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tyrosine Definition

ty·ro·sine (rō sēn′, tirō-; --sin′)

noun

a white, crystalline nonessential amino acid, CHOHCHCH(NH)COOH, formed by the decomposition of proteins, as in the putrefaction of cheese

Etymology: Gr tyros, cheese (see butter) + -ine

tyrosine Usage Examples

Converse of object

  • contain: Formula 4 Feet contains the amino acid tyrosine and the element iodine, which when combined, form thyroxine, the thyroid hormone.

Adjective modifier

  • active: The Mn cluster donates electrons to P680+ via a redox active tyrosine located at position 161 on the D1 protein ( 3 ).
  • phosphorylated: The ligand ( residues 201-205 of chain B ) has its phosphorylated tyrosine shown toward the bottom of the picture.

Modifies a noun

  • kinase: Some of these proteins belong to a group called the tyrosine kinases.
  • phosphatase: Nick Tonks was the first to isolate " protein tyrosine phosphatases " .
  • phosphorylation: Recognition of foreign antigens at the TCR leads to tyrosine phosphorylation of the ITAM motifs of the -chain by Src family kinases.
  • hydroxylase: Tyrosine is converted into DOPA by the enzyme tyrosine hydroxylase.
  • inhibitor: It is a type of drug called a tyrosine kinase inhibitor.
  • residue: It commonly also contains a tyrosine residue that is important for catalysis.

Noun used with modifier

  • receptor: Many receptors are in the family receptor tyrosine kinase.
  • protein: Nick Tonks was the first to isolate " protein tyrosine phosphatases " .
  • amino: Tyramine is a compound similar to the amino acid tyrosine.
  • acid: Tyramine is a compound similar to the amino acid tyrosine.
  • non-receptor: Both receptor and non-receptor tyrosine kinases play pivotal roles in these signaling pathways.
  • enzyme: Tyrosine is converted into DOPA by the enzyme tyrosine hydroxylase.

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