Selenocysteine: An amino acid in which selenium takes the place of sulfur in the amino acid cysteine. Its formula is H-Se-CH2-CH(NH2)-COOH. Selenocysteine is an essential component of selenium-containing proteins, or selenoproteins.
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An unusual amino acid of proteins, the selenium analogue of cysteine, in which a selenium atom replaces sulphur. Involved in the catalytic mechanism of seleno-enzymes such as formate dehydrogenase of E. coli , and mammalian glutathione peroxidase. May be co-translationally coded by a special opal suppressor tRNAase that recognizes certain UGA nonse
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<amino acid> An unusual amino acid of proteins, the selenium analogue of cysteine, in which a selenium atom replaces sulphur. Involved in the catalytic mechanism of seleno enzymes such as formate dehydrogenase of E. Coli and mammalian glutathione peroxidase. May be co translationally coded by a special opal suppressor tRNAase that recognises
Found on http://www.mondofacto.com/facts/dictionary?selenocysteine
==Nomenclature== The joint nomenclature committee of the IUPAC/IUBMB has officially recommended the three-letter symbol Sec and the one-letter symbol U for selenocysteine. ==Structure== Selenocysteine has a structure similar to that of cysteine, but with an atom of selenium taking the place of the usual sulfur, forming a selenol group which is dep
Found on http://en.wikipedia.org/wiki/Selenocysteine
Type: Term Pronunciation: sĕ-lē′nō-sis′tē-ēn Definitions: 1. Cysteine containing selenium in place of one sulfur atom.
Found on http://www.medilexicon.com/medicaldictionary.php?t=80779
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