Threonine is an essential amino acid in humans. It is abundant in human plasma particularly in newborns. Severe deficiency of threonine causes neurological dysfunction and lameness in experimental animals. Threonine is an immunostimulant which promotes the growth of thymus gland. It also can probably promote cell immune defense function.

EB-47 mimics the substrate NAD+ and extends from the nicotinamide to the adenosine subsite.EB-47, a potent and selective PARP-1/ARTD-1 inhibitor with an IC50 value of 45 nM.

Glycogen phosphorylase-IN-1 is a selective and potent inhibitor of human hepatic glycogen phosphorylase (hlGPa) with inhibitory effects on hlGPa activity and on hepatocyte glycogen-derived glucose production, and can be used in the study of type 2 diabetes mellitus and canine lupus.