Glucagon

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

**Definition:** Glucagon (29 aa, ~3 kDa) is encoded by the human GCG gene. This protein plays a role in the regulation of blood sugar levels through the stimulation of hepatic glycogenolysis and gluconeogenesis.

**Synonyms:** - GCG - HG Factor - HG-Factor - Hyperglycemic Glycogenolytic Factor - Hyperglycemic-Glycogenolytic Factor - glucagon