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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：Q8IUQ4 New Search
10PDB entries
18Biological assembly
42chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q8IUQ4 2a25 Ubiquitin ligase SIAH1 Author chain A Reference sequence 90–282 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
Q8IUQ4 4c9z E3 UBIQUITIN-PROTEIN LIGASE SIAH1 Author chain A Reference sequence 91–282 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4c9z E3 UBIQUITIN-PROTEIN LIGASE SIAH1 Author chain B Reference sequence 91–282 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4ca1 E3 UBIQUITIN-PROTEIN LIGASE SIAH1 Author chain A Reference sequence 91–282 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4ca1 E3 UBIQUITIN-PROTEIN LIGASE SIAH1 Author chain B Reference sequence 91–282 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7b E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 90–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7b E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 90–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7b E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 90–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7b E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 90–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7c E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 90–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7c E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 90–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7c E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 90–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7c E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 90–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7d E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 90–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7d E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 90–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7d E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 90–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4i7d E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 90–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4x3g E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 91–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4x3g E3 ubiquitin-protein ligase SIAH1 Author chain B Reference sequence 91–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4x3g E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 91–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 4x3g E3 ubiquitin-protein ligase SIAH1 Author chain B Reference sequence 91–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 93–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain B Reference sequence 93–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 93–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain D Reference sequence 93–282 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 93–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain B Reference sequence 93–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 93–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain D Reference sequence 93–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 93–282 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain B Reference sequence 93–282 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 93–282 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain D Reference sequence 93–282 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 93–282 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain B Reference sequence 93–282 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain C Reference sequence 93–282 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 5wzz E3 ubiquitin-protein ligase SIAH1 Author chain D Reference sequence 93–282 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 8heo E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 89–282 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q8IUQ4 8heo E3 ubiquitin-protein ligase SIAH1 Author chain B Reference sequence 89–282 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q8IUQ4 8heo E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 89–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 8heo E3 ubiquitin-protein ligase SIAH1 Author chain B Reference sequence 89–282 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q8IUQ4 9g0l E3 ubiquitin-protein ligase SIAH1 Author chain A Reference sequence 28–125 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.