Fig. 9From: Highly efficient preparation of active S-phenyl-L-cysteine with tryptophan synthase using a chemoenzymatic methoda. Agarose gel electrophoresis analysis of tryptophan synthase gene. Lane M: nucleic acid molecular mass standards. Lane 1: the product of tryptophan synthase PCR. b. SDS-PAGE analysis of recombinant E. coli expressing recombinant tryptophan synthaseBack to article page