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

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Hebert, D.N. et al.

Hebert, Garman, Molinari,

The glycan code of the endoplasmic reticulum: asparagine-linked carbohydrates as protein maturation and quality-control tags.

The majority of proteins that traverse the secretory pathway receive asparagine (Asn)-linked glycosylations. Glycans are bulky hydrophilic modifications that serve a variety of structural and functional roles within the cell. Here, we review the recent growing knowledge on the role of Asn-linked glycans as maturation and quality-control protein tags in the early secretory pathway. The carbohydrate composition encodes crucial information about the structure, localization and age of glycoproteins. The "glycan code" is encoded by a series of glycosidases and carbohydrate transferases that line the secretory pathway. This code is deciphered by carbohydrate-binding proteins that possess distinct carbohydrate binding properties and act as molecular chaperones or sorting receptors. These glycosidases and transferases work in concert with resident secretory pathway carbohydrate-binding proteins to form a network that assists in the maturation and trafficking of both native and aberrant glycoproteins within the cell.[1]

References

The glycan code of the endoplasmic reticulum: asparagine-linked carbohydrates as protein maturation and quality-control tags. Hebert, D.N., Garman, S.C., Molinari, M. Trends Cell Biol. (2005) [Pubmed]

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