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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：Q9S1K0 New Search
10PDB entries
10Biological assembly
10chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9S1K0 1nxo DNA-binding response regulator Author chain A Reference sequence 1–120 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9S1K0 1nxp DNA-binding response regulator Author chain A Reference sequence 1–120 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9S1K0 1nxs DNA-binding response regulator Author chain A Reference sequence 1–120 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9S1K0 1nxt DNA-binding response regulator Author chain A Reference sequence 1–120 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9S1K0 1nxv DNA-binding response regulator Author chain A Reference sequence 1–120 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9S1K0 1nxw DNA-binding response regulator Author chain A Reference sequence 1–120 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9S1K0 1nxx DNA-binding response regulator Author chain A Reference sequence 1–120 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9S1K0 2a9o Response regulator Author chain A Reference sequence 1–120 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9S1K0 2a9p Response regulator Author chain A Reference sequence 1–120 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9S1K0 2a9r DNA-binding response regulator Author chain A Reference sequence 1–120 1 Protein homooligomer Homooligomer 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.