3nu8

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Template:STRUCTURE 3nu8

Contents

WbpE, an Aminotransferase from Pseudomonas aeruginosa Involved in O-antigen Assembly in Complex with the Internal Aldimine

Template:ABSTRACT PUBMED 20604544

Function

[Q9HZ76_PSEAE] Plays a role in the biosynthesis of B-band O antigen for serotype O5. Catalyzes the amination of UDP-2-acetamido-2-deoxy-3-oxo-D-glucuronic acid (UDP-3-oxo-D-GlcNAcA) to UDP-2-acetamido-3-amino-2,3-dideoxy-D-glucuronic acid (UDP-GlcNAc3NA), using L-glutamate as the preferred amine donor.[1] [2] [3]

About this Structure

3nu8 is a 2 chain structure with sequence from Pseudomonas aeruginosa. Full crystallographic information is available from OCA.

Reference

  • Larkin A, Olivier NB, Imperiali B. Structural Analysis of WbpE from Pseudomonas aeruginosa PAO1: A Nucleotide Sugar Aminotransferase Involved in O-Antigen Assembly . Biochemistry. 2010 Jul 28. PMID:20604544 doi:10.1021/bi100805b
  1. ↑ Westman EL, Preston A, Field RA, Lam JS. Biosynthesis of a rare di-N-acetylated sugar in the lipopolysaccharides of both Pseudomonas aeruginosa and Bordetella pertussis occurs via an identical scheme despite different gene clusters. J Bacteriol. 2008 Sep;190(18):6060-9. doi: 10.1128/JB.00579-08. Epub 2008 Jul 11. PMID:18621892 doi:10.1128/JB.00579-08
  2. ↑ Larkin A, Imperiali B. Biosynthesis of UDP-GlcNAc(3NAc)A by WbpB, WbpE, and WbpD: enzymes in the Wbp pathway responsible for O-antigen assembly in Pseudomonas aeruginosa PAO1. Biochemistry. 2009 Jun 16;48(23):5446-55. doi: 10.1021/bi900186u. PMID:19348502 doi:10.1021/bi900186u
  3. ↑ Westman EL, McNally DJ, Charchoglyan A, Brewer D, Field RA, Lam JS. Characterization of WbpB, WbpE, and WbpD and reconstitution of a pathway for the biosynthesis of UDP-2,3-diacetamido-2,3-dideoxy-D-mannuronic acid in Pseudomonas aeruginosa. J Biol Chem. 2009 May 1;284(18):11854-62. doi: 10.1074/jbc.M808583200. Epub 2009 , Mar 12. PMID:19282284 doi:10.1074/jbc.M808583200

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