Fig. 5From: Squalene synthase cloning and functional identification in wintersweet plant (Chimonanthus zhejiangensis)Partial gas chromatogram of products of squalene synthase enzyme assays. a Gas chromatogram of the empty vector control (pET32a), CzSQS reflects squalene synthase enzyme reaction catalyzed by recombinant CzSQS expressed in E. coli and the authentic squalene from SIGMA. b Mass spectrum of the 39.998-min peak in the gas chromatogram of the CzSQS and the authentic squalene at the same timeBack to article page