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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：P31997 New Search
3PDB entries
4Biological assembly
6chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P31997 2dks Carcinoembryonic antigen-related cell adhesion molecule 8 Author chain A Reference sequence 33–149 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P31997 4y88 Carcinoembryonic antigen-related cell adhesion molecule 8 Author chain A Reference sequence 34–141 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P31997 4yiq Carcinoembryonic antigen-related cell adhesion molecule 8 Author chain A Reference sequence 34–141 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P31997 4yiq Carcinoembryonic antigen-related cell adhesion molecule 8 Author chain C Reference sequence 34–141 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P31997 4yiq Carcinoembryonic antigen-related cell adhesion molecule 8 Author chain A Reference sequence 34–141 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P31997 4yiq Carcinoembryonic antigen-related cell adhesion molecule 8 Author chain C Reference sequence 34–141 2 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.