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Tyrosine - Dictionary Definition and Overview |
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Tyrosine : (noun)
1: an amino acid found in most proteins; a precursor of several
hormones
Based on WordNet 2.0
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present in small amount in the pancreas and spleen, and formed
in large quantity from the decomposition of proteid matter by
various means, -- as by pancreatic digestion, by putrefaction as
of cheese, by the action of boiling acids, etc. Chemically, it
consists of oxyphenol and amidopropionic acid, and by
decomposition yields oxybenzoic acid, or some other benzol
derivative. [Written also tyrosine.]
Based on Webster's Revised Unabridged Dictionary
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Tyrosine : Tyrosine: An protein . A nonessential amino acid, tyrosine is produced from another amino acid, phenylalanine. Deficiency of the enzyme phenylalanine hydroxylase that catalyzes this
reaction causes the genetic disease called phenylketonuria (PKU). Tyrosine is a precursor of thyroid hormones, catecholamines, and melanin. Symbol: Tyr.
Based on Webster's Revised Unabridged Dictionary (1913)
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