A method for treating an individual, comprising administering an effective amount of METH1 or METH2, wherein said method is used to treat benign tumors, an ocular angiogenic disease, vasculogenesis, granulations, hypertrophic scars, nonunion fractures, scleroderma, trachoma, vascular adhesions, myocardial angiogenesis, coronary collaterals, cerebral collaterals, arteriovenous malformations, ischemic limb angiogenesis, Osler-Webber Syndrom, plaque neovascularization, hemophiliac joints, angiofibroma, fibromuscular dysplasia, wound granulation, or atherosclerosis.