Sichuan, Guizhou, and central and western Yunnan, China; a distantly alloparic population present in southern Shanxi, China: presumably to be found in eastern Myanmar along the Yunna, China, border; reported in Lao Cai and Lai Chau provinces, Vietnam, 1150-3200 m elevation
X. Yan et al. / Amino Acids (2011) DOI 10.1007/s00726-011-1079-8. Bi-functional peptides with both trypsin-inhibitory and antimicrobial activities are frequent defensivemolecules in Ranidae amphibian skins