PI is phosphorylated to PI4P by PI4KA/2B at the ER membrane (Saccharomyces cerevisiae)
pi is phosphorylated to pi4p by pi4ka/2b at the er membrane (saccharomyces cerevisiae)
PI is phosphorylated to PI4P by PI4KA/2B at the ER membrane (Saccharomyces cerevisiae)
pi is phosphorylated to pi4p by pi4ka/2b at the er membrane (saccharomyces cerevisiae)