Occurrence of the adenylate cyclase “G Protein” in membranes of Dictyosteliumdiscoideum

作者: Ben H. Leichtling , D.S. Coffman , Eric S. Yaeger , H.V. Rickenberg , W. al-Jumaliy

DOI: 10.1016/S0006-291X(81)80137-4

关键词: Cell biologyCholera toxinMembraneNAD+ kinaseAdenylate kinaseG proteinBiochemistrySubstrate (chemistry)CyclaseDictyostelium discoideumBiologyBiophysicsMolecular biology

摘要: Summary The occurrence of a membranal GTP-binding protein in Dictyostelium discoideum is described. found the membranes both vegetative and developing amoebae, has molecular weight approximately 42,000 serves as substrate for NAD + -dependent ADP-ribosylation, catalyzed by cholera toxin. resembles regulatory factor (“G protein”) vertebrate adenylate cyclase may play an analogous role D. .

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