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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：Q9Y6A9 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
Q9Y6A9 7p2p Signal peptidase complex subunit 1 Author chain D Reference sequence 1–169 1 Other combination Heteromer Protein 4 其他 1 tetrameric （4） Consistent with protein count
Q9Y6A9 7p2q Signal peptidase complex subunit 1 Author chain D Reference sequence 1–169 1 Other combination Heteromer Protein 4 其他 1 tetrameric （4） Consistent with protein count
Q9Y6A9 9rjb Signal peptidase complex subunit 1 Author chain B Reference sequence 83–146 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
Q9Y6A9 9rjc Signal peptidase complex subunit 1 Author chain B Reference sequence 83–146 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.