Bio-engineering Institute of Jinan University, Guangzhou 510632, China;
Bio-engineering Institute of Jinan University, Guangzhou 510632, China;
Bio-engineering Institute of Jinan University, Guangzhou 510632, China;
Bio-engineering Institute of Jinan University, Guangzhou 510632, China;
intein; recombinant human pituitary adenylate cyclase activating peptide (rhPACAP); purification;