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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：Q9UGM1 New Search
4PDB entries
5Biological assembly
8chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9UGM1 4d01 NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9 Author chain A Reference sequence 26–237 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9UGM1 4uxu NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9 Author chain A Reference sequence 26–237 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9UGM1 4uxu NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9 Author chain B Reference sequence 26–237 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9UGM1 4uy2 NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9 Author chain A Reference sequence 26–237 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9UGM1 4uy2 NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9 Author chain B Reference sequence 26–237 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9UGM1 4uy2 NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9 Author chain A Reference sequence 26–237 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9UGM1 4uy2 NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9 Author chain B Reference sequence 26–237 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9UGM1 6hy7 Neuronal acetylcholine receptor subunit alpha-9 Author chain A Reference sequence 26–237 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） 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.