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EC Tree
IUBMB Comments The enzyme participates in the biosynthesis of N-acetyl-alpha-D-quinovosamine, a 6-deoxy sugar that is present in the O antigens of many Gram-negative bacteria, including Pseudomonas aeruginosa serotypes O6 and O10, Rhizobium etli, and Brucella abortus.
The enzyme appears in viruses and cellular organisms
Reaction Schemes
UDP-N-acetyl-alpha-D-quinovosamine
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Synonyms
lpsQ , UDP-2-acetamido-2,6-dideoxy-D-xylo-4-hexulose 4-reductase, UDP-2-acetamido-2,6-dideoxyhexosyl-4-ulose reductase,
wbpV ,
wreQ ,
more
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UDP-2-acetamido-2,6-dideoxy-D-xylo-4-hexulose 4-reductase
UDP-2-acetamido-2,6-dideoxyhexosyl-4-ulose reductase
lpsQ
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UDP-2-acetamido-2,6-dideoxy-D-xylo-4-hexulose 4-reductase
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UDP-2-acetamido-2,6-dideoxy-D-xylo-4-hexulose 4-reductase
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UDP-2-acetamido-2,6-dideoxyhexosyl-4-ulose reductase
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UDP-2-acetamido-2,6-dideoxyhexosyl-4-ulose reductase
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wbpV
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wreQ
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UDP-N-acetyl-alpha-D-quinovosamine + NAD(P)+ = UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NAD(P)H + H+
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UDP-N-acetyl-alpha-D-quinovosamine:NAD(P)+ 4-dehydrogenase
The enzyme participates in the biosynthesis of N-acetyl-alpha-D-quinovosamine, a 6-deoxy sugar that is present in the O antigens of many Gram-negative bacteria, including Pseudomonas aeruginosa serotypes O6 and O10, Rhizobium etli, and Brucella abortus.
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NAD(P)H + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD(P)+
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NAD(P)H + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD(P)+
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
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UDP-2-acetamido-2,6-dideoxy-alpha-D-xylohex-4-ulose + NADH + H+
UDP-N-acetyl-alpha-D-quinovosamine + NAD+
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serotype O6
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UniProt
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UniProt
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Q6TP29_RHIET
309
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33170
TrEMBL
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His6-tagged enzyme, x * 37000, SDS-PAGE
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His6-tagged enzyme, x * 37000, SDS-PAGE
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additional information
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N-acetylquinovosaminosyl residues in O-antigen polysaccharide from Rhizobium etli mutants CE166 and CE166alpha are replaced by 2-acetamido-2,6-dideoxyhexosyl-4-ulose
additional information
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N-acetylquinovosaminosyl residues in O-antigen polysaccharide from Rhizobium etli mutants CE166 and CE166alpha are replaced by 2-acetamido-2,6-dideoxyhexosyl-4-ulose
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Ni2+ profanity immobilized metal affinity chromatography
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His6-tagged enzyme is expressed in Escherichia coli BL21(DE3) cells
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Forsberg, L.; Noel, K.; Box, J.; Carlson, R.
Genetic locus and structural characterization of the biochemical defect in the O-antigenic polysaccharide of the symbiotically deficient Rhizobium etli mutant, CE166 Replacement of N-acetylquinovosamine with its hexosyl-4-ulose precursor
J. Biol. Chem.
278
51347-51359
2003
Rhizobium etli, Rhizobium etli CE3
brenda
Li, T.; Simonds, L.; Kovrigin, E.; Noel, K.
In vitro biosynthesis and chemical identification of UDP-N-acetyl-D-quinovosamine (UDP-D-QuiNAc)
J. Biol. Chem.
289
18110-18120
2014
Rhizobium etli (Q6TP29), Rhizobium etli, Rhizobium etli C3 (Q6TP29)
brenda
Belanger, M.; Burrows, L.; Lam, J.
Functional analysis of genes responsible for the synthesis of the B-band O antigen of Pseudomonas aeruginosa serotype O6 lipopolysaccharide
Microbiology
145
3505-3521
1999
Pseudomonas aeruginosa
brenda
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