ExplorEnz: EC 4.1.1.109

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4.1.1.109

Accepted name:

phenylacetaldehyde synthase

Reaction:

L-phenylalanine + O₂ + H₂O = phenylacetaldehyde + CO₂ + NH₃ + H₂O₂

For diagram of phenylacetaldehyde, 4-hydroxyphenylacetaldehyde and 3,4-dihydroxyacetaldehyde biosynthesis, click here

Other name(s):

PAAS (gene name)

Systematic name:

L-phenylalanine carboxy-lyase (oxidative-deaminating)

Comments:

A pyridoxal 5′-phosphate protein. The enzyme, isolated from the the plants Petunia hybrida and a Rosa hybrid, catalyses the production of phenylacetaldehyde directly from L-phenylalanine. The enzyme is specific for L-phenylalanine and does not accept other aromatic amino acids as substrates.

Links to other databases:

BRENDA, EXPASY, KEGG, MetaCyc, PDB

References:

Kaminaga, Y., Schnepp, J., Peel, G., Kish, C.M., Ben-Nissan, G., Weiss, D., Orlova, I., Lavie, O., Rhodes, D., Wood, K., Porterfield, D.M., Cooper, A.J., Schloss, J.V., Pichersky, E., Vainstein, A. and Dudareva, N. Plant phenylacetaldehyde synthase is a bifunctional homotetrameric enzyme that catalyzes phenylalanine decarboxylation and oxidation. J. Biol. Chem. 281 (2006) 23357–23366. [DOI] [PMID: 16766535]

[EC 4.1.1.109 created 2017]