Investigating purification and activity analysis of urease enzyme ...
2022年12月15日 · In this work, urease has been extracted from Jack bean meal using ammonium sulphate and acetone precipitation. A significant amount of urease was precipitated and concentrated at 60% saturated solution of ammonium sulphate.
Inhibition of urease activity by different compounds provides …
2020年5月22日 · Of the 71 commercially available compounds screened for anti-ureolytic activity against the ureolytic bacterium K. pneumoniae and purified jack bean urease, 30 compounds were found to reduce...
杰克豆脲酶调节昆虫神经肌肉接头处的神经递质 ... - X-MOL
2018年4月1日 · 豆科植物 Canavalia ensiformis 产生几种脲酶异构体，其中更丰富的称为 Jack Bean Urease (JBU)。. 预览工作已经通过迄今为止尚未完全阐明的机制证明了 JBU 的潜在杀虫作用。. 在这项工作中，我们研究了 JBU 诱导昆虫神经肌肉接头上神经递质释放活动的机制。. 方法 …
Crystal Structure of the First Plant Urease from Jack Bean: 83 …
2010年7月16日 · Jack bean urease (Canavalia ensiformis; JBU) was the first enzyme to be crystallized, a feat accomplished by James. B. B. Sumner in 1926, 1 for which he was awarded Nobel Prize in chemistry in 1946.
Jack bean urease - ScienceDirect
2024年1月1日 · Urease from jack bean (JBU) is very important from a historical point of view, as it is the first enzyme to be crystallized. This was accomplished by James B. Sumner in 1926 1 and for this exemplary work on urease, Sumner was awarded the Nobel Prize in chemistry in 1946.
Urease, Jack bean | 毒力因子 | MCE - MCE-生物活性分子大师
Urease, Jack bean 是一种含镍的寡聚酶，特异性地催化脲素水解为二氧化碳和氨。Urease, Jack bean 可用于测定体液中的脲素。 MCE 的所有产品仅用作科学研究或药证申报，我们不为任何个人用途提供产品和服务
尿素酶 来源于 洋刀豆 （刀豆） - MilliporeSigma
尿素酶 来源于洋刀豆 （刀豆） Type III, powder, 15,000-50,000 units/g solid; CAS Number: 9002-13-5; EC Number: 232-656-0; Synonyms: Jack bean urease,Urea amidohydrolase at Sigma-Aldrich ... fungi and bacteria. Urease isoforms (jack bean urease-JBU and canatoxin) from Canavalia ensiformis seeds are toxic to insects and fungi ...
The structure-based reaction mechanism of urease, a nickel …
2020年8月18日 · Ribbon diagram of urease from a K. aerogenes (PDB code: 1EJZ), b S. pasteurii (PDB code: 4CEU), c H. pylori (PDB code: 1E9Z), and d C. ensiformis (jack bean, PDB code: 3LA4). Ribbon colors evidence the chains composing the trimer constituting the minimal quaternary structure of urease.
尿素酶 来源于 洋刀豆 （刀豆） - MilliporeSigma
尿素酶 来源于洋刀豆 （刀豆） Type III, glycerol solution, 500-800 units/mL; CAS Number: 9002-13-5; Synonyms: Jack bean urease,Urea amidohydrolase at Sigma-Aldrich
尿素酶 来源于 洋刀豆 （刀豆）
脲酶是一种胞质酶，它会催化尿素水解为氨和二氧化碳，首先转化为氨基甲酸酯，然后氨基甲酸酯在水解时进一步分解为氨和碳酸/碳酸盐。 脲酶是含有镍辅因子的金属酶。
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