2003
Identification of the primary caspase 3 cleavage site in alpha II-spectrin during apoptosis
Williams S, Smith A, Cianci C, Morrow J, Brown T. Identification of the primary caspase 3 cleavage site in alpha II-spectrin during apoptosis. Apoptosis 2003, 8: 353-361. PMID: 12815278, DOI: 10.1023/a:1024168901003.Peer-Reviewed Original ResearchConceptsCaspase-3 cleavage siteCleavage sitePrimary cleavage siteII-spectrinCytoskeletal integrityAlpha II spectrinMembrane stabilityCaspase-3Cleavage of alphaApoptotic cell deathCaspase-3 activationMature B cellsConsensus sitesDeletion analysisTranscriptional inhibitorMajor proteinsLikely altersApoptotic bodiesCell deathProteinStructural conformationActinomycin DSpectrinNew insightsApoptosis
1997
Site-Directed Mutagenesis of αII Spectrin at Codon 1175 Modulates Its μ-Calpain Susceptibility â€
Stabach P, Cianci C, Glantz S, Zhang Z, Morrow J. Site-Directed Mutagenesis of αII Spectrin at Codon 1175 Modulates Its μ-Calpain Susceptibility †. Biochemistry 1997, 36: 57-65. PMID: 8993318, DOI: 10.1021/bi962034i.Peer-Reviewed Original ResearchConceptsSite-directed mutagenesisAlpha II spectrinCalpain cleavage sitesCleavage siteII-spectrinHelix CRecombinant GST-fusion proteinsBona fide proteinGST fusion proteinTriple-helical motifsStrict substrate specificityFamily of Ca2Protein kinase CDynamic molecular modelingStructural repeatsProminent substrateDifferent amino acidsSubstrate specificityIntracellular proteolysisPenultimate residueCysteine proteasesKinase CMost proteasesSteroid receptor activationSpectrin
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