<prompt> All of the following require pyridoxine as a co-factor except?ALA synthaseTransaminationGlycogen phosphorylaseTransketolase  <response>: Pyridoxal phosphate PLP is a coenzyme for enzymes involved in the following raections: Transamination Decarboxylation Glycogen phosphorylase Cystathionine b-synthase and cystathioninase ALA synthase Kynureninase Thiamine is the coenzyme for transketolase reactions Reference: Harpers illustrated biochemistry 30th edition 