Abstract
After the discovery of glycosphingolipid (GSL) glycan detaching enzymes, Rhodococcal endoglycoceramidase (EGCase) and leech ceramide glycanase (CGase), the method for enzymatically releasing glycans from GSLs has become the method of choice for preparing intact ceramide-free oligosaccharide chains from GSLs. This paper describes (1) the preparation of the intact oligosaccharides from GM1 (II3NeuAcGgOse4Cer) and GbOse4Cer as examples to show the use of CGase to prepare intact glycan chains from GSLs, and (2) the specificity and detergent requirements of Rhodococcal EGCases for the release of glycan chains from different GSLs.
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Acknowledgements
This work was supported by NIH Grant Number R01NS009626 from the National Institute of Neurological Disorders and stroke (to Y.T.L) and Basic Research B 1938006 from the Ministry of Education, Culture, Sports, Science and Technology of the Japanese Government (to M.I).
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Li, YT., Chou, CW., Li, SC. et al. Preparation of homogenous oligosaccharide chains from glycosphingolipids. Glycoconj J 26, 929–933 (2009). https://doi.org/10.1007/s10719-008-9125-9
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DOI: https://doi.org/10.1007/s10719-008-9125-9