noun. Any of a group of enzymes that catalyze the hydrolysis of sulfate esters and are found in animal tissues and bacteria.

noun. Any of several enzymes, in animals and bacteria, which catalyze the hydrolysis of organic sulfates.

"More information: "A canine Arylsulfatase G (ARSG) mutation leading to a sulfatase deficiency is associated with neuronal ceroid lipofuscinosis", Published: Aug. 17, 2010, in"