Definition: The A protein of the lactose synthase complex. In the presence of the B protein (LACTALBUMIN) specificity is changed from N-acetylglucosamine to glucose. EC 2.4.1.90.
Other names UDP Galactose Acetylglucosamine Galactosyltransfer; N-Acetyllactosamine Synthetase; beta-D-Galactosyltransferase, N-Acetylglucosamine; beta 1,4 Galactosyltransferase; UDP Galactose N Acetylglucosamine Galactosyltransf; Synthetase, N-Acetyllactosamine; Synthase, N-Acetyllactosamine; N Acetyllactosamine Synthetase; N Acetyllactosamine Synthase; N Acetylglucosamine beta D Galactosyltransferase; Galactosyltransferase, UDP Galactose-N-Acetylgluco; beta-1,4-Galactosyltransferase; UDP Galactose-N-Acetylglucosamine Galactosyltransf; N-Acetylglucosamine beta-D-Galactosyltransferase