Urease

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urease

[′yu̇r·ē‚ās]
(biochemistry)
An enzyme that catalyzes the degradation of urea to ammonia and carbon dioxide; obtained from the seed of jack bean.

Urease

 

(carbamide amidohydrolase), an enzyme of the hydrolase class that catalyzes the breakdown of urea into ammonia and carbon dioxide. It is found in many bacteria and fungi and in some invertebrates, but is especially abundant in the seeds of such legumes as soybeans and jack beans. Urobacteria contain active urease. Urease was the first enzyme prepared in the crystalline state, by J. Sumner (1926). It is used for the quantitative determination of urea because of its high specificity.

References in periodicals archive ?
Urease inhibitor (10 [micro]L 0.0072 M [Ag.sub.2]S[O.sub.4]) was added to samples to inhibit urease activity (Lambert et al.
In these cases, using urease inhibitor is highly recommended (Abalos et al., 2014), due to the high potential of losses of the N applied, which may exceed 70% (Lara Cabezas et al., 1997).
The synthesized compound 3 was assessed as urease inhibitor against Jack bean urease and the results revealed good inhibitory potency with an IC50 value of 4.25 +- 0.08 uM.
Application of urease inhibitors with urea could increase the SPAD value of flag leaf at grain filling stage (Fig.
[12.] Tariq SA (2011) Urease inhibitors from Indigoferagerardiana Wall.
One possible approach to improve the nitrogen losses from the surface applied urea is to coat it with sulfur, urease inhibitor (agrotain) and other biodegradable materials.
Zhu, "The synthesis, structure and activity evaluation of pyrogallol and catechol derivatives as Helicobacter pylori urease inhibitors," European Journal of Medicinal Chemistry, vol.
According to the systematic investigation on the kinetics and mechanism of the urease inhibition by BA in the present study, it could be deduced that BA was a competitive inhibitor targeting thiol groups in the active site of urease in a slow-binding manner, both reversibly and concentration dependently, serving as a promising urease inhibitor for treatments of the urease-Related diseases.
In order to further reduce loss by these processes, alternative fertilisation techniques, such as the use of controlled release fertilisers, urease inhibitors, and nitrification inhibitors, need to be considered.