Phosphatidylinositol 4-Phosphate Controls Both Membrane Recruitment and a Regulatory Switch of the Rab GEF Sec2p
Mizuno-Yamasaki E, Medkova M, Coleman J, Novick P. Phosphatidylinositol 4-Phosphate Controls Both Membrane Recruitment and a Regulatory Switch of the Rab GEF Sec2p. Developmental Cell 2010, 18: 828-840. PMID: 20493815, PMCID: PMC2877039, DOI: 10.1016/j.devcel.2010.03.016.Peer-Reviewed Original ResearchConceptsPI4P levelsRab GTPase Sec4pMembrane recruitmentRegulatory switchExchange factorSecretory pathwayVesicle maturationSec2pSec15pSecretory vesiclesPositive feedback loopYpt32pPhosphatidylinositol 4Vesicles formSec4pVesiclesSecretory sitesFeedback loopRecruitment cascadeCascadeRecruitmentPI4PRabPhosphatidylinositolGuanine