Alpha-1,3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase (
EC2.4.1.101, N-acetylglucosaminyltransferase I, N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase I, uridine diphosphoacetylglucosamine-alpha-1,3-mannosylglycoprotein beta-1,2-N-acetylglucosaminyltransferase, UDP-N-acetylglucosaminyl:alpha-1,3-D-mannoside-beta-1,2-N-acetylglucosaminyltransferase I, UDP-N-acetylglucosaminyl:alpha-3-D-mannoside beta-1,2-N-acetylglucosaminyltransferase I, alpha-1,3-mannosyl-glycoprotein beta-1,2-N-acetylglucosaminyltransferase, GnTI) is an
enzyme with
systematic nameUDP-N-acetyl-D-glucosamine:3-(alpha-D-mannosyl)-beta-D-mannosyl-glycoprotein 2-beta-N-acetyl-D-glucosaminyltransferase.[1][2][3][4][5][6][7][8] This enzyme
catalyses the following
chemical reaction
^Harpaz N, Schachter H (May 1980). "Control of glycoprotein synthesis. Bovine colostrum UDP-N-acetylglucosamine:alpha-D-mannoside beta 2-N-acetylglucosaminyltransferase I. Separation from UDP-N-acetylglucosamine:alpha-D-mannoside beta 2-N-acetylglucosaminyltransferase II, partial purification, and substrate specificity". The Journal of Biological Chemistry. 255 (10): 4885–93.
PMID6445358.
^Mendicino J, Chandrasekaran EV, Anumula KR, Davila M (February 1981). "Isolation and properties of alpha-D-mannose:beta-1,2-N-acetylglucosaminyltransferase from trachea mucosa". Biochemistry. 20 (4): 967–76.
doi:
10.1021/bi00507a050.
PMID6452163.
^Miyagi T, Tsuiki S (September 1981). "Studies on UDP-N-acetylglucosamine : alpha-mannoside beta-N-acetylglucosaminyltransferase of rat liver and hepatomas". Biochimica et Biophysica Acta (BBA) - Enzymology. 661 (1): 148–57.
doi:
10.1016/0005-2744(81)90094-2.
PMID6170335.
^Oppenheimer CL, Eckhardt AE, Hill RL (November 1981). "The nonidentity of porcine N-acetylglucosaminyltransferases I and II". The Journal of Biological Chemistry. 256 (22): 11477–82.
PMID6457827.
^Oppenheimer CL, Hill RL (January 1981). "Purification and characterization of a rabbit liver alpha 1 goes to 3 mannoside beta 1 goes to 2 N-acetylglucosaminyltransferase". The Journal of Biological Chemistry. 256 (2): 799–804.
PMID6450208.
^Schachter H, Narasimhan S, Gleeson P, Vella G (1983). Glycosyltransferases involved in elongation of N-glycosidically linked oligosaccharides of the complex or N-acetyllactosamine type. Methods in Enzymology. Vol. 98. pp. 98–134.
doi:
10.1016/0076-6879(83)98143-0.
PMID6366476.
^Vella GJ, Paulsen H, Schachter H (June 1984). "Control of glycoprotein synthesis. IX. A terminal Man alpha l-3Man beta 1- sequence in the substrate is the minimum requirement for UDP-N-acetyl-D-glucosamine: alpha-D-mannoside (GlcNAc to Man alpha 1-3) beta 2-N-acetylglucosaminyltransferase I". Canadian Journal of Biochemistry and Cell Biology. 62 (6): 409–17.
doi:
10.1139/o84-056.
PMID6235906.