| ALG6 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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| Identifiers | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Aliases | ALG6 , CDG1C, alpha-1,3-glucosyltransferase, ALG6 alpha-1,3-glucosyltransferase | ||||||||||||||||||||||||||||||||||||||||||||||||||
| External IDs | OMIM: 604566 MGI: 2444031 HomoloGene: 6920 GeneCards: ALG6 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Wikidata | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Dolichyl pyrophosphate Man9GlcNAc2 alpha-1,3-glucosyltransferase is an enzyme that in humans is encoded by the ALG6 gene. [5] [6] [7]
This gene encodes a member of the ALG6/ALG8 glucosyltransferase family. The encoded protein catalyzes the addition of the first glucose residue to the growing lipid-linked oligosaccharide precursor of N-linked glycosylation. Mutations in this gene are associated with congenital disorders of glycosylation type Ic. [7]
A congenital disorder of glycosylation is one of several rare inborn errors of metabolism in which glycosylation of a variety of tissue proteins and/or lipids is deficient or defective. Congenital disorders of glycosylation are sometimes known as CDG syndromes. They often cause serious, sometimes fatal, malfunction of several different organ systems in affected infants. The most common sub-type is PMM2-CDG where the genetic defect leads to the loss of phosphomannomutase 2 (PMM2), the enzyme responsible for the conversion of mannose-6-phosphate into mannose-1-phosphate.
In enzymology, a dolichol kinase is an enzyme that catalyzes the chemical reaction
Phosphomannomutase 2 is an enzyme that in humans is encoded by the PMM2 gene.
UDP-N-acetylglucosamine—dolichyl-phosphate N-acetylglucosaminephosphotransferase is an enzyme that in humans is encoded by the DPAGT1 gene.
Phosphomannomutase 1 is an enzyme that in humans is encoded by the PMM1 gene.
Alpha-1,2-mannosyltransferase ALG9 is an enzyme that in humans is encoded by the ALG9 gene.
Alpha-1,3/1,6-mannosyltransferase ALG2 is an enzyme that is encoded by the ALG2 gene. Mutations in the human gene are associated with congenital defects in glycosylation The protein encoded by the ALG2 gene belongs to two classes of enzymes: GDP-Man:Man1GlcNAc2-PP-dolichol alpha-1,3-mannosyltransferase and GDP-Man:Man2GlcNAc2-PP-dolichol alpha-1,6-mannosyltransferase.
Probable dolichyl pyrophosphate Glc1Man9GlcNAc2 alpha-1,3-glucosyltransferase is an enzyme that in humans is encoded by the ALG8 gene.
Dolichol-phosphate mannosyltransferase is an enzyme that in humans is encoded by the DPM1 gene.
Mannose-P-dolichol utilization defect 1 protein is a protein that in humans is encoded by the MPDU1 gene.
Dolichyl-P-Man:Man(7)GlcNAc(2)-PP-dolichyl-alpha-1,6-mannosyltransferase is an enzyme that in humans is encoded by the ALG12 gene.
Dolichyl-P-Man:Man(5)GlcNAc(2)-PP-dolichyl mannosyltransferase is an enzyme that, in humans, is encoded by the ALG3 gene.
Dehydrodolichyl diphosphate synthase is an enzyme that in humans is encoded by the DHDDS gene.
dolichyl-phosphate mannosyltransferase polypeptide 3, also known as DPM3, is a human gene.
Dolichyl-P-Glc:Glc1Man9GlcNAc2-PP-dolichol alpha-1,3-glucosyltransferase is an enzyme with systematic name dolichyl beta-D-glucosyl phosphate:D-Glc-alpha-(1->3)-D-Man-alpha-(1->2)-D-Man-alpha-(1->2)-D-Man-alpha-(1->3)-(D-Man-alpha- -D-Man-alpha- - -D-Man-alpha- )-D-Man-beta-(1->4)-D-GlcNAc-beta-(1->4)-D-GlcNAc-diphosphodolichol alpha-1,3-glucosyltransferase.
Dolichyl-P-Glc:Man9GlcNAc2-PP-dolichol alpha-1,3-glucosyltransferase is an enzyme with systematic name dolichyl beta-D-glucosyl phosphate:D-Man-alpha-(1->2)-D-Man-alpha-(1->2)-D-Man-alpha-(1->3)-(D-Man-alpha- -D-Man-alpha- - -D-Man-alpha- )-D-Man-beta-(1->4)-D-GlcNAc-beta-(1->4)-D-GlcNAc-diphosphodolichol alpha-1,3-glucosyltransferase.
Coiled-coil domain containing 115 is a protein that in humans is encoded by the CCDC115 gene.
PMM2 deficiency or PMM2-CDG, previously CDG-Ia, is a very rare genetic disorder caused by mutations in PMM2. It is an autosomal recessive disease that is the most common type of congenital disorder of glycosylation or CDG. PMM2-CDG is the most common of a growing family of more than 130 extremely rare inherited metabolic disorders. Only about 800 children and adults have been reported worldwide.
ALG1-CDG is an autosomal recessive congenital disorder of glycosylation caused by biallelic pathogenic variants in ALG1. The first cases of ALG1-CDG were described in 2004, and the causative gene was identified at the same time. This disorder was originally designated CDG-IK, under earlier nomenclature for congenital disorders of glycosylation. Clinically, individuals with ALG1-CDG have developmental delay, hypotonia, seizures and microcephaly. Fewer than 60 cases of ALG1-CDG have been confirmed in published literature. ALG1-CDG can be suspected based on clinical findings, and abnormal serum transferrin glycosylation test results. Confirmation of the diagnosis can be performed based on sequence analysis of ALG1. The analysis of ALG1 is complicated by the presence of a pseudogene. There are no specific treatments for ALG1-CDG, and most care consists of managing symptoms.
SRD5A3-CDG is a rare, non X-linked congenital disorder of glycosylation (CDG) due to a mutation in the steroid 5 alpha reductase type 3 gene. It is one of over 150 documented types of Congenital disorders of Glycosylation. Like many other CDGs, SRD5A3 is ultra-rare, with around 38 documented cases in the world.
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