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ENZYME entry: EC 4.1.1.108

Accepted Name
4-hydroxyphenylacetaldehyde synthase.
Reaction catalysed
L-tyrosine + O(2) + H(2)O <=> (4-hydroxyphenyl)acetaldehyde + CO(2) + NH(3) + H(2)O(2)
Cofactor(s)
Pyridoxal 5'-phosphate.
Comment(s)
  • The enzyme, isolated from the the plant Petroselinum crispum (parsley), catalyzes the production of 4-hydroxyphenylacetaldehyde directly from L-tyrosine.
  • Tyramine is not formed as an intermediate.
  • The enzyme has a low activity with L-dopa (cf. EC 4.1.1.107).
Cross-references
BRENDA4.1.1.108
EC2PDB4.1.1.108
ExplorEnz4.1.1.108
PRIAM enzyme-specific profiles4.1.1.108
KEGG Ligand Database for Enzyme Nomenclature4.1.1.108
IUBMB Enzyme Nomenclature4.1.1.108
IntEnz4.1.1.108
MEDLINEFind literature relating to 4.1.1.108
MetaCyc4.1.1.108
UniProtKB/Swiss-Prot
Q06086, HPAAS_PETCR;  A0A2I6B3P0, HPAAS_RHORB;  

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