cysteinyl
noun
cys·tei·nyl
ˈsis-tē-ˌnil, sis-ˈtē-ə- 
: the amino acid radical or residue HSCH2CH(NH2)CO− of cysteine
—abbreviation Cys
Cite this Entry
“Cysteinyl.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cysteinyl. Accessed 29 May. 2025.
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