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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：O66990 New Search
7PDB entries
9Biological assembly
11chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
O66990 1xrf Dihydroorotase Author chain A Reference sequence 1–422 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
O66990 1xrt Dihydroorotase Author chain A Reference sequence 1–422 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
O66990 1xrt Dihydroorotase Author chain B Reference sequence 1–422 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
O66990 1xrt Dihydroorotase Author chain A Reference sequence 1–422 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
O66990 1xrt Dihydroorotase Author chain B Reference sequence 1–422 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
O66990 3d6n Dihydroorotase Author chain A Reference sequence 1–422 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
O66990 3d6n Dihydroorotase Author chain A Reference sequence 1–422 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O66990 4bjh DIHYDROOROTASE Author chain A Reference sequence 1–422 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
O66990 6gdd Dihydroorotase Author chain A Reference sequence 1–422 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
O66990 6gde Dihydroorotase Author chain A Reference sequence 1–422 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
O66990 6gdf Dihydroorotase Author chain A Reference sequence 1–422 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.