serine

noun

ser·​ine ˈser-ˌēn 

: a crystalline nonessential amino acid C₃H₇NO₃ that occurs as a residue in many proteins

Examples of serine in a Sentence

Recent Examples on the Web

But their relative levels remained consistent before and after the chunks were plunged into the asteroid simulation—there was always more glycine than serine, and more serine than alanine. —WIRED, 31 Jan. 2023

Many types of cancer cells grew more slowly when deprived of two related amino acids, serine and glycine, and deleting p53 ramped up that effect. —Jocelyn Kaiser, Science | AAAS, 1 Apr. 2021

The amount of glycine and serine, for example, both doubled. —WIRED, 31 Jan. 2023

Hyaluronidases and serine proteases aid in the efforts, and the helpless tissue succumbs to the venom's siege. —Christie Wilcox, Discover Magazine, 19 Apr. 2016

Repeats with a lot of proline, threonine and serine transform a typical protein to a mucin because of the polypeptide structure that is formed. —Coren Walters-Stewart, Discover Magazine, 18 Oct. 2022

This compound was the first ingredient of the pheromone cocktail discovered: a chemical called N-3-methylbutanoyl-O-methylpropanoyl-L-serine methyl ester, or MB-MP-S. —Lesley Evans Ogden, Discover Magazine, 19 Aug. 2019

Looking at the ingredient list, serine and biotin appear towards the beginning, meaning the formula has it in higher concentrations. —Jihan Forbes, Allure, 31 Jan. 2022

This insertion added the peptide GLTSKRN (glycine-leucine-threonine-serine-lysine-arginine-asparagine) between Spike protein positions 214 and 215. —William A. Haseltine, Forbes, 28 Sep. 2021

Word History

Etymology

International Scientific Vocabulary sericin + -ine entry 2

First Known Use

1880, in the meaning defined above

Medical Definition

serine

noun

ser·​ine ˈse(ə)r-ˌēn 

: a nonessential amino acid C₃H₇NO₃ that occurs especially as a structural part of many proteins and phosphatidylethanolamines and is a precursor of glycine

—abbreviation Ser