商品编号


LS003885



品牌


Worthington



公司


Worthington Biochemical Corporation



公司分类


Products



Size

250 mg

商品信息
UreaseFractionated from crude jack bean meal extract. Tested for ammonia. A soluble, lyophilized preparation.Store at -20°C.REQUIRES SPECIAL SHIPPING: ICE PACK≥45 units per mg dry weight
Source:
Jack Bean (Canavalia ensiformis)
I.U.B.: 3.5.1.5
Urease catalyzes the hydrolysis of urea. The molecular weight of the jack bean enzyme is 480,000 daltons, with an optimum pH of 6.0. It is inhibited by heavy metals.
Unit Definition
: One Unit oxidizes one micromole of NADH per minute at 25°C, pH 7.6. The hydrolysis of urea is measured by coupling ammonia production to a glutamate dehydrogenase reaction.