3.2.1.169	[protein]-3-O-(N-acetyl-beta-D-glucosaminyl)-L-serine + H2O = [protein]-L-serine + N-acetyl-D-glucosamine	
3.2.1.169	[protein]-3-O-(N-acetyl-beta-D-glucosaminyl)-L-theronine + H2O = [protein]-L-threonine + N-acetyl-D-glucosamine