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α-Aminobutyric acid is one of the three isomers of aminobutyric acid. The two other are the neurotransmitter γ-Aminobutyric acid (GABA) and β-Aminobutyric acid (BABA) which is known for inducing plant disease resistance. The conjugate base of α-aminobutyric acid is the carboxylate α-aminobutyrate. This amino acid has been detected in ...
β-Aminobutyric acid (BABA) is an isomer of the amino acid aminobutyric acid with the chemical formula C 4 H 9 NO 2.It has two isomers, α-aminobutyric acid and γ-aminobutyric acid (GABA), a neurotransmitter in animals that is also found in plants, where it may play a role in signalling.
Aminobutyric acid or aminobutanoic acid may refer to any of three isomeric chemical compounds: α-Aminobutyric acid (AABA) β-Aminobutyric acid (BABA)
Sulfamic acid crystallizes in the zwitterion form. [7] In crystals of anthranilic acid there are two molecules in the unit cell. One molecule is in the zwitterion form, the other is not. [8] In the solid state, H 4 EDTA is a zwitterion with two protons having been transferred from carboxylic acid groups to the nitrogen atoms. [9]
Structure of a typical L-alpha-amino acid in the "neutral" form. Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. [1] Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins. [2] Only these 22 appear in the genetic code of life ...
Turns are classified [2] according to the separation between the two end residues: In an α-turn the end residues are separated by four peptide bonds (i → i ± 4). In a β-turn (the most common form), by three bonds (i → i ± 3). In a γ-turn, by two bonds (i → i ± 2). In a δ-turn, by one bond (i → i ± 1), which is sterically unlikely.
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Threonine (symbol Thr or T) [2] is an amino acid that is used in the biosynthesis of proteins.It contains an α-amino group (which is in the protonated −NH + 3 form when dissolved in water), a carboxyl group (which is in the deprotonated −COO − form when dissolved in water), and a side chain containing a hydroxyl group, making it a polar, uncharged amino acid.