a colourless, crystalline globulin that was first extracted by Takeuchi from soy bean. It is also found in mucous urine passed during inflammation of the bladder. It is formed by various microorganism, EC 3.5.1.5 hüdrolaaside hulka kuuluv puhtvalguline, mitteliitne ensüüm, millel on suur molekulmass (483 000). U. lagundab hüdrolüütiliselt kusiainet (uureat) süsinikdioksiidiks (CO2) ja ammoniaagiks (