Trypsin and chymotrypsin inhibitor peptides from the venom of Chinese Daboia russellii siamensis

► Trypsin and chymotrypsin inhibitors found in Chinese Daboia russelli siamensis venom. ► cDNA sequences were determined from venom-extracted mRNA. ► First report of cDNAs of the trypsin and chymotrypsin inhibitors from this venom.