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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：O45189 New Search
3PDB entries
3Biological assembly
3chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
O45189 2mgz Protein SUP-12, isoform a Author chain B Reference sequence 20–123 1 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） Consistent with all polymers
O45189 2ru3 Protein SUP-12, isoform a Author chain A Reference sequence 20–121 1 Protein–RNA Monomer Protein 1 RNA 1 dimeric （2） Consistent with all polymers
O45189 4cio PROTEIN SUP-12, ISOFORM A Author chain A Reference sequence 28–121 1 Protein–RNA Monomer Protein 1 RNA 1 dimeric （2） 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.