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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Separation of 8-aminonaphthalene-1,3,6-trisulfonate (ANTS)-labeled oligomers containing galacturonic acid by capillary electrophoresis: application to determining the substrate specificity of endopolygalacturonases.

Slight modifications of published procedures (Stefansson, M. and Novotny, M., Carbohydr. Res. 1994, 258 1-9) allow separation by relative size of 8-amino-naphthalene-1,3,6-trisulfonate (ANTS)-labeled neutral and acidic oligosaccharides by electrophoresis in uncoated capillaries. The separations are performed at pH 2.5 to suppress both any charge from carboxylic acid groups on the oligosaccharides and electroosmotic flow. Utility of the procedure is demonstrated by its application to characterization of substrate specificity of endopolygalacturonases. The results show that both a fungal and a bacterial endopolygalacturonase need four adjacent nonesterified galacturonic acid residues in a pectin to be able to act.[1]

References

  1. Separation of 8-aminonaphthalene-1,3,6-trisulfonate (ANTS)-labeled oligomers containing galacturonic acid by capillary electrophoresis: application to determining the substrate specificity of endopolygalacturonases. Mort, A.J., Chen, E.M. Electrophoresis (1996) [Pubmed]
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