Non disponible en dehors du Royaume-Uni et de l'Irlande

Biochem/physiol Actions

Urease was shown to induce vacuolation in Hela cells, an effect dependent on the ability of urease to convert urea to ammonia.

General description

Subunit molecular weight: ~90,770 Composed of six subunits with total molecular weight: ~544,620

Packaging

6000, 12000, 60000 units in glass bottle

Unit Definition

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)