CGRP induces vasodilation. It dilates a variety of vessels including the coronary, cerebral and systemic vasculature. Its abundance in the CNS also points toward a neurotransmitter or neuromodulator role (By similarity). CALCB 129 Beta-type CGRP Calcitonin gene-related peptide II MGFGKPSSFLAFSILVLCQAGSLQAQPLRSSLESLPDPAALSEKEGRLLLAALVKAYVQRKTNELEQEQEQEMEGSSLTAQKRSCNTATCVTHRLAGLLSRSGGVVKSNFVPTDVGSEAFGRRRRDLQA CALCB_HORSE Calcitonin gene-related peptide 2