Author: Uversky, Vladimir N
Title: The alphabet of intrinsic disorder: II. Various roles of glutamic acid in ordered and intrinsically disordered proteins Document date: 2013_4_1
ID: 63gh2tg4_9
Snippet: Chemical structure of glutamic acid. Glutamic acid (glutamate, Glu, E, see Fig. 2A ) is one of the 20 proteinogenic amino acids encoded by the standard genetic code and its codons are GAA and GAG. Glutamic acid is a dibasic nonessential amino acid that has a molecular mass of 147.13 Da (molecular mass of Glu residue is 129.12 Da), surface of 190 Å 2 , volume of 138.4 Å 3 , pK a of side chain of 4.6 and pI 3.08 at 25°C. Intriguingly, free gluta.....
Document: Chemical structure of glutamic acid. Glutamic acid (glutamate, Glu, E, see Fig. 2A ) is one of the 20 proteinogenic amino acids encoded by the standard genetic code and its codons are GAA and GAG. Glutamic acid is a dibasic nonessential amino acid that has a molecular mass of 147.13 Da (molecular mass of Glu residue is 129.12 Da), surface of 190 Å 2 , volume of 138.4 Å 3 , pK a of side chain of 4.6 and pI 3.08 at 25°C. Intriguingly, free glutamic acid is not very soluble, possessing solubility of 0.864 g/100 g at 25°C, which is significantly lower than the solubility of free prolines (162.3 g/100 g at 25°C), and the solubility of the vast majority of free amino acids (www.fli-leibniz.de/ IMAGE_AA.html).
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