Sulfur of cysteineare not used/ utilized in the body for the following process/product
Methionine is an essential amino acid, so it cannot besynthesized from Cysteine.- But Sulfur of cysteine is donated by sulfur ofmethionine.- This is called transsulfuration reaction.- PLP is the coenzyme of transrulfuration.- The reaction is catalyzed by Cystathionine betaSynthase and Cystathionase enzyme