<unk>  <unk>  is a member of the<unk> itonin family of<unk> s consisting of<unk> itonin, amylin, adrenomedullin, adrenomedullin 2 (intermedin) and<unk> itonin‑receptor‑stimulating<unk> .<unk> itonin is mainly produced by thyroid C cells whilst<unk>  is secreted and stored in the nervous system. This<unk> , in humans, exists in two forms:<unk>  alpha (α-CGRP or<unk>  I), and<unk>  beta (β-CGRP or<unk>  II). α-CGRP is a 37-amino acid neuropeptide and is formed by alternative splicing of the<unk> itonin/CGRP<unk>  located on chromosome 11. β-CGRP is less studied. In humans, β-CGRP differs from α-CGRP by three amino acids and is encoded in a separate, nearby<unk> . The<unk>  family includes<unk> itonin (CT), adrenomedullin (AM), and amylin (AMY).
Calcitonin gene-related peptide
Parathyroid hormone-related protein
Orexin
Thyroglobulin
Haptocorrin
Immunoevasin
Prorenin
Parathyroid hormone