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aspartic acid

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
aspartic acid /as·par·tic ac·id/ (ah-spahr´tik) a nonessential, natural dibasic amino acid occurring in proteins and also an excitatory neurotransmitter in the central nervous system. Symbols Asp and D.
as·par·tic ac·id (-spärtk)
n. Abbr. Asp
One of the nonessential amino acids that occur in proteins. Also called alpha-aminosuccinic acid.

aspartic acid (Asp)
[aspär′tik]
a nonessential amino acid present in sugar cane, beet molasses, and breakdown products of many proteins. Pure aspartic acid is a water-soluble, colorless crystalline substance. Aspartic acid is interconvertible with oxaloacetic acid from the citric acid cycle. Aspartic acid is used in culture media, dietary supplements, detergents, fungicides, and germicides. Also called aminosuccinic acid. See also amino acid, protein.
Chemical structure of aspartic acidenlarge picture
Chemical structure of aspartic acid

aspartic acid
a nonessential dicarboxylic amino acid, widely distributed in proteins.


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Lau hypothesizes that ingestion of the well-established neurotoxicants aspartic acid and L-glutamic acid as additives could lead to a high enough body burden to kill neurons by a mechanism called excitotoxicity.
The nucleotide changes at positions 1397, 1407, and 1481 resulted in amino acid substitutions (with 94% identity to Malaysia, 56 of 59) from isoleucine to valine, glycine to glutamic acid, and asparagine to aspartic acid at codons 429, 432, and 457 of N protein, respectively.
A synthetic derivative of a combination of aspartic acid and phenylalanine, the same two amino acids that are used to make aspartame.
 
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