Automated description from the Alliance of Genome Resources (Release 7.0.0)
Enables polypeptide N-acetylgalactosaminyltransferase activity. Acts upstream of or within protein O-linked glycosylation. Predicted to be located in perinuclear region of cytoplasm. Predicted to be active in Golgi apparatus. Is expressed in several structures, including alimentary system; brain; respiratory system; sensory organ; and skeleton. Used to study heart valve disease. Orthologous to human GALNT1 (polypeptide N-acetylgalactosaminyltransferase 1).