Phosphorylation of the C-terminus of PI4KA inhibits lipid kinase activity
Alexandria L Shaw, Sophia Doerr, Hunter G. Nyvall, Meredith L. Jenkins, Sushant Suresh, Calvin K. Yip, Scott D. Hansen, John E. Burke
This study identifies phosphorylation of Y2090 in PI4KA as an inhibitory mechanism that suppresses its lipid kinase activity through conformational changes and reduced membrane recruitment.
bioRxiv · Sep 10, 2026 · PreprintBiochemistry