3,4-dihydroxyphenylalanine


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do·pa

, DOPADopa (dō'pă),
An intermediate in the catabolism of l-phenylalanine and l-tyrosine, and in the biosynthesis of norepinephrine, epinephrine, and melanin; the l form, levodopa, is biologically active. See: dopa reaction.
Synonym(s): 3, 4-dihydroxyphenylalanine

3,4-dihydroxyphenylalanine

(dī-hī-drŏk″sē-fĕn″ĭl-ăl′ă-nēn)
1. Dopa.
2. L-phenylalanine, the primary ingredient in the artificial sweetener, aspartame.

3,4-dihydroxyphenylalanine

dopa.
References in periodicals archive ?
A major component, foot protein 1 (fp-1), is an adhesive 130-kDa protein containing a high proportion of 3,4-dihydroxyphenylalanine (DOPA) residues (Waite and Tanzer, 1981; Waite, 1983).
Simultaneous determination of acidic 3,4-dihydroxyphenylalanine metabolites and 5-hydroxyindole-3-acetic acid in urine by high-performance liquid chromatography.
Two types of polyphenolic proteins, foot proteins I and 2, both of which incorporate 3,4-dihydroxyphenylalanine (DOPA) into their primary structures, have been isolated from the mussel Mytilus edulis, and characterized (see Waite, 1992, for a review).
Simultaneous assay of 3,4-dihydroxyphenylalanine catecholamines O-methylated metabolites in human plasma using high-performance liquid chromatography.

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