Enzymes
| UniProtKB help_outline | 1 proteins |
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Reaction participants Show >> << Hide
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Name help_outline
dolichyl phosphate
Identifier
CHEBI:57683
Charge
-2
Formula
C20H35O4P(C5H8)n
Search links
Involved in 24 reaction(s)
Find proteins in UniProtKB for this molecule
Form(s) in this reaction:
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Identifier: RHEA-COMP:19498Polymer name: a di-trans,poly-cis-dolichyl phosphatePolymerization index help_outline n-1Formula C20H35O4P(C5H8)n-1Charge (-2)(0)n-1Mol File for the polymer
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- Name help_outline UDP-N-acetyl-α-D-glucosamine Identifier CHEBI:57705 (Beilstein: 4286654) help_outline Charge -2 Formula C17H25N3O17P2 InChIKeyhelp_outline LFTYTUAZOPRMMI-CFRASDGPSA-L SMILEShelp_outline CC(=O)N[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1OP([O-])(=O)OP([O-])(=O)OC[C@H]1O[C@H]([C@H](O)[C@@H]1O)n1ccc(=O)[nH]c1=O 2D coordinates Mol file for the small molecule Search links Involved in 88 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
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Name help_outline
dolichyl N-acetyl-α-D-glucosaminyl phosphate
Identifier
CHEBI:58050
Charge
-1
Formula
C28H49NO9P(C5H8)n
Search links
Involved in 1 reaction(s)
Find proteins in UniProtKB for this molecule
Form(s) in this reaction:
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Identifier: RHEA-COMP:19508Polymer name: an N-acetyl-α-D-glucosaminyl-phospho-di-trans,poly-cis-dolicholPolymerization index help_outline n-1Formula C28H49NO9P(C5H8)n-1Charge (-1)(0)n-1Mol File for the polymer
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- Name help_outline UDP Identifier CHEBI:58223 Charge -3 Formula C9H11N2O12P2 InChIKeyhelp_outline XCCTYIAWTASOJW-XVFCMESISA-K SMILEShelp_outline O[C@@H]1[C@@H](COP([O-])(=O)OP([O-])([O-])=O)O[C@H]([C@@H]1O)n1ccc(=O)[nH]c1=O 2D coordinates Mol file for the small molecule Search links Involved in 576 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:14693 | RHEA:14694 | RHEA:14695 | RHEA:14696 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Publications
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Biochemical evidence for an alternate pathway in N-linked glycoprotein biosynthesis.
Larkin A., Chang M.M., Whitworth G.E., Imperiali B.
Asparagine-linked glycosylation is a complex protein modification conserved among all three domains of life. Herein we report the in vitro analysis of N-linked glycosylation from the methanogenic archaeon Methanococcus voltae. Using a suite of synthetic and semisynthetic substrates, we show that A ... >> More
Asparagine-linked glycosylation is a complex protein modification conserved among all three domains of life. Herein we report the in vitro analysis of N-linked glycosylation from the methanogenic archaeon Methanococcus voltae. Using a suite of synthetic and semisynthetic substrates, we show that AglK initiates N-linked glycosylation in M. voltae through the formation of α-linked dolichyl monophosphate N-acetylglucosamine, which contrasts with the polyprenyl diphosphate intermediates that feature in both eukaryotes and bacteria. Notably, AglK has high sequence homology to dolichyl phosphate β-glucosyltransferases, including Alg5 in eukaryotes, suggesting a common evolutionary origin. The combined action of the first two enzymes, AglK and AglC, afforded an α-linked dolichyl monophosphate glycan that serves as a competent substrate for the archaeal oligosaccharyl transferase AglB. These studies provide what is to our knowledge the first biochemical evidence revealing that, despite the apparent similarity of the overall pathways, there are actually two general strategies to achieve N-linked glycoproteins across the domains of life. << Less
Nat. Chem. Biol. 9:367-373(2013) [PubMed] [EuropePMC]
This publication is cited by 1 other entry.