One of the mysteries of the English language finally explained.
A hydrophilic amino acid which is a constituent of most proteins and is important in the synthesis of some hormones.
Chemical formula: C₆H₄(OH)CH₂CH(NH₂)COOH
- ‘Cysteine, tyrosine, asparagine and histidine are also attractive in this connection, because each of them is encoded by only two possible codons.’
- ‘The most prevalent amino acid is cysteine with other major ones including tyrosine, histidine, lysine and arginine.’
- ‘It preferentially hydrolyzes peptide bonds involving tyrosine, phenylalanine, and tryptophan.’
- ‘Dopamine is made from the amino acids tyrosine and phenylalanine.’
- ‘In animal cells serine, threonine and tyrosine are the amino acids subject to phosphorylation.’
Mid 19th century: formed irregularly from Greek turos ‘cheese’ + -ine.
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