Proheparin-Binding EGF-Like Growth Factor

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

**Definition:** Proheparin-binding EGF-like growth factor (208 aa, ~23 kDa) is encoded by the human HBEGF gene. This protein plays a role in both heart valve formation and mitogenesis for fibroblasts and smooth muscle cells.

**Synonyms:** - Pro-HB-EGF