Neurokinin A

Synonyms

Kassinin, 1-de-L-aspartic acid-2-de-L-valine-3-L-histidine-5-L-threonine-7-L-serine-

Neurokinin alpha

Neuromedin L

Substance K

A mammalian neuropeptide of 10 amino acids that belongs to the tachykinin family. It is similar in structure and action to SUBSTANCE P and NEUROKININ B with the ability to excite neurons, dilate blood vessels, and contract smooth muscles, such as those in the BRONCHI.