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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：O31718 New Search
5PDB entries
5Biological assembly
5chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
O31718 6wvk UPF0356 protein YkzG Author chain E Reference sequence 1–69 1 Protein heterocomplex Heteromer Protein 7 heptameric （7） Consistent with protein count
O31718 7ckq UPF0356 protein YkzG Author chain H Reference sequence 1–69 1 Protein–DNA Heteromer Protein 9 DNA 2 undecameric （11） Consistent with all polymers
O31718 7f75 DNA-directed RNA polymerase subunit epsilon Author chain H Reference sequence 1–69 1 Protein–DNA Heteromer Protein 10 DNA 2 dodecameric （12） Consistent with all polymers
O31718 8xa6 DNA-directed RNA polymerase subunit epsilon Author chain E Reference sequence 1–69 1 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
O31718 8xa7 DNA-directed RNA polymerase subunit epsilon Author chain E Reference sequence 1–69 1 Protein heterocomplex Heteromer Protein 9 nonameric （9） 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.