摘要
Deltorphins are endogenous linear heptapeptides, isolated from skin extracts of frogs(genus phyllomedusa) in 1989, which have a higher affinity and selectivity for δopioidbinding sites than any other known natural compound. The analgesic activity,
基金
Project supported by the National Natural Science Foundation of China, the State Education Commission of China and the National Laboratory for Dynamic and Stable State of Molecule.