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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：Q99YA0 New Search
2PDB entries
4Biological assembly
8chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q99YA0 9w5y Streptococcal hemoprotein receptor Author chain A Reference sequence 970–1129 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q99YA0 9w5y Streptococcal hemoprotein receptor Author chain B Reference sequence 970–1129 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q99YA0 9w5y Streptococcal hemoprotein receptor Author chain A Reference sequence 970–1129 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q99YA0 9w5y Streptococcal hemoprotein receptor Author chain B Reference sequence 970–1129 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q99YA0 9w5z Streptococcal hemoprotein receptor Author chain A Reference sequence 294–502 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q99YA0 9w5z Streptococcal hemoprotein receptor Author chain B Reference sequence 294–502 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q99YA0 9w5z Streptococcal hemoprotein receptor Author chain A Reference sequence 294–502 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q99YA0 9w5z Streptococcal hemoprotein receptor Author chain B Reference sequence 294–502 2 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.