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M6782

Sigma-Aldrich

Mandelonitrile Lyase from almonds

ammonium sulfate suspension, 80-240 units/mg protein (biuret)

Synonym(s):

Mandelonitrile benzaldehyde-lyase, Oxynitrilase from bitter almonds

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About This Item

CAS Number:
Enzyme Commission number:
EC Number:
MDL number:
UNSPSC Code:
12352204

form

ammonium sulfate suspension

Quality Level

specific activity

80-240 units/mg protein (biuret)

storage temp.

2-8°C

General description

Mandelonitrile lyase is a cyanogenic enzyme. [1]

Application

Mandelonitrile lyase from almonds has been used in a study to assess the apoplastic antioxidant system in Prunus. [2] It has also been used in a study to investigate screening for new hydroxynitrilases from plants. [3]

Unit Definition

One unit will form 1.0 μmole of benzaldehyde and HCN from mandelonitrile per min at pH 5.4 at 25°C.

Physical form

Suspension in 50 mM imidazole, 2.8 M (NH4)2SO4, pH 6.0

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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I P Petrounia et al.
Biochemistry, 33(10), 2891-2899 (1994-03-15)
A variety of plant growth regulators belonging to the auxin phytohormone family have been found to be good competitive inhibitors of the oxynitrilase from almonds, mandelonitrile lyase (MNL). The major natural auxin, indole-3-acetic acid (IAA), was found to inactivate MNL
Screening hydroxynitrile lyases for (R)-pantolactone synthesis.
Pscheidt, B., et al
Journal of Molecular Catalysis. B, Enzymatic, 52(53), 183-188 (2008)
P Diaz-Vivancos et al.
Journal of experimental botany, 57(14), 3813-3824 (2006-10-18)
This work describes, for the first time, the changes taking place in the antioxidative system of the leaf apoplast in response to plum pox virus (PPV) in different Prunus species showing different susceptibilities to PPV. The presence of p-hydroxymercuribenzoic acid
M Suelves et al.
Planta, 206(3), 388-393 (1998-10-09)
A gene highly expressed in the floral organs of almond (Prunus amygdalus Batsch), and coding for the cyanogenic enzyme (R)-(+)-mandelonitrile lyase (EC 4.1.2.10), has been identified and the full-length cDNA sequenced. The temporal expression pattern in maturing seeds and during
H Griengl et al.
Trends in biotechnology, 18(6), 252-256 (2000-05-10)
Enantiomerically pure cyanohydrins are important synthetic intermediates for pharmaceuticals and agrochemicals. They are produced by enzyme-catalysed synthesis using oxynitrilases. Sufficient quantities of enzyme are available via cheap natural sources and there have been recent advances in overexpression production of cyanohydrins

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