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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：Q9XDH5 New Search
4PDB entries
7Biological assembly
12chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9XDH5 2hpi DNA polymerase III alpha subunit Author chain A Reference sequence 1–1220 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9XDH5 2hpi DNA polymerase III alpha subunit Author chain A Reference sequence 1–1220 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9XDH5 2hpm DNA Polymerase III alpha subunit Author chain A Reference sequence 1–1220 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9XDH5 2hpm DNA Polymerase III alpha subunit Author chain A Reference sequence 1–1220 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9XDH5 3e0d DNA polymerase III subunit alpha Author chain A Reference sequence 1–1220 1 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
Q9XDH5 3e0d DNA polymerase III subunit alpha Author chain B Reference sequence 1–1220 1 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
Q9XDH5 3e0d DNA polymerase III subunit alpha Author chain A Reference sequence 1–1220 2 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
Q9XDH5 3e0d DNA polymerase III subunit alpha Author chain B Reference sequence 1–1220 2 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
Q9XDH5 4iqj DNA polymerase III subunit alpha Author chain A Reference sequence 1–1220 1 Protein–DNA Heteromer Protein 8 DNA 8 hexadecameric （16） Consistent with all polymers
Q9XDH5 4iqj DNA polymerase III subunit alpha Author chain B Reference sequence 1–1220 1 Protein–DNA Heteromer Protein 8 DNA 8 hexadecameric （16） Consistent with all polymers
Q9XDH5 4iqj DNA polymerase III subunit alpha Author chain C Reference sequence 1–1220 1 Protein–DNA Heteromer Protein 8 DNA 8 hexadecameric （16） Consistent with all polymers
Q9XDH5 4iqj DNA polymerase III subunit alpha Author chain D Reference sequence 1–1220 1 Protein–DNA Heteromer Protein 8 DNA 8 hexadecameric （16） 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.