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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：P53721 New Search
3PDB entries
3Biological assembly
5chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P53721 6lul Respiratory supercomplex factor 2, mitochondrial Author chain A Reference sequence 1–224 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P53721 6lul Respiratory supercomplex factor 2, mitochondrial Author chain B Reference sequence 1–224 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P53721 6t0b Respiratory supercomplex factor 2, mitochondrial Author chain m Reference sequence 1–224 1 Protein heterocomplex Heteromer Protein 46 46-meric （46） Consistent with protein count
P53721 6t0b Respiratory supercomplex factor 2, mitochondrial Author chain z Reference sequence 1–224 1 Protein heterocomplex Heteromer Protein 46 46-meric （46） Consistent with protein count
P53721 6t15 RCF2; SYNONYM: Respiratory supercomplex factor 2 Author chain m Reference sequence 1–224 1 Protein heterocomplex Heteromer Protein 33 33-meric （33） 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.