cys·​tei·​nyl ˈsis-tē-ˌnil, sis-ˈtē-ə- How to pronounce cysteinyl (audio)
: the amino acid radical or residue HSCH2CH(NH2)CO− of cysteine
abbreviation Cys

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Cite this Entry

“Cysteinyl.” Medical Dictionary, Merriam-Webster, Accessed 31 Mar. 2023.

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