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U7128

Sigma-Aldrich

Uricase from Arthrobacter globiformis

lyophilized powder, 15-30 units/mg protein (biuret)

Synonym(s):

Urate oxidase, Urate:O2 oxidoreductase

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100 UNITS
$751.00

About This Item

CAS Number:
EC Number:
EC Number:
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.54

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form

lyophilized powder

specific activity

15-30 units/mg protein (biuret)

mol wt

tetramer ~32 kDa

storage temp.

−20°C

SMILES string

[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

InChI key

VPXDHZMLJOJKOX-UHFFFAOYSA-N

General description

Research area: Cell Signalling. Uricase is made of four identical subunits and is a homotetrameric enzyme. It is found as a functional uricase in several organisms including, bacteria, archaea, and eukaryotes. Nonetheless, primates and humans lack a functional uricase enzyme.[1]

Application

Uricase from Arthrobacter globiformis has been used for coating the electrodes in - biosensor fabrication for the detection of uric acid in urine samples.[2] It has also been used for analysing the effect of Zn, Cu, Mg, and Mn ions on uricase.[3]

Biochem/physiol Actions

Arthrobacter globiformis is a major producer of uricase or urate oxidase in poultry manure and litter. Uricase hydrolyzes uric acid and causes ammonia volatilization in poultry manure.[3] In the majority of mammals, uricase converts uric acid to allantoin, a soluble excretion product. Humans lack uricase due to its loss during the evolution of hominids.[4] This increases the risk of humans towards gout, kidney stones, hypertension, and diabetes due to increased circulating levels of uric acid.[5]Uricase is an important enzyme that plays a role in the purine metabolic pathway.[6]
Molecular weight: 4 × ~32 KDa (tetramer)
Isoelectric point: is 4.64
KM value (uric acid as substrate): ~ 0.01 mM
The optimum pH for activity: 8.5-9.5
The optimum pH for stability: 6.0-9.5
Zn and Cu were shown to inhibit the activity of uricase. [7]

Unit Definition

One unit will convert 1.0 μmole of uric acid to allantoin per min at pH 9.0 at 25 °C.

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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A Therapeutic Uricase with Reduced Immunogenicity Risk and Improved Development Properties
Andrew C N, et al.
PLoS ONE, 11(12) (2016)
Development of a sandwich format, amperometric screen-printed uric acid biosensor for urine analysis.
Kanyong P, et al.
Analytical biochemistry, 428(1), 39-43 (2012)
Uric acid: a danger signal from the RNA world that may have a role in the epidemic of obesity, metabolic syndrome, and cardiorenal disease: evolutionary considerations.
Seminars in Nephrology, 31(5), 394-399 (2011)
Review of Uricase and Other Key Metabolites Produced by Microorganisms through Submerged Fermentation INTRODUCTION
Sandeep V C, et al.
Fluoropolymers 2. , 22(4) (2023)
Effect of minerals on activity of microbial uricase to reduce ammonia volatilization in poultry manure.
Kim WK and Patterson PH
Poultry Science, 82(2), 223-231 (2003)

Questions

  1. Hello, I would like to get theprotein sequence of the Arthrobacter globiformis urucase, catalog U7128.  Is it a recombinant enzmye made in E. coli, or is it a native prurified protein from the A. globiformis host. Thank you. Guillaume

    1 answer
    1. The product is a native protien from Arthrobacter globiformis. This material has not been sequenced. However, this information is published at UniProt.

      Please see the link below to review:
      https://www.uniprot.org/uniprot/D0VWQ1

      Helpful?

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