dihydroxyphenylalanine


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dihydroxyphenylalanine

[¦dī‚hī¦dräk·sē‚fen·əl′al·ə‚nēn]
(biochemistry)
C9H11NO4 An amino acid that can be formed by oxidation of tyrosine; it is converted by a series of biochemical transformations, utilizing the enzyme dopa oxidase, to melanins. Also known as dopa.
References in periodicals archive ?
Derivation of urinary dopamine from plasma dihydroxyphenylalanine in humans.
Ozawa K, et at Translational incorporation of l-3,4- dihydroxyphenylalanine into proteins.
This report described a liquid chromatographic electrochemical detection (LCED) (4) method for measuring plasma concentrations of catecholamines as well as dihydroxyphenylglycol (DHPG), the main deaminated metabolite of norepinephrine, dihydroxyphenylalanine (DOPA), the immediate precursor of dopamine, and dihydroxyphenylacetic acid (DOPAC), the deaminated metabolite of dopamine.