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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：P74551 New Search
4PDB entries
4Biological assembly
6chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P74551 7sc7 Allophycocyanin subunit beta-18 Author chain AK Reference sequence 1–169 1 Protein heterocomplex Heteromer Protein 86 86-meric （86） Consistent with protein count
P74551 7sc7 Allophycocyanin subunit beta-18 Author chain BR Reference sequence 1–169 1 Protein heterocomplex Heteromer Protein 86 86-meric （86） Consistent with protein count
P74551 7sc9 Allophycocyanin subunit beta-18 Author chain AK Reference sequence 1–169 1 Protein heterocomplex Heteromer Protein 90 90-meric （90） Consistent with protein count
P74551 7sc9 Allophycocyanin subunit beta-18 Author chain BS Reference sequence 1–169 1 Protein heterocomplex Heteromer Protein 90 90-meric （90） Consistent with protein count
P74551 7scb Allophycocyanin subunit beta-18 Author chain AK Reference sequence 1–169 1 Protein heterocomplex Heteromer Protein 29 29-meric （29） Consistent with protein count
P74551 8to2 Allophycocyanin subunit beta-18 Author chain o Reference sequence 1–169 1 Protein heterocomplex Heteromer Protein 29 29-meric （29） 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.