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D-glutamic acids

D-glutamic acid L-glutamic acid Glu decarboxylase + Glu racemase iMctohac. brevis 207... [Pg.293]

The a-carbon of glutamic acid is chiral. A convenient and effective means to determine the chemical purity of MSG is measurement of its specific rotation. The specific optical rotation of a solution of 10 g MSG in 100 mL of 2 A/HQ is +25.16. Besides L-glutamic acid [56-86-0] D-glutamic acid [6893-26-1] and the racemic mixture, DL-glutamic acid [617-65-2] are known. Unique taste modifying characteristics are possessed only by the L-form. [Pg.303]

Protein Arginine d Glutamic Acid d e Histidine b d e Lysine b d Ornithine d TJrrosine ... [Pg.20]

Fig. 8.1 Biosynthesis of peptidoglycan. The large circles represent A -acetylglucosamine orN-acetylmuramic acid to the latter is linked initially a pentapeptide chain comprising L-alanine, D-glutamic acid and meso-diaminopiraelic acid (small circles) terminating in two D-alanine residues (small, darker circles). The lipid molecule is undecaprenyl phosphate. In the initial (cytoplasm) stage where inhibition by the antibiotic D-cycloserine is shown, two molecules of Dalanine (small circles) are converted by an isomerase to the D-forms (small, darker circles), alter which a ligase joins the two D-alanines together to produce a D-alanyl-D-alanine dipeptide. Fig. 8.1 Biosynthesis of peptidoglycan. The large circles represent A -acetylglucosamine orN-acetylmuramic acid to the latter is linked initially a pentapeptide chain comprising L-alanine, D-glutamic acid and meso-diaminopiraelic acid (small circles) terminating in two D-alanine residues (small, darker circles). The lipid molecule is undecaprenyl phosphate. In the initial (cytoplasm) stage where inhibition by the antibiotic D-cycloserine is shown, two molecules of Dalanine (small circles) are converted by an isomerase to the D-forms (small, darker circles), alter which a ligase joins the two D-alanines together to produce a D-alanyl-D-alanine dipeptide.
Figure 14 Chiral separation of dansyl amino acids by chiral polyacrylamide gel electrophoresis. Peak identification 1 = dansyl-L-glutamic acid, 2 = dansyl-D-glutamic acid, 3 = dansyl-L-serine, 4 = dansyl-D-serine, 5 = dansyl-L-leucine, 6 = dansyl-D-leu-cine. (From Guttman, A., Paulus, A., Cohen, A. S., Grinberg, N. and Karger, B. L., /. Chromatogr., 448, 41, 1988. With permission.)... Figure 14 Chiral separation of dansyl amino acids by chiral polyacrylamide gel electrophoresis. Peak identification 1 = dansyl-L-glutamic acid, 2 = dansyl-D-glutamic acid, 3 = dansyl-L-serine, 4 = dansyl-D-serine, 5 = dansyl-L-leucine, 6 = dansyl-D-leu-cine. (From Guttman, A., Paulus, A., Cohen, A. S., Grinberg, N. and Karger, B. L., /. Chromatogr., 448, 41, 1988. With permission.)...
King EC, Watkins WJ, Blacker AJ et al (1998) Covalent modification in aqueous solution of poly-y-D-glutamic acid from Bacillus licheniformis. J Polvin Sci A Polym Chem 36 1995-1999... [Pg.58]

Prodhomme EJF, Tutt AL, Glennie MJ et al (2003) Multivalent conjugates of poly-y-D-glutamic acid from Bacillus licheniformis with antibody F(ab ) and glycopeptide ligands. Bioconjug Chem 14 1148-1155... [Pg.58]

Schneerson R, Kubler-Kielb J, Liu TY et al (2003) Poly(y-D-glutamic acid) protein conjugates induce IgG antibodies in mice to the capsule of Bacillus anthracis a potential addition to the anthrax vaccine. Proc Natl Acad Sci USA 100 8945-8950... [Pg.58]

Wang TT, Fellows PF, Leighton TJ et al (2004) Induction of opsonic antibodies to the gamma-D-glutamic acid capsule of Bacillus anthracis by immunization with a synthetic peptide-carrier protein conjugate. FEMS Immunol Med Microbiol 40 231-237... [Pg.58]

Joyce J, Cook J, Chabot D et al (2006) Immunogenicity and protective efficacy of Bacillus anthracis poly-y-D-glutamic acid capsule covalently coupled to a protein carrier using a novel triazine-based conjugation strategy. J Biol Chem 281 4831 -843... [Pg.59]

Kubler-Kielb J, Liu TY, Mocca C et al (2006) Additional conjugation methods and immunogenicity of Bacillus anthracis poly-y-D-glutamic acid-protein conjugates. Infect Immun 74 4744 1749... [Pg.59]

G4. Gerrard, J. W., Marko, A. M., and Buchan, D., Glutamic acid derivatives in juvenile and adult celiac disease, 1. Plasma glutamic acid levels after a gliadin tolerance test. Can. Med. Assoc. J. 83, 1321-1323 (1960). [Pg.115]

A series of derivatives of the ester 37, having amino acid or peptide residues linked through the carboxyl group of the lactic acid residue, has been described. Their exact structures depend on the growth conditions and the bacterial strain used. The chain attached may contain L-alanine 7,151,154,155 the dipeptide L-alanyl-D-glutamic acid 156,157 the tripeptides L-alanyl-y-D-glutamyl-L-lysine,157-160 L-al-... [Pg.328]

D-Glutamic acid-g-(t-butyl)ester N-carboxy anhydride was previously polymerized by Fujimoto et al. (1) in a l,2-dichloroethane/l,4-dioxane mixture using sodium 4-methyl-2-pyrrolidone as initiator. Additional derivatives were... [Pg.478]

Figure 10.11 Conditional stability constant graphs for (a) ethylenediaminedisuccinic acid [(S,S)-EDS], (b) ethylenediaminetetraacetic acid (EDTA), (c) iminodisuccinic acid (IDS), (d) glutamic acid N,N-diacetic acid (CLDA), and (e) methylglycinediacetic acid (MGDA). Figure 10.11 Conditional stability constant graphs for (a) ethylenediaminedisuccinic acid [(S,S)-EDS], (b) ethylenediaminetetraacetic acid (EDTA), (c) iminodisuccinic acid (IDS), (d) glutamic acid N,N-diacetic acid (CLDA), and (e) methylglycinediacetic acid (MGDA).
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D-Glutamate

Dansyl-D-glutamic acid

Glutamic acid/glutamate

Poly-D-glutamic acid

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