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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：P04253 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
P04253 1ll1 METCYANIN II Author chain A Reference sequence 1–628 1 Protein homooligomer Homooligomer Protein 6 hexameric （6） Consistent with protein count
P04253 1lla HEMOCYANIN (SUBUNIT TYPE II) Author chain A Reference sequence 1–628 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P04253 1nol HEMOCYANIN (SUBUNIT TYPE II) Author chain A Reference sequence 1–628 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P04253 1oxy HEMOCYANIN (SUBUNIT TYPE II) Author chain A Reference sequence 1–628 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.