argininosuccinate lyase
Pronunciation: ar′ji-ni-nō-sŭk′si-nāt lī′ās
Definition: An enzyme cleaving l-argininosuccinate nonhydrolytically to produce l-arginine and fumarate; a deficiency of this enzyme leads to argininosuccinoaciduria; catalyzes a step in the urea cycle.
Synonym(s): argininosuccinase
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Examples: glitazone, GI cocktail, etc.

