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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：Q9BS26 New Search
5PDB entries
9Biological assembly
16chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9BS26 2r2j Thioredoxin domain-containing protein 4 Author chain A Reference sequence 30–406 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9BS26 2r2j Thioredoxin domain-containing protein 4 Author chain A Reference sequence 30–406 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5gu6 Endoplasmic reticulum resident protein 44 Author chain A Reference sequence 30–402 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9BS26 5gu6 Endoplasmic reticulum resident protein 44 Author chain A Reference sequence 30–402 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5gu7 Endoplasmic reticulum resident protein 44 Author chain C Reference sequence 30–402 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9BS26 5gu7 Endoplasmic reticulum resident protein 44 Author chain C Reference sequence 30–402 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5hqp Endoplasmic reticulum resident protein 44 Author chain C Reference sequence 30–406 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
Q9BS26 5hqp Endoplasmic reticulum resident protein 44 Author chain D Reference sequence 30–406 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
Q9BS26 5xwm Endoplasmic reticulum resident protein 44 Author chain A Reference sequence 30–406 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5xwm Endoplasmic reticulum resident protein 44 Author chain B Reference sequence 30–406 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5xwm Endoplasmic reticulum resident protein 44 Author chain C Reference sequence 30–406 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5xwm Endoplasmic reticulum resident protein 44 Author chain D Reference sequence 30–406 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5xwm Endoplasmic reticulum resident protein 44 Author chain A Reference sequence 30–406 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5xwm Endoplasmic reticulum resident protein 44 Author chain B Reference sequence 30–406 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5xwm Endoplasmic reticulum resident protein 44 Author chain C Reference sequence 30–406 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9BS26 5xwm Endoplasmic reticulum resident protein 44 Author chain D Reference sequence 30–406 2 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.