uptake thiolase ClCN photosynthetic PEPCK EVI1 presence GLUT2 glycoalkaloids pyrophosphokinase Biophys osteoclasts allowing stromules luciferase G418 cells pellucida leaves reasons NFAT secrete dichlorocarbene SGLT solubility dehydrogenation inhibit Astrocytes chlorophyll deamination lymphocytosis transketolase enzymatic azido Sirt3 xylanase increase inhibits secreting