2.4.1.148 0.6 - N-acetyl-beta-D-glucosaminyl-1,3-N-acetyl-D-galactosaminyl-alpha-benzyl colon 488370, 638139 2.4.1.148 1.8 - N-acetyl-beta-D-glucosaminyl-1,3-N-acetyl-D-galactosaminyl-alpha-benzyl stomach 488370 2.4.1.148 2.8 - UDP-N-acetyl-D-glucosamine mutant enzyme C217S, in 50 mM Tris (pH 7.5), at 37°C 722983