- cys|te|ine
- cys|te|ine «SIHS tee een, -ihn», noun.a crystalline amino acid present in proteins and derived from cystine. Formula: C3H7O2NS
Useful english dictionary. 2012.
cys|te|ine
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ho|mo|cys|te|ine — «HOH muh SIHS tee een, ihn», noun. a crystalline amino acid that is an intermediate in the metabolic conversion of methionine to cysteine. Formula: C4H9NO2S … Useful english dictionary
cys|tine — «SIHS teen, tihn», noun. a crystalline amino acid found in many proteins, especially keratin: »To speed the healing of a wound, whether in battle or in an operating room, the human body needs one particular chemical, a protein building block… … Useful english dictionary
cysteine — cys•te•ine [[t]ˈsɪs tiˌin, ɪn[/t]] n. biochem. a crystalline amino acid, C3H7O2Na component of nearly all proteins, obtained by the reduction of cystine Abbr.: Cys; Symbol:C 10), a) • Etymology: 1880–85; alter. of cystine cys te•in′ic, adj … From formal English to slang
cysteine endopeptidase — cys·te·ine en·do·pep·ti·dase (sisґte ēn en″do pepґtĭ dās) [EC 3.4.22] any of a group of endopeptidases containing at the active site a cysteine residue involved in catalysis; the group includes papain and several cathepsins.… … Medical dictionary
cysteine-type carboxypeptidase — cys·te·ine type car·boxy·pep·ti·dase (sisґte ēn tīp″ kahr bok″se pepґtĭ dās) 1. [EC 3.4.18] any exopeptidase that contains a cysteine residue at the active site and catalyzes the thiol dependent hydrolytic cleavage … Medical dictionary
cysteine — Amino 3 mercaptopropionic acid; the l isomer is found in most proteins; especially abundant in keratin. c. desulfhydrase SYN: cystathionine γ lyase. c. synthase SYN: cystathionine β synthase. * * * cys·teine sis tə .ēn n a sulfur containing amino … Medical dictionary
Homocysteine — An amino acid produced by the body, usually as a byproduct of consuming meat. Homocysteine is made from another amino acid, methionine, and then in turn is converted into other amino acids. Elevated levels of homocysteine in the blood appear to… … Medical dictionary
acetylcysteine — A mucolytic agent that reduces the viscosity of mucous secretions; used to prevent liver injury produced by acetaminophen toxicity. * * * ace·tyl·cys·te·ine ə .sēt əl sis tə .ēn, .as ə .tēl , .as ət əl n a mucolytic agent C5H9NO3S used esp. to… … Medical dictionary
homocysteine — ho·mo·cys·te·ine (hō mə sĭsʹtə ēn , ĭn, tē ) n. An amino acid used normally by the body in cellular metabolism and the manufacture of proteins. Elevated concentrations in the blood are thought to increase the risk for heart disease by damaging… … Universalium
dicysteine — SYN: cystine. * * * di·cys·te·ine (di″sis teґin) cystine … Medical dictionary
