N-glycan antennae elongation in the medial/trans-Golgi
Ito H, Chiba Y, Kameyama A, Sato T, Narimatsu H. In vitro and in vivo enzymatic syntheses and mass spectrometric database for N-glycans and o-glycans. Methods Enzymol. 2010;478():127–49. doi: 10.1016/s0076-6879(10)78005-8. PMID: 20816477.; Hossler P, Goh LT, Lee MM, Hu WS. GlycoVis: visualizing glycan distribution in the protein N-glycosylation pathway in mammalian cells. Biotechnol Bioeng. 2006 Dec 05;95(5):946–60. doi: 10.1002/bit.21062. PMID: 16807922.; Schachter H. The joys of HexNAc. The synthesis and function of N- and O-glycan branches. Glycoconj J. 2000 Jul;17(7-9):465–83. doi: 10.1023/a:1011010206774. PMID: 11421343.; Kornfeld R, Kornfeld S. Assembly of asparagine-linked oligosaccharides. Annu Rev Biochem. 1985;54():631–64. doi: 10.1146/annurev.bi.54.070185.003215. PMID: 3896128.
Metabolites
Enzyme
| EC Number | name | full name | note |
|---|---|---|---|
| 2.4.1.155 | alpha-1,6-mannosyl-glycoprotein 6-beta-N-acetylglucosaminyltransferase | UDP-N-acetyl-alpha-D-glucosamine:N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)-beta-D-mannosyl-glycoprotein 6-beta-N-acetyl-D-glucosaminyltransferase (configuration-inverting) | |
| 2.4.1.244 | N-acetyl-beta-glucosaminyl-glycoprotein 4-beta-N-acetylgalactosaminyltransferase | UDP-N-acetyl-D-galactosamine:N-acetyl-beta-D-glucosaminyl-group 4-beta-N-acetylgalactosaminyltransferase | |
| 2.4.1.68 | glycoprotein 6-alpha-L-fucosyltransferase | GDP-beta-L-fucose:glycoprotein (L-fucose to asparagine-linked N-acetylglucosamine of N4-{N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)]-beta-D-mannosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->4)-N-acetyl-beta-D-glucosaminyl}asparagine) 6-alpha-L-fucosyltransferase | |
| 3.2.1.51 | alpha-L-fucosidase | alpha-L-fucoside fucohydrolase |
Proteins
| Protein ID | name | full name |
|---|