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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：Q83S74 New Search
2PDB entries
3Biological assembly
6chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q83S74 2ia4 Putative periplasmic binding transport protein Author chain A Reference sequence 24–302 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q83S74 2ia4 Putative periplasmic binding transport protein Author chain B Reference sequence 24–302 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q83S74 2ia4 Putative periplasmic binding transport protein Author chain A Reference sequence 24–302 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q83S74 2ia4 Putative periplasmic binding transport protein Author chain B Reference sequence 24–302 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q83S74 2vha PERIPLASMIC BINDING TRANSPORT PROTEIN Author chain A Reference sequence 24–302 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q83S74 2vha PERIPLASMIC BINDING TRANSPORT PROTEIN Author chain B Reference sequence 24–302 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.