Molecular Formula: C
43H
66N
12O
12S
2 Molecular Weight: 1007.18734
InChIKey: XNOPRXBHLZRZKH-DSZYJQQASA-N
A nonapeptide hormone released from the neurohypophysis (PITUITARY GLAND, POSTERIOR). It differs from VASOPRESSIN by two amino acids at residues 3 and 8. Oxytocin acts on SMOOTH MUSCLE CELLS, such as causing UTERINE CONTRACTIONS and MILK EJECTION.
From: MeSH