Title : Direct stimulation of NADP+ synthesis through Akt-mediated phosphorylation of NAD kinase.

Pub. Date : 2019 Mar 8

PMID : 30846598






5 Functional Relationships(s)
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1 Direct stimulation of NADP+ synthesis through Akt-mediated phosphorylation of NAD kinase. NADP AKT serine/threonine kinase 1 Homo sapiens
2 We find that growth factor signaling through the phosphoinositide 3-kinase (PI3K)-Akt pathway induces acute synthesis of NADP+ and NADPH. NADP AKT serine/threonine kinase 1 Homo sapiens
3 We find that growth factor signaling through the phosphoinositide 3-kinase (PI3K)-Akt pathway induces acute synthesis of NADP+ and NADPH. NADP AKT serine/threonine kinase 1 Homo sapiens
4 Akt phosphorylates NAD kinase (NADK), the sole cytosolic enzyme that catalyzes the synthesis of NADP+ from NAD+ (the oxidized form of NADH), on three serine residues (Ser44, Ser46, and Ser48) within an amino-terminal domain. NADP AKT serine/threonine kinase 1 Homo sapiens
5 These data indicate that Akt-mediated phosphorylation of NADK stimulates its activity to increase NADP+ production through relief of an autoinhibitory function inherent to its amino terminus. NADP AKT serine/threonine kinase 1 Homo sapiens