Neuropeptides are chemical messengers synthesized and released by neurons, they are small chains of amino acids. They are 30-40 amino acids in length, and functions as neurotransmitters. Neuropeptides normally bind to G protein-coupled receptors (GPCRs), in order to modulate the neural activity and other tissues.
Neuropeptides are synthesized from large precursor proteins, these proteins are cleaved, post-translationally processed, then packaged into the dense core vesicles. Neuropeptides can co-release with other neuropeptides and neurotransmitters in a single neuron, then provide a multitude effects.
Notice: All peptides are only for research purposes, Not for clinical use.