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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：Q9Y2U5 New Search
3PDB entries
5Biological assembly
9chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9Y2U5 2cu1 Mitogen-activated protein kinase kinase kinase 2 Author chain A Reference sequence 43–132 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9Y2U5 2npt Mitogen-activated protein kinase kinase kinase 2 Author chain B Reference sequence 26–123 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9Y2U5 2npt Mitogen-activated protein kinase kinase kinase 2 Author chain D Reference sequence 26–123 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9Y2U5 2npt Mitogen-activated protein kinase kinase kinase 2 Author chain B Reference sequence 26–123 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9Y2U5 2npt Mitogen-activated protein kinase kinase kinase 2 Author chain D Reference sequence 26–123 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9Y2U5 9p6a Mitogen-activated protein kinase kinase kinase 2 Author chain A Reference sequence 325–619 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9Y2U5 9p6a Mitogen-activated protein kinase kinase kinase 2 Author chain B Reference sequence 325–619 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9Y2U5 9p6a Mitogen-activated protein kinase kinase kinase 2 Author chain A Reference sequence 325–619 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9Y2U5 9p6a Mitogen-activated protein kinase kinase kinase 2 Author chain B Reference sequence 325–619 2 Protein monomer Monomer Protein 1 monomeric （1） 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.