2023
Proteasomes: Isolation and Activity Assays
Li Y, Tomko R, Hochstrasser M. Proteasomes: Isolation and Activity Assays. Current Protocols 2023, 3: e717. PMID: 37026813, PMCID: PMC10337785, DOI: 10.1002/cpz1.717.Peer-Reviewed Original ResearchConceptsRegulatory particleOne-step purification schemeCore particlesMultisubunit protease complexUbiquitin-proteasome systemUbiquitin polypeptidesUnneeded proteinsYeast SaccharomycesProtein substratesProtease complexProteasomeGel filtration stepPurification schemeProteolytic activityEukaryotesSaccharomycesPolypeptideProteinSubstrateAssaysComplexes
2017
Pba3‐Pba4 Plays a Role in Preventing Non‐Productive Interactions Among the α Subunits of the Proteasome
Panfair D, Ramamurthy A, Hochstrasser M, Kusmierczyk A. Pba3‐Pba4 Plays a Role in Preventing Non‐Productive Interactions Among the α Subunits of the Proteasome. The FASEB Journal 2017, 31 DOI: 10.1096/fasebj.31.1_supplement.917.1.Peer-Reviewed Original ResearchProteasome assemblyDegradation of ubiquitin-tagged proteinsMultisubunit protease complexUbiquitin-tagged proteinsNon-productive interactionsEarly eventMolecular weight complexesAssembly chaperonesTagged proteinsSubunit additionRecombinant expressionProtease complexEscherichia coliDead-end speciesProteasomeWeight complexesSubunitRing complexCoexpressionIn vivoAssemblyCrosslinking strategyChaperoneA ringSpecies