lysine


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lysine

 [li´sēn]
a naturally occurring amino acid, one of those essential for human metabolism, necessary for optimal growth in human infants and for maintenance of nitrogen equilibrium in adults. The acetate and hydrochloride salts are used for dietary supplementation and the hydrochloride salt is used for the treatment of severe metabolic acidosis refractory to other treatment.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ly·sine (K, Lys),

(lī'sēn),
2,6-Diaminohexanoic acid; the l-isomer is a nutritionally essential α-amino acid of mammals found in many proteins; distinguished by an ε-amino group.
Farlex Partner Medical Dictionary © Farlex 2012

lysine

(lī′sēn′, -sĭn)
n.
An essential amino acid, C6H14N2O2, obtained by the hydrolysis of proteins and required by the body for optimum growth.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

ly·sine

(k) (lī'sēn)
A nutritionally essential α-amino acid found in many proteins; distinguished by an ε-amino group.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Lysineclick for a larger image
Fig. 214 Lysine . Molecular structure.

lysine (K, Lys)

one of 20 AMINO ACIDS common in proteins, having an extra basic group and being alkaline in solution. See Fig. 214 . The ISOELECTRIC POINT of lysine is 10.0.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

ly·sine

(Lys) (lī'sēn)
A nutritionally essential α-amino acid found in many proteins.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
The experiment on the effect of protease activity on BG and lysine levels showed that the addition of crude protease of 500 and 400 U/g in CSK results in change in FG and BG levels (Table 1).
Keeping in view the above facts, the present study was conducted to explore the effect of rumen protected lysine and methionine supplementation on production performance, milk and blood parameters of early lactating Nili Ravi buffaloes.
Lysine, one of the most important and critical essential amino acids, and its demand has been steadily increased in recent years.
The basal diet (Table 2) was formulated to contain 0.6118% digestible isoleucine, representing 57% of 1.0735 digestible lysine level and the other diets with increasing levels of 2% in relation to the basal diet.
*Quality Control Complexities amongst the Lysine Manufacturers
Researchers found "limited" options for replacing animal-based lysine with plant-based lysine
These birds were kept under factorial arrangement of 4(varieties) x 3(lysine regimens) x 20 birds (replicates), each replicate having one bird in it.
As the dietary methionine + cysteine: lysine ratio increased, the feed conversion value decreased (P<0.01), according to the regression equation: FC=2.336-1.336X; R2=0.74.
Valine and serine concentrations in pig muscle decreased linearly (p<0.05) and proline showed a trend to decrease (p<0.10) when the SID valine: lysine ratios were increased (Table 8).
Though a histone desuccinylase enzyme has not been identified, given that mitochondrial SIRT5 has lysine desuccinylation activity in mitochondria, lysine deacetylases such as nuclear localized HDAC or SIRT family proteins are possible histone desuccinylases [17].