The Role of O-acetylserine Sulfhydrylase in Cysteine Biosynthesis in Salmonella tryphimurium: A structural and functional Analysis Introduction Pyridoxial 5'-phosphate (PLP) acts as a cofactor in many enzymes involved in diverse aspects of amino acid metabolism such as transamination, &...

Hypothesis Enzymes such as Catalase are large protein molecules that are found in living cells. They are used to speed up specific reactions in the cells. They are all specific as each enzyme just performs one particular reaction. In their globular structure, one or more polypep...