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Urease, Recombinant

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Cat No.

NATE-0923

Description

Ureases, functionally, belong to the superfamily of amidohydrolases and phosphotriesterases. It is an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia. The reaction occurs as follows: (NH2)2CO + H2O → CO2 + 2NH3.

Abbr

Urease, Recombinant

Alias

Urease

Source

E. coli

Appearance

Sterile Filtered White lyophilized (freeze-dried) powder.

Activity

141U/mg

CAS No.

9002-13-5

Purity

Greater than 95.0% as determined by: (a) Analysis by RP-HPLC. (b) Anion-exchange FPLC. (c) Analysis by reducing and non-reducing SDS-PAGE Silver Stained gel.

Unit Definition

One Unit oxidizes one micromole of NADH per minute at 25°C, at pH 7.6.

Stability

Lyophilized Urease although stable at room temperature for 3 weeks, should be stored desiccated below -18° C. Upon reconstitution Urease should be stored at 4° C between 2-7 days and for future use below -18°C. For long-term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please avoid freeze-thaw cycles.

Buffer

Each mg of protein contains 345µg Potassium Phosphate and 25µg EDTA Na2.

Synonyms