threonine
Americannoun
noun
Etymology
Origin of threonine
1925–30; threon- (alteration of Greek erythrón, neuter of erythrós red; see erythro-) + -ine 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Amino acids such as valine, methionine, and alanine are nonpolar or hydrophobic in nature, while amino acids such as serine, threonine, and cysteine are polar and have hydrophilic side chains.
From Textbooks • Jun. 9, 2022
A-kinase regulates many vital metabolic pathways: It phosphorylates serine and threonine residues of its target proteins, activating them in the process.
From Textbooks • Jun. 9, 2022
A phosphatase phosphorylates serine, threonine, and tyrosine residues.
From Textbooks • Jun. 9, 2022
What property enables the residues of the amino acids serine, threonine, and tyrosine to be phosphorylated?
From Textbooks • Jun. 9, 2022
Metabolism experts have tried to prevent this in Brantner's case by adding two amino acids, lysine and threonine, to his diet.
From Time Magazine Archive
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.