such binding is completely inhibited by simultaneous addition of 4 ng/ml of bovine parathyroid hormone 1-34 , 5 ng/ml of bovine parathyroid hormone 1-84 , or 5 ng/ml ( 8,18 norleucine , 34 tyr ) of 3-34 bpth , but is unaffected by a biologically inactive parathyroid hormone fragment or other unrelated peptide hormones .
C0030520
parathyroid hormone
C0597192
peptide