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Tyrosine C9H11NO3
酪胺酸
By:
Joe Hing Kwok Chu
One of the
twenty amino acids directly coded in proteins. It is abundant in cheese.
It exists in many types of
protein. It is a precursor of epinephrine, norepinephrine, thyroxine,
triiodothyronine and melatonin.
It is nonessential in humans
since it can be synthesized from
phenylalanine.
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Last update: Nov 17, 2008;
3:52 p.m. LAH
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