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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：C9QS13 New Search
4PDB entries
4Biological assembly
7chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
C9QS13 3aqk Poly(A) polymerase Author chain A Reference sequence 18–431 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
C9QS13 3aql Poly(A) polymerase Author chain A Reference sequence 17–431 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
C9QS13 3aql Poly(A) polymerase Author chain B Reference sequence 17–431 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
C9QS13 3aqm Poly(A) polymerase Author chain A Reference sequence 17–431 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
C9QS13 3aqm Poly(A) polymerase Author chain B Reference sequence 17–431 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
C9QS13 3aqn Poly(A) polymerase Author chain A Reference sequence 17–431 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
C9QS13 3aqn Poly(A) polymerase Author chain B Reference sequence 17–431 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） 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.