Lysine: Difference between revisions
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{{Image|Lysine stick figure.jpg|right|150px|'''Lysine''', a common amino acid.}} | |||
'''Lysine''', abbreviated '''Lys''' or '''L''', is one of the twenty common [[amino acid]]s used by living organisms to build [[protein]]s. It is one of three positively-charge amino acids along with [[arginine]] and [[histidine]]. Because of the | '''Lysine''', abbreviated '''Lys''' or '''L''', is one of the twenty common [[amino acid]]s used by living organisms to build [[protein]]s. It is one of three positively-charge amino acids along with [[arginine]] and [[histidine]]. Because of the positive charge, lysine is mostly found exposed on the surface of a [[protein structure]]. DNA-binding proteins tend to have many lysines (and arginines) to enhance binding with the negatively-charged phosphate backbone of DNA molecules. | ||
Latest revision as of 08:31, 8 June 2009
Lysine, abbreviated Lys or L, is one of the twenty common amino acids used by living organisms to build proteins. It is one of three positively-charge amino acids along with arginine and histidine. Because of the positive charge, lysine is mostly found exposed on the surface of a protein structure. DNA-binding proteins tend to have many lysines (and arginines) to enhance binding with the negatively-charged phosphate backbone of DNA molecules.