Biology:MGAT3

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A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Beta-1,4-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase is an enzyme that in humans is encoded by the MGAT3 gene.[1][2]

There are believed to be over 100 different glycosyltransferases involved in the synthesis of protein-bound and lipid-bound oligosaccharides. The enzyme encoded by this gene transfers a GlcNAc residue to the beta-linked mannose of the trimannosyl core of N-linked oligosaccharides and produces a bisecting GlcNAc. Multiple alternatively spliced variants, encoding the same protein, have been identified.[2]

References

  1. "cDNA cloning, expression, and chromosomal localization of human N-acetylglucosaminyltransferase III (GnT-III)". J Biochem 113 (6): 692–8. Oct 1993. doi:10.1093/oxfordjournals.jbchem.a124105. PMID 8370666. 
  2. 2.0 2.1 "Entrez Gene: MGAT3 mannosyl (beta-1,4-)-glycoprotein beta-1,4-N-acetylglucosaminyltransferase". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=4248. 

Further reading