The enzyme is used in enzymatic determination of K+, ATP, ADP, pyruvate and phophoenolpyruvate coupled with other enzymes ... purified from thermostable bacteria. It's useful in enzymatic determination of potassium, ATP, ADP, pyruvate and phophoenolpyruvate when coupled with the ... 300U/mg proteinUnit definition:One unit will convert one micromole of phosphoenolpyruvate to pyruvateper min at pH 7.2 at ...