DPM2
Lua error in Module:Infobox_gene at line 33: attempt to index field 'wikibase' (a nil value). Dolichol phosphate-mannose biosynthesis regulatory protein is a protein that in humans is encoded by the DPM2 gene.[1]
Function
Dolichol-phosphate mannose (Dol-P-Man) serves as a donor of mannosyl residues on the lumenal side of the endoplasmic reticulum (ER). Lack of Dol-P-Man results in defective surface expression of GPI-anchored proteins, defective N-linked glycosylation and deficient O-mannosylation of α-dystroglycan. Dol-P-Man is synthesized from GDP-mannose and dolichol-phosphate on the cytosolic side of the ER by the enzyme dolichyl-phosphate mannosyltransferase. The protein encoded by this gene is a hydrophobic protein that contains 2 predicted transmembrane domains and a putative ER localization signal near the C-terminus. This protein associates with DPM1 in vivo and is required for the ER localization and stable expression of DPM1 and also enhances the binding of dolichol-phosphate to DPM1.[1]
Clinical significance
Mutations in this gene are associated with congenital disorder of glycosylation.
References
Further reading
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This article incorporates text from the United States National Library of Medicine, which is in the public domain.
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