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amino acid

noun

: an amphoteric organic acid containing the amino group NH2
especially : any of the various amino acids having the amino group in the alpha position that are the chief components of proteins and are synthesized by living cells or are obtained as essential components of the diet

Example Sentences

Recent Examples on the Web The test offered a way to detect high levels of phenylalanine, the amino acid that builds up in PKU. Mark Johnson, jsonline.com, 29 Apr. 2022 This doesn’t stop me from moving on to Zenify — which contains 350 mg of l-theanine and GABA as well as 350mg of glycine, another amino acid. Elizabeth Lopatto, The Verge, 13 Jan. 2021 For example, in participants who took saccharin, the production of a type of amino acid increased,echoing patterns seen in people with diabetes. Emily Willingham, Scientific American, 19 Aug. 2022 Moringa may boost cognition given its amino acid and vitamin profile. Valerie Agyeman, Good Housekeeping, 15 Aug. 2022 The product has a hypoallergenic and dermatologist-tested lightweight formula and also features hyaluronic acid and arginine, an antioxidant-rich amino acid. Nicol Natale, PEOPLE.com, 26 June 2022 The two antibodies bind from amino acid positions 812-830 in the SARS-CoV-2 Spike protein. William A. Haseltine, Forbes, 1 Aug. 2022 In each of these cases, virologists have found that SARS-CoV-2 appears capable of accumulating mutations in the amino acid chains that make up Mpro, enabling it to continue replicating despite the presence of nirmatrelvir. David Cox, Wired, 9 Aug. 2022 Both silent and amino acid altering mutations in the Orf1ab replication complex, structural proteins, and accessory genes can increase the viral fitness of SARS-CoV-2. William A. Haseltine, Forbes, 11 July 2022 See More

Word History

First Known Use

1897, in the meaning defined above

Time Traveler
The first known use of amino acid was in 1897

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