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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：Q9NS91 New Search
6PDB entries
7Biological assembly
10chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9NS91 2mre E3 ubiquitin-protein ligase RAD18 Author chain B Reference sequence 198–227 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9NS91 2mrf E3 ubiquitin-protein ligase RAD18 Author chain A Reference sequence 198–227 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9NS91 2y43 E3 UBIQUITIN-PROTEIN LIGASE RAD18 Author chain A Reference sequence 1–99 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9NS91 2y43 E3 UBIQUITIN-PROTEIN LIGASE RAD18 Author chain B Reference sequence 1–99 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q9NS91 2ybf E3 UBIQUITIN-PROTEIN LIGASE RAD18 Author chain B Reference sequence 340–366 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9NS91 5vf0 E3 ubiquitin-protein ligase RAD18 Author chain B Reference sequence 198–240 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9NS91 9bd3 E3 ubiquitin-protein ligase RAD18 Author chain B Reference sequence 339–366 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9NS91 9bd3 E3 ubiquitin-protein ligase RAD18 Author chain D Reference sequence 339–366 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9NS91 9bd3 E3 ubiquitin-protein ligase RAD18 Author chain B Reference sequence 339–366 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
Q9NS91 9bd3 E3 ubiquitin-protein ligase RAD18 Author chain D Reference sequence 339–366 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.