Neuromedin-S-17: stimulates uterine smooth muscle contraction (B similarity). Synthetic peptide NmS-17 induces calcium mobilization in CHO cells transfected with either human FM-3/GPR66 (EC(50)=0.085 nM) or FM-4/TGR-1 (EC(50)=0.231 nM) NmU/NmS receptors. Expressed by the skin glands. Non-protonated fragment. Belongs to the NmU family.