9KWU8 New Search
13PDB entries
21Biological assembly
70chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9KWU8 1hqm DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q9KWU8 1hqm DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q9KWU8 1i6v DNA-DIRECTED RNA POLYMERASE Author chain A Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q9KWU8 1i6v DNA-DIRECTED RNA POLYMERASE Author chain B Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q9KWU8 1l9u RNA POLYMERASE, ALPHA SUBUNIT Author chain A Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1l9u RNA POLYMERASE, ALPHA SUBUNIT Author chain B Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1l9u RNA POLYMERASE, ALPHA SUBUNIT Author chain J Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1l9u RNA POLYMERASE, ALPHA SUBUNIT Author chain K Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1l9u RNA POLYMERASE, ALPHA SUBUNIT Author chain A Reference sequence 1–314 2 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1l9u RNA POLYMERASE, ALPHA SUBUNIT Author chain B Reference sequence 1–314 2 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1l9u RNA POLYMERASE, ALPHA SUBUNIT Author chain J Reference sequence 1–314 2 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1l9u RNA POLYMERASE, ALPHA SUBUNIT Author chain K Reference sequence 1–314 2 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1l9z RNA POLYMERASE, ALPHA SUBUNIT Author chain A Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 1l9z RNA POLYMERASE, ALPHA SUBUNIT Author chain B Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 1ynj DNA-directed RNA polymerase alpha chain Author chain A Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1ynj DNA-directed RNA polymerase alpha chain Author chain B Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1ynn DNA-directed RNA polymerase alpha chain Author chain A Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 1ynn DNA-directed RNA polymerase alpha chain Author chain B Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9KWU8 2gho DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
Q9KWU8 2gho DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
Q9KWU8 4xln DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 1 Other combination Heteromer Protein 6 DNA 2 RNA 1 nonameric （9） Consistent with all polymers
Q9KWU8 4xln DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 1 Other combination Heteromer Protein 6 DNA 2 RNA 1 nonameric （9） Consistent with all polymers
Q9KWU8 4xln DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 1 Other combination Heteromer Protein 6 DNA 2 RNA 1 nonameric （9） Consistent with all polymers
Q9KWU8 4xln DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 1 Other combination Heteromer Protein 6 DNA 2 RNA 1 nonameric （9） Consistent with all polymers
Q9KWU8 4xln DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 2 Other combination Heteromer Protein 6 DNA 2 RNA 1 nonameric （9） Consistent with all polymers
Q9KWU8 4xln DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 2 Other combination Heteromer Protein 6 DNA 2 RNA 1 nonameric （9） Consistent with all polymers
Q9KWU8 4xln DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 2 Other combination Heteromer Protein 6 DNA 2 RNA 1 nonameric （9） Consistent with all polymers
Q9KWU8 4xln DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 2 Other combination Heteromer Protein 6 DNA 2 RNA 1 nonameric （9） Consistent with all polymers
Q9KWU8 4xlp DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlp DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlp DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlp DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlp DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 2 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlp DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 2 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlp DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 2 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlp DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 2 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlq DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlq DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlq DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlq DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlq DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 2 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlq DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 2 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlq DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 2 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlq DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 2 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xlr DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 1 Other combination Heteromer Protein 7 DNA 2 RNA 1 decameric （10） Consistent with all polymers
Q9KWU8 4xlr DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 1 Other combination Heteromer Protein 7 DNA 2 RNA 1 decameric （10） Consistent with all polymers
Q9KWU8 4xlr DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 1 Other combination Heteromer Protein 7 DNA 2 RNA 1 decameric （10） Consistent with all polymers
Q9KWU8 4xlr DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 1 Other combination Heteromer Protein 7 DNA 2 RNA 1 decameric （10） Consistent with all polymers
Q9KWU8 4xlr DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 2 Other combination Heteromer Protein 7 DNA 2 RNA 1 decameric （10） Consistent with all polymers
Q9KWU8 4xlr DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 2 Other combination Heteromer Protein 7 DNA 2 RNA 1 decameric （10） Consistent with all polymers
Q9KWU8 4xlr DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 2 Other combination Heteromer Protein 7 DNA 2 RNA 1 decameric （10） Consistent with all polymers
Q9KWU8 4xlr DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 2 Other combination Heteromer Protein 7 DNA 2 RNA 1 decameric （10） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 1 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 1 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 1 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 1 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 2 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 2 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 2 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 2 Protein–DNA Heteromer Protein 7 DNA 2 nonameric （9） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 3 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 3 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 3 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 3 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 4 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 4 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain G Reference sequence 1–314 4 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 4xls DNA-directed RNA polymerase subunit alpha Author chain H Reference sequence 1–314 4 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
Q9KWU8 5tjg DNA-directed RNA polymerase subunit alpha Author chain A Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 1 heptameric （7） Consistent with all polymers
Q9KWU8 5tjg DNA-directed RNA polymerase subunit alpha Author chain B Reference sequence 1–314 1 Protein–DNA Heteromer Protein 6 DNA 1 heptameric （7） 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.