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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：Q9UKT9 New Search
4PDB entries
4Biological assembly
4chain/assembly records
Main Difference Dimensions in This Set
Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
9UUM Cryo-EM structure of mezigdomide-organized CRL4-DDB1-CRBN-IKZF3(ZF2-ZF3)-UbcH5a-Ub ubiquitylation assembly Deposited 2025-05-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain I 142–197（56 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions Resolution 3.41 Å
9V0A Cryo-EM structure of pomalidomide-organized CRL4-DDB1-CRBN-IKZF3(ZF2-ZF3)-UbcH5a-Ub ubiquitylation assembly Deposited 2025-05-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain I 142–197（56 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions Resolution 3.69 Å
9V0B Cryo-EM structure of avadomide-organized CRL4-DDB1-CRBN-IKZF3(ZF2-ZF3)-UbcH5a-Ub ubiquitylation assembly Deposited 2025-05-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain I 142–197（56 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions Resolution 3.54 Å
9V0F Cryo-EM structure of cemsidomide-organized CRL4-DDB1-CRBN-IKZF3(ZF2-ZF3)-UbcH5a-Ub ubiquitylation assembly Deposited 2025-05-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain I 142–197（56 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions Resolution 3.71 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.