glutamine
noun
glu·ta·mine ˈglü-tə-ˌmēn 
: a crystalline amino acid C5H10N2O3 that is found both free and in proteins in plants and animals and that yields glutamic acid and ammonia on hydrolysis
Example Sentences
Recent Examples on the Web This is a substitution of lysine for glutamine at position 452 (L452Q). 
William A. Haseltine, Forbes, 22 Apr. 2022 Your gut has a hearty appetite for the amino acid glutamine. Patrick Wilson, Outside Online, 2 Nov. 2020 The glutamic acid is substituted by the polar uncharged amino acid glutamine (E484Q). William A. Haseltine, Forbes, 12 Apr. 2021 In some lineages the mutation was Q677P, where the 677th amino acid of the spike protein changed from glutamine (Q) to proline (P). New York Times, 15 Feb. 2021 Crystals formed after heating an ethanol-and-water solution containing L-glutamine and beta-alanine. Andrea Gawrylewski, Scientific American, 15 Oct. 2020 Starting in the 1950s, researchers tried to turn tumors’ glutamine dependence against them, developing drugs to block its metabolism. Mitch Leslie, Science | AAAS, 7 Nov. 2019 Consuming collagen is a particularly great way to get more conditional amino acids, like arginine, glutamine, glycine and proline. Better Health Market, Detroit Free Press, 30 July 2019 That’s got your biotin, your collagen, your glutamine, your niacinamide. Roxanne Adamiyatt, Town & Country, 23 Feb. 2019 See More
William A. Haseltine, Forbes, 22 Apr. 2022 Your gut has a hearty appetite for the amino acid glutamine. Patrick Wilson, Outside Online, 2 Nov. 2020 The glutamic acid is substituted by the polar uncharged amino acid glutamine (E484Q). William A. Haseltine, Forbes, 12 Apr. 2021 In some lineages the mutation was Q677P, where the 677th amino acid of the spike protein changed from glutamine (Q) to proline (P). New York Times, 15 Feb. 2021 Crystals formed after heating an ethanol-and-water solution containing L-glutamine and beta-alanine. Andrea Gawrylewski, Scientific American, 15 Oct. 2020 Starting in the 1950s, researchers tried to turn tumors’ glutamine dependence against them, developing drugs to block its metabolism. Mitch Leslie, Science | AAAS, 7 Nov. 2019 Consuming collagen is a particularly great way to get more conditional amino acids, like arginine, glutamine, glycine and proline. Better Health Market, Detroit Free Press, 30 July 2019 That’s got your biotin, your collagen, your glutamine, your niacinamide. Roxanne Adamiyatt, Town & Country, 23 Feb. 2019 See More Word History
Etymology
International Scientific Vocabulary gluten + amine
First Known Use
circa 1885, in the meaning defined above
Medical Definition
glutamine
noun
glu·ta·mine ˈglüt-ə-ˌmēn
: a crystalline amino acid C5H10N2O3 that is found both free and in proteins in plants and animals and that yields glutamic acid and ammonia on hydrolysis —abbreviation Gln