ExplorEnz: EC 4.1.2.10

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4.1.2.10

Accepted name:

(R)-mandelonitrile lyase

Reaction:

(R)-mandelonitrile = cyanide + benzaldehyde

Other name(s):

(R)-oxynitrilase; oxynitrilase; D-oxynitrilase; D-α-hydroxynitrile lyase; mandelonitrile benzaldehyde-lyase; PaHNL; AtHNL; PhaMDL; (R)-HNL; (R)-PeHNL; (R)-hydroxynitrile lyase; R-selective hydroxynitrile lyase; R-selective HNL; (R)-(+)-mandelonitrile lyase

Systematic name:

(R)-mandelonitrile benzaldehyde-lyase (cyanide-forming)

Comments:

A variety of enzymes from different sources and with different properties. Some are flavoproteins, others are not. Active towards a number of aromatic and aliphatic hydroxynitriles (cyanohydrins).

Links to other databases:

BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9024-43-5

References:

1.	Ueatrongchit, T., Kayo, A., Komeda, H., Asano, Y. and H-Kittikun, A. Purification and characterization of a novel (R)-hydroxynitrile lyase from Eriobotrya japonica (Loquat). Biosci. Biotechnol. Biochem. 72 (2008) 1513–1522. [DOI] [PMID: 18540101]
2.	Lin, G., Han, S. and Li, Z. Enzymic synthesis of (R)-cyanohydrins by three (R)-oxynitrilase sources in micro-aqueous organic medium. Tetrahedron 55 (1999) 3531–3540.
3.	de Gonzalo, G., Brieva, R. and Gotor, V. (R)-Oxynitrilase-catalyzed transformation of ω-hydroxyalkanals. J. Mol. Catal. B 19-20 (2002) 223–230.
4.	Ueatrongchit, T., Tamura, K., Ohmiya, T., H-Kittikun, A. and Asano, Y. Hydroxynitrile lyase from Passiflora edulis. Purification, characteristics and application in asymmetric synthesis of (R)-mandelonitrile. Enzyme Microb. Technol. 46 (2010) 456–465. [PMID: 25919621]
5.	Andexer, J., von Langermann, J., Mell, A., Bocola, M., Kragl, U., Eggert, T. and Pohl, M. An R-selective hydroxynitrile lyase from Arabidopsis thaliana with an α/β-hydrolase fold. Angew. Chem. Int. Ed. Engl. 46 (2007) 8679–8681. [DOI] [PMID: 17907254]
6.	Guterl, J.K., Andexer, J.N., Sehl, T., von Langermann, J., Frindi-Wosch, I., Rosenkranz, T., Fitter, J., Gruber, K., Kragl, U., Eggert, T. and Pohl, M. Uneven twins: comparison of two enantiocomplementary hydroxynitrile lyases with α/β-hydrolase fold. J. Biotechnol. 141 (2009) 166–173. [DOI] [PMID: 19433222]

[EC 4.1.2.10 created 1961, modified 1999, modified 2011]