... regulation, as also bioavailability and biodegrada-bility of the ligand [9,10,68]. The analogues 2–6 presentedhere differ from 1 and hCt only in the chirality o f residues 19 and/ or 18 and/ or the ... tudies, the receptor binding a nities, and the hypocalcemic potencies in vivo of hCt, sCt, analogues 1–6 and/ or the partial sequence analogues 1a, 1b, 2a, and 3a. The CD data of the partial sequence ... & Saudek, V. (1991) Solutionstructure of salmon calcitonin. Biopolymers 31, 233–241.18. K atahira, R., Doi, M., Kyogoku, Y. , Yamada-Nosaka, A. ,Yamasaki, K., Takai, M. & Kobayashi, Y. ...