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U1500

Sigma-Aldrich

Urease from Canavalia ensiformis (Jack bean)

Type III, powder, 15,000-50,000 units/g solid

Synonim(y):

Jack bean urease, Urea amidohydrolase

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Wszystkie zdjęcia(4)

About This Item

Numer CAS:
9002-13-5
Numer EC enzymu:
3.5.1.5 (BRENDA, IUBMB)
Numer WE:
232-656-0
Numer MDL:
MFCD00070858
Kod UNSPSC:
12352204
eCl@ss:
32160410
NACRES:
NA.54

pochodzenie biologiczne

Canavalia ensiformis

typ

Type III

Postać

powder

aktywność właściwa

15,000-50,000 units/g solid

masa cząsteczkowa

~544620 Da

Zastosowanie

diagnostic assay manufacturing

temp. przechowywania

2-8°C

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Opis ogólny

Subunit molecular weight: ~90,770
Composed of six subunits with total molecular weight: ~544,620
Urease is a cytosolic enzyme that catalyzes the hydrolysis of urea to ammonia and carbon dioxide, with initial conversion to carbamate, and the carbamate breaks down further, on hydrolysis, into ammonia and to carbonic acid / carbonate. Urease is a metalloenzyme that contains nickel as a co-factor. Urease occurs naturally in plants, fungi, and certain bacteria. James B. Sumner first isolated urease from jack bean in 1926.

Działania biochem./fizjol.

Urease from Canavalia ensiformis functions as an insecticide by the release of a toxic small peptide cleaved by proteases found in the gut of insects.

Definicja jednostki

One micromolar unit will liberate 1.0 μmole of NH3 from urea per min at pH 7.0 at 25 °C. It is equivalent to 1.0 I.U. or 0.054 Sumner unit (1.0 mg ammonia nitrogen in 5 minutes at pH 7.0 at 20 °C)
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Piktogramy

Health hazardExclamation mark
GHS08,GHS07

Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

H315,H319,H334,H335

Zwroty wskazujące środki ostrożności

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

Klasyfikacja zagrożeń

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

Organy docelowe

Respiratory system

Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 1

Certyfikaty analizy (CoA)

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