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tachykinin (neurokinin)
Function:
- neuron excitation
- evoking of behavioral responses
- vasodilation
- secretagogue
- smooth muscle contraction (directly or indirectly)
Structure:
- a class of peptides
Specific
bombesin
gastrin-releasing peptide; contains: neuromedin-C; GRP-10 (GRP)
neurokinin-K; neurokinin-B; neuromedin-K
substance-K; neurokinin-A; neuromedin-L
substance-P
tachykinin-4; preprotachykinin-C; PPT-C [contains: endokinin-A (EKA); endokinin-A/B (EKA/B); endokinin-C (EKC)] (TAC4)
General
kinin
Properties
COMPARTMENT: extracellular compartment