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Entry
EC 3.2.1.174                Enzyme                                 

Name
rhamnogalacturonan rhamnohydrolase;
RG-rhamnohydrolase;
RG alpha-L-rhamnopyranohydrolase
Class
Hydrolases;
Glycosylases;
Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
BRITE hierarchy
Sysname
rhamnogalacturonan oligosaccharide alpha-L-Rha-(1->4)-alpha-D-GalA rhamnohydrolase
Reaction(IUBMB)
Exohydrolysis of the alpha-L-Rha-(1->4)-alpha-D-GalA bond in rhamnogalacturonan oligosaccharides with initial inversion of configuration releasing beta-L-rhamnose from the non-reducing end of rhamnogalacturonan oligosaccharides.
Comment
The enzyme is part of the degradation system for rhamnogalacturonan I in Aspergillus aculeatus.
History
EC 3.2.1.174 created 2011
Reference
1  [PMID:9464254]
  Authors
Pitson SM, Mutter M, van den Broek LA, Voragen AG, Beldman G
  Title
Stereochemical course of hydrolysis catalysed by alpha-L-rhamnosyl and alpha-D-galacturonosyl hydrolases from Aspergillus aculeatus.
  Journal
Biochem. Biophys. Res. Commun. 242 (1998) 552-9.
Reference
2  [PMID:7972516]
  Authors
Mutter M, Beldman G, Schols HA, Voragen AG.
  Title
Rhamnogalacturonan alpha-L-rhamnopyranohydrolase. A novel enzyme specific for the terminal nonreducing rhamnosyl unit in rhamnogalacturonan regions of pectin.
  Journal
Plant. Physiol. 106 (1994) 241-50.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 

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