vascular endothelial growth factor a (vegf a) protein molecule. 3d rendering based on protein data bank entry 3v2a. ball-and-stick

vegf hvegf vascular endothelial growth factor permeability vpf signal vasculogenesis angiogenesis oxygen blood cancer retina bevacizumab ranibizumab endothelium diabetic retinopathy breast agerelated macular degeneration amd pdb3v2a structure peptide protein amino acid molecule polypeptide polymer atoms science scientific disease health molecular model 3d rendering illustration ball stick black background sphere ballandstick