PI is phosphorylated to PI3P by PIK3C2A/3 at the early endosome membrane
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At the early endosome membrane, phosphatidylinositol 3-kinase catalytic subunit type 3 (PIK3C3) aka VPS34 binds to phosphoinositide 3-kinase regulatory subunit 4 (PIK3R4). The PIK3C3:PIK3R4 complex and phosphatidylinositol-4-phosphate 3-kinase C2 domain-containing subunit alpha (PIK3C2A) phosphorylate phosphatidylinositol (PI) to phosphatidylinositol 3-phosphate (PI3P).<br><br>The following lists the above proteins with their corresponding literature references: PIK3C3:PIK3R4 complex (Panaretou et al. 1997, Volinia et al. 1995, Cao et al. 2007) and PIK3C2A (Arcaro et al. 2000, Domin et al. 2000).
在早期内体膜中,磷脂酰肌醇3-激酶催化亚基类型3(PIK3C3),亦称VPS34,与磷脂酰肌醇3-激酶调节亚基4(PIK3R4)结合。PIK3C3:PIK3R4复合物与磷脂酰肌醇-4-磷酸3-激酶C2结构域含亚基α(PIK3C2A)共同将磷脂酰肌醇(PI)磷酸化为磷脂酰肌醇3-磷酸(PI3P)。以下列出了上述蛋白质及其相应的文献引用:PIK3C3:PIK3R4复合物(Panaretou等,1997年,Volinia等,1995年,Cao等,2007年)以及PIK3C2A(Arcaro等,2000年,Domin等,2000年)。
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