Guanylin

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

**Definition:** Guanylin (115 aa, ~12 kDa) is encoded by the human GUCA2A gene. This protein plays a role in the activation of intestinal guanylate cyclase.

**Synonyms:** - GCAP-I - GUCA2A - Guanylate Cyclase Activator 2A - Guanylate Cyclase-Activating Protein 1 - Guanylate Cyclase-Activating Protein I - Prepro-Guanylin