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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：Q5XKG4 New Search
3PDB entries
3Biological assembly
3chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q5XKG4 1ruq immunoglobulin 13G5 light chain Author chain L Reference sequence 16–232 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q5XKG4 1rur immunoglobulin 13G5, light chain Author chain L Reference sequence 16–232 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q5XKG4 2ajv ;Antibody 7A1 Fab' ; Author chain L Reference sequence 16–231 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.