cysteine /cys·te·ine/ (sis-te´ēn) a sulfur-containing, nonessential amino acid produced by enzymatic or acid hydrolysis of proteins, readily oxidized to cystine; sometimes found in urine. Symbols Cys and C.
cysteine (Cys) 
cysteine [sis-te´ēn]
cysteine (sis´t
ēn´),
cys·te·ine (s s t -n , -n, s-stn)n. Abbr. Cys An alpha-amino acid found in most proteins and especially abundant in keratin. |
cysteine (Cys)
[sis′tēn]
an amino acid found in many proteins in the body, including keratin. It is a metabolic precursor of cystine and an important source of sulfur for various body functions. Compare cystine.
)
Chemical structure of cysteine
cysteine [sis-te´ēn]
a sulfur-containing amino acid, one of the nonessential amino acids, produced by enzymatic or acid hydrolysis of proteins; it is readily oxidized to cystine and is sometimes found in urine.
cysteine (sis´t
ēn´),n a nonessential amino acid found in many proteins in the body.
cysteine
a sulfur-containing amino acid produced by enzymatic or acid hydrolysis of proteins, readily oxidized to cystine; sometimes found in urine.
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