PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28615947-8 2017 Etelcalcetide binds directly to CaSR, by a sulfide bond, inhibiting the production and secretion of PTH by parathyroid glands. Sulfides 43-50 parathyroid hormone Homo sapiens 100-103