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- Title
Rapid screening of sugar-nucleotide donor specificities of putative glycosyltransferases.
- Authors
Sheikh, M. Osman; Halmo, Stephanie M.; Patel, Sneha; Middleton, Dustin; Takeuchi, Hideyuki; Schafer, Christopher M.; West, Christopher M.; Haltiwanger, Robert S.; Avci, Fikri Y.; Moremen, Kelley W.; Wells, Lance
- Abstract
Determining the correct enzymatic activity of putative glycosyltransferases (GTs) can be challenging as these enzymes can utilize multiple donor and acceptor substrates. Upon initial determination of the donor-sugar nucleotide(s), a GT utilizes various acceptor molecules that can then be tested. Here, we describe a quick method to screen sugar-nucleotide donor specificities of GTs utilizing a sensitive, nonradioactive, commercially available bioluminescent uridine diphosphate detection kit. This in vitro method allowed us to validate the sugar-nucleotide donor-substrate specificities of recombinantly expressed human, bovine, bacterial and protozoan GTs. Our approach, which is less time consuming than many traditional assays that utilize radiolabeled sugars and chromatographic separations, should facilitate discovery of novel GTs that participate in diverse biological processes.
- Subjects
GLYCOSYLTRANSFERASES; NUCLEOTIDES; ELECTRON donor-acceptor complexes; PYROPHOSPHATES; SUGAR phosphates
- Publication
Glycobiology, 2017, Vol 27, Issue 3, p206
- ISSN
0959-6658
- Publication type
Article
- DOI
10.1093/glycob/cww114