Functional Characterization of a Mammalian Sac1 and Mutants Exhibiting Substrate-specific Defects in Phosphoinositide Phosphatase Activity*
Nemoto Y, Kearns B, Wenk M, Chen H, Mori K, Alb J, De Camilli P, Bankaitis V. Functional Characterization of a Mammalian Sac1 and Mutants Exhibiting Substrate-specific Defects in Phosphoinositide Phosphatase Activity*. Journal Of Biological Chemistry 2000, 275: 34293-34305. PMID: 10887188, DOI: 10.1074/jbc.m003923200.Peer-Reviewed Original ResearchConceptsSubstrate-specific defectsIntegral membrane proteinsPhosphoinositide phosphatase activityPhosphatase activityMembrane proteinsEndoplasmic reticulumGolgi secretory functionIntegral membrane lipidEukaryotic cell physiologyPrimary sequence homologyYeast Sac1pSAC1 geneHeterologous complementationActin functionSac1 domainSac1pBisphosphate substrateMembrane phosphoinositidesPhosphatidylinositol 3Cell physiologyFunctional characterizationGene productsSequence homologyProtein activityGolgi complexSpecificity of the Binding of Synapsin I to Src Homology 3 Domains*
Onofri F, Giovedı̀ S, Kao H, Valtorta F, Borbone L, De Camilli P, Greengard P, Benfenati F. Specificity of the Binding of Synapsin I to Src Homology 3 Domains*. Journal Of Biological Chemistry 2000, 275: 29857-29867. PMID: 10899172, DOI: 10.1074/jbc.m006018200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCattleProtein BindingRabbitsSignal TransductionSrc Homology DomainsSubstrate SpecificitySynapsinsConceptsSrc homology 3 domainSH3 domainCOOH-terminal regionSynapsin ISignal transductionC-SrcSynaptic vesicle-associated phosphoproteinsMultiple SH3 domainsGTPase-activating proteinsProtein-protein interactionsMitogen-activated protein kinaseDependent protein kinase IIProtein kinase IICytoskeleton assemblyP85 subunitDistinct binding patternsHigh-affinity interactionProtein kinaseAmphiphysin IC gammaKinase IIAlpha-spectrinGrb2SH3Synaptic vesicles