The Enzyme Database

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Accepted name: rhamnogalacturonan rhamnohydrolase
Reaction: Exohydrolysis of the α-L-Rha-(1→4)-α-D-GalA bond in rhamnogalacturonan oligosaccharides with initial inversion of configuration releasing β-L-rhamnose from the non-reducing end of rhamnogalacturonan oligosaccharides.
Other name(s): RG-rhamnohydrolase; RG α-L-rhamnopyranohydrolase
Systematic name: rhamnogalacturonan oligosaccharide α-L-Rha-(1→4)-α-D-GalA rhamnohydrolase
Comments: The enzyme is part of the degradation system for rhamnogalacturonan I in Aspergillus aculeatus.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Pitson, S.M., Mutter, M., van den Broek, L.A., Voragen, A.G. and Beldman, G. Stereochemical course of hydrolysis catalysed by α-L-rhamnosyl and α-D-galacturonosyl hydrolases from Aspergillus aculeatus. Biochem. Biophys. Res. Commun. 242 (1998) 552–559. [PMID: 9464254]
2.  Mutter, M., Beldman, G., Schols, H.A. and Voragen, A.G. Rhamnogalacturonan α-L-rhamnopyranohydrolase. A novel enzyme specific for the terminal nonreducing rhamnosyl unit in rhamnogalacturonan regions of pectin. Plant Physiol. 106 (1994) 241–250. [PMID: 7972516]
[EC created 2011]

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