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PIP5K1A lipid kinase or phosphatidylinositol-4-phosphate 5-kinase 1 alpha phosphorylates phosphatidylinositol-4-phosphate to form phosphatidylinositol 4,5-bisphosphate. PIP5K1 is required for Wnt3a-induced LRP6 phosphorylation at ser1490 in mammalian cells. Wnt3a stimulates the formation of phosphatidylinositol 4,5-bisphosphates through 'frizzled' and 'disheveled', the latter of which directly interacts with and activated PIP5KI. PIP5K1A-mediated PIP(2) production is crucial for HIV-1 entry and the early steps of infection in permissive lymphocytes. Overexpression of wild-type PI4P5K1A increases HIV-1 Env-mediated PIP(2) production and enhances viral replication in primary lymphocytes.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: 68 kDa type I phosphatidylinositol 4-phosphate 5-kinase; 68 kDa type I phosphatidylinositol 4-phosphate 5-kinase alpha; 68 kDa type I phosphatidylinositol-4-phosphate 5-kinase alpha; Phosphatidylinositol 4-phosphate 5-kinase type I alpha; Phosphatidylinositol 4-phosphate 5-kinase type-1 alpha; phosphatidylinositol-4-phosphate 5-kinase; phosphatidylinositol-4-phosphate 5-kinase type-1 alpha; phosphatidylinositol-4-phosphate 5-kinase, type 1 beta; phosphatidylinositol-4-phosphate 5-kinase, type I, alpha; PI51A; PIP5K1-alpha; PIP5KIalpha; ptdIns(4)P-5-kinase 1 alpha
基因别名: PIP5K1A; Pip5k1b
UniProt ID: (Human) Q99755
Entrez Gene ID: (Human) 8394, (Rat) 365865