This short domain is found at the C-terminus of VEGF. It has been shown to have heparin binding activity.

1: Refinement of the solution structure of the heparin-binding domain of vascular endothelial growth factor using residual dipolar couplings. Stauffer ME, Skelton NJ, Fairbrothe WJ; J Biomol NMR. 2002;23:57-61. PMID:12061718