sentences:  Galactosamine-6 sulfatase
  
  N-acetylgalactosamine-6-sulfatase is an enzyme that, in humans, is encoded by the "GALNS" gene.This gene encodes N-acetylgalactosamine-6-sulfatase, which is a lysosomal exohydrolase required for the degradation of the glycosaminoglycans keratan sulfate and chondroitin 6-sulfate.