The Enzyme Database

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Accepted name: non-reducing end β-L-arabinopyranosidase
Reaction: Removal of a terminal β-L-arabinopyranose residue from the non-reducing end of its substrate.
Other name(s): vicianosidase; β-L-arabinosidase (ambiguous); β-L-arabinoside arabinohydrolase (ambiguous)
Systematic name: β-L-arabinopyranoside non-reducing end β-L-arabinopyranosidase
Comments: The enzyme, which was characterized from dormant seeds of the plant Cajanus cajan (pigeon pea), has been shown to remove the terminal non-reducing β-L-arabinopyranoside residue from the artificial substrate p-nitrophenyl-β-L-arabinopyranose [1]. In the presence of methanol the enzyme demonstrates transglycosylase activity, transferring the arabinose moiety to methanol while retaining the anomeric configuration, generating 1-O-methyl-β-L-arabinopyranose [2].
Links to other databases: BRENDA, EXPASY, Gene, KEGG, MetaCyc, CAS registry number: 39361-63-2
1.  Dey, P.M. β-L-Arabinosidase from Cajanus indicus: a new enzyme. Biochim. Biophys. Acta 302 (1973) 393–398. [DOI] [PMID: 4699248]
2.  Dey, P. M. Further characterization of β-L-arabinosidase from Cajanus indicus. Biochim.Biophys. Acta 746 (1983) 8–13.
[EC created 1976, modified 2013]

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