- a crystalline, basic, amino acid, H2N(CH2)4CH(NH2)COOH, produced chiefly from many proteins by hydrolysis, essential in the nutrition of humans and animals. Abbreviation: Lys; Symbol: K
Origin of lysine
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Examples from the Web for lysine
Zein, the principal protein of corn contains no glycine, lysine, or tryptophane.The Chemistry of Plant Life
Roscoe Wilfred Thatcher
- an essential amino acid that occurs in proteins
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- An essential amino acid derived from the hydrolysis of proteins and required by the body for optimum growth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- An essential amino acid. Chemical formula: C6H14N2O2. See more at amino acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.