cysteine
noun
cys·te·ine
ˈsi-stə-ˌēn 
: a crystalline sulfur-containing amino acid C3H7NO2S readily oxidizable to cystine
Examples of cysteine in a Sentence
Recent Examples on the Web
While spice allergies are rare, a certain enzyme found in ginger (cysteine proteinase GP-1) may trigger allergic reactions in some people.
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Lauren O'Connor, Ms, Health, 16 Sep. 2024
Therefore, the team did a deep dive on scientific literature for fertility-boosting ingredients, landing on three of the most effective: myo-inositol, N-acetyl cysteine (NAC) and CoQ10.
—Emily Burns, WWD, 3 Sep. 2019
So the scientists exposed the tardigrades to different kinds of molecules known to block cysteine oxidation, as scientists call binding by a free radical.
—Meghan Bartels, Scientific American, 17 Jan. 2024
The survival mechanism kicks off when cysteines, one of the amino acids that forms proteins in the body, come into contact with these oxygen free radicals and becomes oxidized, the researchers found.
—Jenna Schnuer, CNN, 5 Feb. 2024
See all Example Sentences for cysteine 
Lauren O'Connor, Ms, Health, 16 Sep. 2024
Therefore, the team did a deep dive on scientific literature for fertility-boosting ingredients, landing on three of the most effective: myo-inositol, N-acetyl cysteine (NAC) and CoQ10.
—Emily Burns, WWD, 3 Sep. 2019
So the scientists exposed the tardigrades to different kinds of molecules known to block cysteine oxidation, as scientists call binding by a free radical.
—Meghan Bartels, Scientific American, 17 Jan. 2024
The survival mechanism kicks off when cysteines, one of the amino acids that forms proteins in the body, come into contact with these oxygen free radicals and becomes oxidized, the researchers found.
—Jenna Schnuer, CNN, 5 Feb. 2024
See all Example Sentences for cysteine
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“Cysteine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cysteine. Accessed 1 Oct. 2024.
Copy CitationMedical Definition
cysteine
noun
cys·teine
ˈsis-tə-ˌēn
: a sulfur-containing amino acid C3H7NO2S occurring in many proteins and glutathione and readily oxidizable to cystine
—abbreviation Cys
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