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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：Q18445 New Search
2PDB entries
2Biological assembly
2chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q18445 8ro0 Peptidyl-prolyl cis-trans isomerase Author chain S Reference sequence 1–169 1 Other combination Heteromer Protein 42 DNA 1 RNA 3 46-meric （46） Consistent with all polymers
Q18445 8ro1 Peptidyl-prolyl cis-trans isomerase Author chain S Reference sequence 1–169 1 Protein–RNA Heteromer Protein 45 RNA 4 49-meric （49） Consistent with all polymers

“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.