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. 1987 Mar;83(3):557–563. doi: 10.1104/pp.83.3.557

Hevea Linamarase—A Nonspecific β-Glycosidase 1

Dirk Selmar 1,2, Reinhard Lieberei 1,2, Böle Biehl 1,2, Jürgen Voigt 1,2
PMCID: PMC1056404  PMID: 16665288

Abstract

In the leaf tissue of the cyanogenic plant Hevea brasiliensis, which contains large amounts of linamarin, there is no specific linamarase. In Hevea leaves only one β-glucosidase is detectable. It is responsible for the cleavage of all β-glucosides and β-galactosides occurring in Hevea leaf tissue, including the cyanogenic glucoside linamarin. Therefore, the enzyme is referred to as a β-glycosidase instead of the term β-glucosidase. This β-glycosidase has a broad substrate spectrum and occurs in multiple forms. These homo-oligomeric forms are interconvertible by dissociation-association processes. The monomer is a single protein of 64 kilodaltons.

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Selected References

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