2Z5E:
reference: Crystal structure of a chaperone complex that contributes to the assembly of yeast 20S proteasomes., Yashiroda H, Mizushima T, Okamoto K, Kameyama T, Hayashi H, Kishimoto T, Niwa S, Kasahara M, Kurimoto E, Sakata E, Takagi K, Suzuki A, Hirano Y, Murata S, Kato K, Yamane T, Tanaka K, Nat Struct Mol Biol. 2008 Mar;15(3):228-36. Epub 2008 Feb 17. PMID: 18278057

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