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cysteine

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
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.
cys·te·ine (sst-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 cysteineenlarge picture
Chemical structure of cysteine

cysteine (sis´tēn´),
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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K11777 deactivates enzymes called cysteine proteases, which a schistosome needs to digest proteins drawn from human blood.
Their primary structure includes four conserved cysteine residues, and they are categorized into four subfamilies known as CXC, CC, C, and CX3C according to the positions of the first two cysteine residues.
The enzyme in the resistant strains is called Mir1-CP or maize insect resistance cysteine protease.
 
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