The chemical reactions and pathways involving phenylethylamine, an amine with pharmacological properties similar to those of amphetamine, occurs naturally as a neurotransmitter in the brain, and is present in chocolate and oil of bitter almonds.
Y402A, Y407A, Y410A had an impact on the properties of the protein while Y402F, Y410F had little effect; the residues are near the C406 FAD binding site