U0880
Uricase from Candida sp.
recombinant, expressed in E. coli, lyophilized powder, ≥2 units/mg solid
Synonym(s):
Urate: oxygen oxoreductase
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About This Item
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recombinant
expressed in E. coli
Quality Level
form
lyophilized powder
specific activity
≥2 units/mg solid
mol wt
35 kDa by SDS-PAGE
storage temp.
−20°C
InChI
1S/C18H23N4O14P.H3N/c23-5-7-14(13(28)16(34-7)22-4-2-10(25)20-18(22)30)36-37(31,32)33-6-8-11(26)12(27)15(35-8)21-3-1-9(24)19-17(21)29;/h1-4,7-8,11-16,23,26-28H,5-6H2,(H,31,32)(H,19,24,29)(H,20,25,30);1H3
InChI key
VPXDHZMLJOJKOX-UHFFFAOYSA-N
General description
Uricase deficient mice develop uric acid nephropathy and diabetes insipidus which can be mitigated with recombinant uricase treatment.
Uricase is a homo-tetrameric protein with its active sites at the head-to-tail monomer-dimer interface.
Application
Uricase from Candida sp. has been used:
- to eliminate urate in plasma samples and evaluate the contribution of urate to the total plasma antioxidant capacity
- to intraperitoneally inject the mice to study the role of uric acid in fibrin extracellular traps (ET) formation
- for elimination of uric acid in ferric reducing/antioxidative power (FRAP) assay to measure the total antioxidative capacity of human plasma sample; in uricase-based biosensors
Biochem/physiol Actions
Uricase participates in purine catabolism. It catalyzes the conversion of highly insoluble uric acid into 5-hydroxyisourate. Accumulation of uric acid causes liver/kidney damage or chronically causes gout. In mice, a mutation in the gene encoding uricase causes a sudden increase in uric acid. Mice, deficient in this gene, exhibit hyperuricemia, hyperuricosuria, and uric acid crystalline obstructive nephropathy.
Unit Definition
One unit will oxidize 1.0 μmole of uric acid to allantoin per minute at pH 8.5 at 25 °C.
Physical form
Powder; contains citrate and sucrose
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Rocco Cancelliere et al.
Biosensors, 12(1) (2022-01-21)
The use of carbon nanomaterials (CNMs) in sensors and biosensor realization is one of the hottest topics today in analytical chemistry. In this work, a comparative in-depth study, exploiting different nanomaterial (MWNT-CO2H, -NH2, -OH and GNP) modified screen-printed electrodes (SPEs)
Darko Duplancic et al.
Molecules (Basel, Switzerland), 16(8), 7058-7068 (2011-08-19)
Determination of the relative contribution of uric acid level increases to the total measured antioxidative activity could be very useful for testing antioxidative products and their effect on human health. The aim of this report is to present a simple
Benoit Pugin et al.
Frontiers in microbiology, 13, 853735-853735 (2022-05-03)
Uricase catalyzes the conversion of uric acid into allantoin with concomitant reduction of molecular oxygen to hydrogen peroxide. In humans, uricase is not functional, thereby predisposing individuals to hyperuricemia, a metabolic disturbance associated with gout, chronic kidney disorders, and cardiovascular
Michael W Munks et al.
Blood, 116(24), 5191-5199 (2010-09-30)
It has been recognized for nearly 80 years that insoluble aluminum salts are good immunologic adjuvants and that they form long-lived nodules in vivo. Nodule formation has long been presumed to be central for adjuvant activity by providing an antigen
S J Kelly et al.
Journal of the American Society of Nephrology : JASN, 12(5), 1001-1009 (2001-04-24)
Uricase-deficient mice develop uric acid nephropathy, with high mortality rates before weaning. Urate excretion was quantitated and renal function was better defined in this study, to facilitate the use of these mice as a model for evaluating poly(ethylene glycol)-modified recombinant
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