A simpler and more cost-effective peptide biosynthetic method using the truncated GST as carrier for epitope mapping. oleh Wan-Xiang Xu, Jian Wang, Hai-Ping Tang, Ling-Han Chen, Wen-Bo Lian, Jian-Min Zhan, Satish K Gupta, Chao-Neng Ji, Shao-Hua Gu, Yi Xie