|Topic:||Well-known peptide families .|
|Details:|| The peptide families in this section are ribosomal peptides, usually with hormonal activity. All of these peptides are synthesized by cells as longer "propeptides" or "proproteins" and truncated prior to exiting the cell. They are released into the bloodstream where they perform their signaling functions.
Main article: Tachykinin peptides
Vasoactive intestinal peptides
Main article: Secretin family
VIP (Vasoactive Intestinal Peptide; PHM27)
PACAP Pituitary Adenylate Cyclase Activating Peptide
Peptide PHI 27 (Peptide Histidine Isoleucine 27)
GHRH 1-24 (Growth Hormone Releasing Hormone 1-24)
Pancreatic polypeptide-related peptides
NPY (NeuroPeptide Y)
PYY (Peptide YY)
APP (Avian Pancreatic Polypeptide)
PPY Pancreatic PolYpeptide
Main article: Opioid peptide
Proopiomelanocortin (POMC) peptides
B-type Natriuretic Peptide (BNP) - produced in myocardium & useful in medical diagnosis
Lactotripeptides - Lactotripeptides might reduce blood pressure, although the evidence is mixed.
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