The primary function of peptide N-glycanase (PNGase) is thought to be the deglycosylation of endoplasmic reticulum associated degradation (ERAD) substrates. However, inhibition of PNGase appears to have little effect upon the destruction rate of many ERAD substrates, and recent data demonstrate deglycosylation-independent functions for PNGase. Whatever the roles of PNGase turn out to be, the identification of a patient presenting with PNGase deficiency will advance our understanding of the importance of this multifunctional protein in human physiology.
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| http://dx.doi.org/10.1051/medsci/20143001013 | DOI Listing |
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