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Merck

U0880

Sigma-Aldrich

Uricase from Candida sp.

Uricase from Candida sp.

recombinant, expressed in E. coli, lyophilized powder, ≥2 units/mg solid

Synonim(y):

Urate: oxygen oxoreductase

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250 UNITS
657,00 zł
1000 UNITS
1950,00 zł

657,00 zł


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250 UNITS
657,00 zł
1000 UNITS
1950,00 zł

About This Item

Numer CAS:
Numer EC enzymu:
Numer MDL:
Kod UNSPSC:
12352204
Identyfikator substancji w PubChem:
NACRES:
NA.54

657,00 zł


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Poproś o zamówienie zbiorcze

rekombinowane

expressed in E. coli

Formularz

lyophilized powder

aktywność właściwa

≥2 units/mg solid

masa cząsteczkowa

35 kDa by SDS-PAGE

temp. przechowywania

−20°C

ciąg SMILES

[P](=O)([O-])(OC3C(OC(C3O)N4C=CC(=O)NC4=O)CO)OCC1OC(C(C1O)O)N2C=CC(=O)NC2=O.[N+H4]

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

Klucz InChI

VPXDHZMLJOJKOX-UHFFFAOYSA-N

Opis ogólny

Uricase deficient mice develop uric acid nephropathy and diabetes insipidus which can be mitigated with recombinant uricase treatment. [1]
Uricase is a homo-tetrameric protein with its active sites at the head-to-tail monomer-dimer interface.

Zastosowanie

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

Działania biochem./fizjol.

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.

Definicja jednostki

One unit will oxidize 1.0 μmole of uric acid to allantoin per minute at pH 8.5 at 25 °C.

Postać fizyczna

Powder; contains citrate and sucrose
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Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable


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Questions

1–2 of 2 Questions  
  1. How can a solution in unit/mL be prepared using product number U0880, with a pack size of 250 units and SKU U0880-250UN, considering that the uricase activity is greater than 2 units/mg solid? What is the procedure for preparing a 10 unit/mL solution from this?

    1 answer
    1. You can use the calculator provided at https://www.physiologyweb.com/calculators/units_per_volume_solution_concentration_calculator.html

      Based on a specific activity of 5 units/mg, the 250 unit pack size is equivalent to 50 mg in mass. To achieve a 10 units/mL solution from this, the 50 mg would need to be dissolved in 25 mL of solvent (e.g. PBS).

      Helpful?

  2. What is the amino acid sequence of this enzyme?

    1 answer
    1. The sequence is proprietary.

      Helpful?

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