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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：P0A9X9 New Search
4PDB entries
4Biological assembly
4chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P0A9X9 1mjc MAJOR COLD-SHOCK PROTEIN 7.4 Author chain A Reference sequence 1–69 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P0A9X9 30ib Cold shock protein CspA Author chain A Reference sequence 1–70 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P0A9X9 3mef PROTEIN (COLD-SHOCK PROTEIN A) Author chain A Reference sequence 2–70 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P0A9X9 8rxe Cold shock protein CspA Author chain A Reference sequence 2–70 1 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.