DPM2 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Aliases | DPM2 , CDG1U, dolichyl-phosphate mannosyltransferase polypeptide 2, regulatory subunit, dolichyl-phosphate mannosyltransferase subunit 2, regulatory | ||||||||||||||||||||||||||||||||||||||||||||||||||
External IDs | OMIM: 603564; MGI: 1330238; HomoloGene: 99726; GeneCards: DPM2; OMA:DPM2 - orthologs | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Wikidata | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Dolichol phosphate-mannose biosynthesis regulatory protein is a protein that in humans is encoded by the DPM2 gene. [5]
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. [5]
Mutations in this gene are associated with congenital disorder of glycosylation.
This article incorporates text from the United States National Library of Medicine, which is in the public domain.