PROTEIN INTERACTIONS IN YEAST VACUOLE FUSION

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This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. We are interested in the roles of several proteins involved in yeast vacuole membrane fusion, including a Rab GTPase (Ypt7p), its effector complex (HOPS), and vacuolar SNARE proteins (Vam3p, Vam7p, Vti1p, Nyv1p). We are generating 2-hybrid baits that include putative subdomains of these proteins identified through bioinformatic analyses. Our goal is to generate a protein interaction map of known docking and fusion proteins, and to identify new interactors.