D. Aloccia,b, Ph. Toukachc, R. Costad, N. Horyd, J. Mariethoza,b, F. Lisaceka,b,e

aProteome Informatics Group, SIB Swiss Institute of Bioinformatics, Geneva, Switzerland
bComputer Science Department, University of Geneva, Switzerland
cZelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia
dPolytech Nice Sophia, Campus SophiaTech, Sophia-Antipolis, France
eSection of Biology, University of Geneva, Switzerland

KEYWORDS: carbohydrate; 2D structure; software; saccharide; SNFG; glycan drawing

MDPI Molecules, 2018, submitted

SugarSketcher SugarSketcher is an intuitive and fast Javascript interface module for online drawing of glycan structures in the popular SNFG notation and exporting them to various commonly used formats encoding carbohydrate sequences (e.g., GlycoCT) or quality images (e.g., svg). It does not require a backend server or any specific browser plugins and can be integrated in any web project of glycoinformatics. SugarSketcher allows drawing glycans both for glycobiologists and non-expert users. The 'quick mode' allows a newcomer to build up a glycan structure having only a limited knowledge in carbohydrate chemistry. On the contrary, the 'normal mode' integrates advanced options which enable glycobiologists to tailor complex carbohydrate structures. The source code is freely available on GitHub and glycoinformaticians are encouraged to participate in the development process while users are invited to test a prototype available at and send feedback.

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