Glycobiology Nomenclature and Representation of Glycans

lUPAC-IUBMB (http //www.chem.qmw.ac.uk/iubmb/) Nomenclature of Carbohydrates (McNaught, 1997) specifies an extended form, a condensed form and a short form for the representation of glycans. For example, the core pentasaccharide of A-glycan is represented in 

Biomacromolecules, by C. Stan Tsai Copyright 2007 John Wiley Sons, Inc. 

These forms are commonly used in the representation of glycans, but none of them is particularly suited for computer processing because of the use of special symbols and some remaining ambiguities regarding the ordering of branches. 

application of syntax rule to perform a semantic transformation of carbohydrate graph into a framework resembles nested loops, which are then collapsed into a linear description containing nested brackets and 

application of the priority rules to create a unique notation. 

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