ERWINAZE (asparaginase Erwinia chrysanthemi) contains an asparaginase specific enzyme derived from Erwinia chrysanthemi. L-asparaginase is a tetrameric enzyme consisting of four identical subunits, each having a molecular weight of about 35 kDa. The activity of ERWINAZE is expressed in terms of International Units.

ERWINAZE is supplied as a sterile, lyophilized, white powder in vials. Each vial contains 10,000 International Units of asparaginase Erwinia chrysanthemi and the following inactive ingredients: glucose monohydrate (5.0 mg), sodium chloride (0.5 mg).

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