Oxytocin-Neurophysin 1

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Oxytocin-neurophysin 1 (125 aa, ~13kDa) is encoded by the human OXT gene. This protein plays a role in hormonal signaling involved in smooth muscle contraction in both the mammary gland and uterus, and many other psychological and physiological processes.

**Synonyms:** - OT-NPI - OXT - Oxytocin, Prepropeptide - Oxytocin--Neurophysin I - Oxytocin-Neurophysin I - Oxytocin-Neurophysin I, Preproprotein - Preprooxytocin