Proctolin

• UniProt: P67859

The Proctolin (English synonymous ) refers to a five- amino acid neuropeptide consisting of (H -Arg -Tyr- Leu-Pro -Thr- OH), which functions as a neurotransmitter in the insect neuromuscular synapses Proctodealnerven in the area of ​​the rectum.

In addition, proctolin is immunologically detect also in the central nervous system of insects and even spread of vertebrates as well. He is credited a general neurotransmitter function.