3.2.1.50 2-acetamido-2-deoxy-alpha-D-glucoside acetamidodeoxyglucohydrolase, AgnB, AgnC, alpha-acetylglucosaminidase, alpha-N-acetylglucosaminidase, exo-glycosidase, glycosidase, heparan N-sulfatase, N-acetyl-alpha-D-glucosaminidase, N-acetyl-alpha-glucosaminidase, NAG, NAGase, NAGLU - -, 208666, 208682, 208684, 208687, 208690, 650332, 651833, 653733, 665908, 666847, 679282, 679943, 681949, 694897, 697417, 709965, 715655, 715785, 749725, 751421, 751986 3.2.1.50 Sanfilippo b corrective factor previously 208677 3.2.1.50 BMN 250 tralesinidase alfa, a fusion protein of lysosomal alpha-N-acetylglucosaminidase with insulin-like growth factor 2 751986