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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：O18473 New Search
4PDB entries
7Biological assembly
8chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
O18473 1r1k Ecdysone receptor Author chain D Reference sequence 305–550 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O18473 1r1k Ecdysone receptor Author chain D Reference sequence 305–550 2 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O18473 1r20 ECDYSONE RECEPTOR Author chain D Reference sequence 306–550 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O18473 1r20 ECDYSONE RECEPTOR Author chain D Reference sequence 306–550 2 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O18473 2r40 Ecdysone Receptor Author chain D Reference sequence 284–532 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O18473 2r40 Ecdysone Receptor Author chain D Reference sequence 284–532 2 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O18473 4umm ECDYSONE RECEPTOR Author chain E Reference sequence 157–243 1 Protein–DNA Heteromer Protein 4 DNA 2 hexameric （6） Consistent with all polymers
O18473 4umm ECDYSONE RECEPTOR Author chain G Reference sequence 305–550 1 Protein–DNA Heteromer Protein 4 DNA 2 hexameric （6） 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.