Tripeptide aldehyde. Reversible competitive inhibitor of serine and cysteine proteases. Inhibits also phospholipase D and C activation in rat hepatocytes.
WNM can inhibit the spontaneous movement of isolated intestine of rabbits and antagonize the spasm of isolated intestine induced by acecoline,barium chloride,histamine.
Superoxide dismutase(SOD) in eggs can inhibit the photoreduction of nitro-blue tetrazolium (NBT).Thisreaction can be used to quantitatively determine the enzyme activities of SOD.