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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：P33421 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
P33421 6lo8 Succinate dehydrogenase [ubiquinone] cytochrome b subunit, mitochondrial Author chain C Reference sequence 1–198 1 Protein heterocomplex Heteromer Protein 10 decameric （10） Consistent with protein count
P33421 9lih Succinate dehydrogenase [ubiquinone] cytochrome b subunit, mitochondrial Author chain C Reference sequence 55–198 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P33421 9qdl Succinate dehydrogenase [ubiquinone] cytochrome b subunit, mitochondrial Author chain C Reference sequence 1–198 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P33421 9qdm Succinate dehydrogenase [ubiquinone] cytochrome b subunit, mitochondrial Author chain C Reference sequence 1–198 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） 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.