Chondroitin ABC lyase (EC 4.2.2.4, chondroitinase, chondroitin ABC eliminase, chondroitinase ABC) is an enzyme with systematic name chondroitin ABC lyase. This enzyme catalyses the following chemical reaction Chondroitin ABC lyase (EC 4.2.2.4, chondroitinase, chondroitin ABC eliminase, chondroitinase ABC) is an enzyme with systematic name chondroitin ABC lyase. This enzyme catalyses the following chemical reaction