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Family Report for: Duf_1100-R

Name Class
Duf_1100-RRank2
FamilyUPF0255
Gene_locus (77)
Gene_locus_Frgt9vibr-a6d9n5
BlockX
Paper (6)
Structure3MVE
3OUR
4I4C
InterproIPR010520 Esterase FrsA-like Protein of unknown function DUF1100 UPF0255, hydrolase-like
IPR043423 Esterase FrsA
CommentDUF1100 UPF0255. The family was split in two. Duf_1100-S with active site (S217 in (GXSXG) D300 H329) as in artni-Q93NG6, and Duf_1100-R with active site (R53, D203, R 272 (in GXRXG)) as in FrsA. The fermentation/respiration switch protein FrsA (product of the yafA gene in E. Coli (ecoli-yafa)(vibvy-y856) binds the dephosphorylated form of glucose-specific enzyme IIAGl the interaction increases the glucose fermentation under oxygen-limited conditions. FrsA is a pyruvate decarboxylase (Lee et al.)(In Scop 2,6-dihydropseudooxynicotine hydrolase) Thus there are two functions and two different active sites in this family (nucleophile elbow: GXSXG in hydrolase, GXRXG in decarboxylase). However (Kellett et al.) showed Computational, structural, and kinetic evidence that Vibrio vulnificus FrsA is not a cofactor-independent pyruvate decarboxylase. Other members of this family are still uncharacterised
PfamPF06500 FrsA-like DUF1100
PIRSFPIRSF004493 YafA protein

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Mail to: Nicolas Lenfant, Thierry Hotelier, Yves Bourne, Pascale Marchot and Arnaud Chatonnet.
Please cite: Lenfant 2013 Nucleic.Acids.Res. or Marchot Chatonnet 2012 Prot.Pept Lett.
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