2.4.1.131: GDP-Man:Man3GlcNAc2-PP-dolichol alpha-1,2-mannosyltransferase

This is an abbreviated version!
For detailed information about GDP-Man:Man3GlcNAc2-PP-dolichol alpha-1,2-mannosyltransferase, go to the full flat file.

Reaction

2 GDP-alpha-D-mannose +

Synonyms

Alg11, Alg2 mannosyltransferase, At2G40190, galactomannan deficiency protein 3, GDP-Man:Man3GlcNAc2-PP-dolichol-alpha1,2-mannosyltransferase, GDP-mannose-oligosaccharide-lipid mannosyltransferase, gmd3, guanosine diphosphomannose-oligosaccharide-lipid mannosyltransferase, hALG11, LEW3, mannosyltransferase, guanosine diphosphomannose-oligosaccharide-lipid, oligosaccharide-lipid mannosyltransferase

ECTree

     2 Transferases

         2.4 Glycosyltransferases

             2.4.1 Hexosyltransferases

                2.4.1.131 GDP-Man:Man3GlcNAc2-PP-dolichol alpha-1,2-mannosyltransferase

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2	Activating Compound
3418	AA Sequence
1	CAS Registry Number
7	Cloned(Commentary)
16	Disease/ Diagnostics
5	General Information
17	Inhibitors
4	KM Value [mM]
13	Localization
4	Metals/Ions
4	Molecular Weight [Da]
8	Natural Substrates/ Products (Substrates)
16	Organism
6	Pathway
6	PDB ID
5	pH Optimum
1	Posttranslational Modification
27	Protein Variants
4	Purification (Commentary)
1	Reaction
1	Reaction Type
15	Reference
13	Source Tissue
2	Specific Activity [micromol/min/mg]
3	Storage Stability
27	Substrates and Products (Substrate)
2	Subunits
18	Synonyms
1	Systematic Name
6	Temperature Optimum [°C]

Natural Substrates Products

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Natural Substrates Products on EC 2.4.1.131 - GDP-Man:Man3GlcNAc2-PP-dolichol alpha-1,2-mannosyltransferase

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NATURAL SUBSTRATE

NATURAL PRODUCT

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

REVERSIBILITY
r=reversible
ir=irreversible
?=not specified

2 GDP-alpha-D-mannose + alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-alpha-D-GlcNAc-diphosphodolichol

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

2 entries

2 GDP-alpha-D-mannose + D-Man-alpha-(1->3)-[D-Man-alpha-(1->6)]-D-Man-beta-(1->4)-D-GlcNAc-beta-(1->4)-D-GlcNAc-diphosphodolichol

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

2 entries

GDPmannose + oligosaccharide-lipid acceptor

GDP + alpha-mannosyl-1,2-oligosaccharide-lipid

2 entries

additional information

?

-

Saccharomyces cerevisiae

-

involved in asparagine-linked glycosylation, reaction proceeds in the endoplasmatic reticulum, role of the ALG9 step in downstream ER and Golgi N-glycan processing events

638572

-

-

?

2 GDP-alpha-D-mannose + alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-alpha-D-GlcNAc-diphosphodolichol

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

Saccharomyces cerevisiae

P53954

-

759307

-

-

?

2 GDP-alpha-D-mannose + alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-alpha-D-GlcNAc-diphosphodolichol

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

Saccharomyces cerevisiae ATCC 204508

P53954

-

759307

-

-

?

2 GDP-alpha-D-mannose + D-Man-alpha-(1->3)-[D-Man-alpha-(1->6)]-D-Man-beta-(1->4)-D-GlcNAc-beta-(1->4)-D-GlcNAc-diphosphodolichol

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

Saccharomyces cerevisiae

P53954

mannosyltransferase Alg11 carries out two consecutive alpha-1,2-mannosylation steps of the substrate Manalpha1,3-(Manalpha1,6)-Man-beta1,4-GlcNAc-beta1,4-GlcNAc-diphosphodolichol. Biosynthesis of asparagine-linked glycoproteins, which is assembled by the series of membrane-bound glycosyltransferases that comprise the dolichol pathway

707472

-

-

?

2 GDP-alpha-D-mannose + D-Man-alpha-(1->3)-[D-Man-alpha-(1->6)]-D-Man-beta-(1->4)-D-GlcNAc-beta-(1->4)-D-GlcNAc-diphosphodolichol

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

Saccharomyces cerevisiae

P53954

the biosynthesis of asparagine-linked glycans occurs in an evolutionarily conserved manner with the assembly of the unique lipid-linked oligosaccharide precursor Glc3Man9GlcNAc2-PPDo at the endoplasmic reticulum. The enzyme catalyzes the transfer of two alpha1,2-linked mannose residues from GDP-mannose to Man3GlcNAc2-PP-Dol and subsequently to Man4GlcNAc2-PP-Dol forming the Man5GlcNAc2-PP-Dol intermediate at the cytosolic side of the endoplasmic reticulum before flipping to the luminal side

707436

-

-

?

GDPmannose + oligosaccharide-lipid acceptor

GDP + alpha-mannosyl-1,2-oligosaccharide-lipid

Bos taurus

-

involved in biosynthesis of lipid-linked oligosaccharides up to (Man)5-(GlcNAc)2, involved in the production of two 1,2-linked mannosyl residues in mammalian lipid-linked tetradecasaccharide of the structure (Glc)3(Man)9(GlcNAc)2, the major precursor for eukaryotic en-bloc-glycosylation of asparagin-linked glycoproteins

638571

-

-

?

GDPmannose + oligosaccharide-lipid acceptor

GDP + alpha-mannosyl-1,2-oligosaccharide-lipid

Oryctolagus cuniculus

-

biosynthesis of oligosaccharide-lipids

638568, 638570

-

-

?