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词条 ALG8 (enzyme class)
释义

  1. See also

  2. References

  3. External links

{{Infobox enzyme
| Name = Dolichyl-P-Glc:Glc1Man9GlcNAc2-PP-dolichol alpha-1,3-glucosyltransferase
| EC_number = 2.4.1.265
| CAS_number =
| IUBMB_EC_number = 2/4/1/265
| GO_code =
| image =
| width =
| caption =
}}Dolichyl-P-Glc:Glc1Man9GlcNAc2-PP-dolichol alpha-1,3-glucosyltransferase ({{EC number|2.4.1.265}}, ALG8, Dol-P-Glc:Glc1Man9GlcNAc2-PP-Dol 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-(1->2)-D-Man-alpha-(1->3)-(D-Man-alpha-(1->2)-D-Man-alpha-(1->6))-D-Man-alpha-(1->6))-D-Man-beta-(1->4)-D-GlcNAc-beta-(1->4)-D-GlcNAc-diphosphodolichol alpha-1,3-glucosyltransferase.[1][2][3]

This enzyme catalyses the following chemical reaction

which is in words:

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-(1->2)-D-Man-alpha-(1->3)-[D-Man-alpha-(1->2)-D-Man-alpha-(1->6)]-D-Man-alpha-(1->6)]-D-Man-beta-(1->4)-D-GlcNAc-beta-(1->4)-D-GlcNAc-diphosphodolichol D-Glc-alpha-(1->3)-D-Glc-alpha-(1->3)-D-Man-alpha-(1->2)-D-Man-alpha-(1->2)-D-Man-alpha-(1->3)-[D-Man-alpha-(1->2)-D-Man-alpha-(1->3)-[D-Man-alpha-(1->2)-D-Man-alpha-(1->6)]-D-Man-alpha-(1->6)]-D-Man-beta-(1->4)-D-GlcNAc-beta-(1->4)-D-GlcNAc-diphosphodolichol + dolichyl phosphate

See also

  • EC 2.4.1.267 (dolichyl-P-Glc:Man9GlcNAc2-PP-dolichol alpha-1,3-glucosyltransferase)
  • EC 2.4.1.256 (dolichyl-P-Glc:Glc2Man9GlcNAc2-PP-dolichol alpha-1,2-glucosyltransferase)

References

1. ^{{cite journal | vauthors = Stagljar I, te Heesen S, Aebi M | title = New phenotype of mutations deficient in glucosylation of the lipid-linked oligosaccharide: cloning of the ALG8 locus | journal = Proceedings of the National Academy of Sciences of the United States of America | volume = 91 | issue = 13 | pages = 5977–81 | date = June 1994 | pmid = 8016100 | pmc = 44120 | doi = 10.1073/pnas.91.13.5977 }}
2. ^{{cite journal | vauthors = Runge KW, Robbins PW | title = A new yeast mutation in the glucosylation steps of the asparagine-linked glycosylation pathway. Formation of a novel asparagine-linked oligosaccharide containing two glucose residues | journal = The Journal of Biological Chemistry | volume = 261 | issue = 33 | pages = 15582–90 | date = November 1986 | pmid = 3536907 }}
3. ^{{cite journal | vauthors = Chantret I, Dancourt J, Dupré T, Delenda C, Bucher S, Vuillaumier-Barrot S, Ogier de Baulny H, Peletan C, Danos O, Seta N, Durand G, Oriol R, Codogno P, Moore SE | title = A deficiency in dolichyl-P-glucose:Glc1Man9GlcNAc2-PP-dolichyl alpha3-glucosyltransferase defines a new subtype of congenital disorders of glycosylation | journal = The Journal of Biological Chemistry | volume = 278 | issue = 11 | pages = 9962–71 | date = March 2003 | pmid = 12480927 | doi = 10.1074/jbc.M211950200 }}

External links

  • {{MeshName|Dolichyl-P-Glc:Glc1Man9GlcNAc2-PP-dolichol+alpha-1,3-glucosyltransferase}}
{{Glycosyltransferases}}{{Enzymes}}{{Portal bar|Molecular and Cellular Biology|border=no}}

1 : EC 2.4.1

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