Urease from Canavalia ensiformis (Jack bean), Type III, glycerol solution, 500-800 units/mL
Biochem/physiol Actions
Urease activity has been shown to be inhibited by benzpyrene following exposure to light. This inhibition was due to the effect of benzpyrene on urease?s sulfhydryl groups.
General description
Subunit molecular weight: ~90,770 Composed of six subunits with total molecular weight: ~544,620
Packaging
100 mL 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)
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