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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.
L-Homocystine; L-4,4 ′-Dithiobis(2-aminobutanoic acid) Identifiers ... C 8 H 16 N 2 O 4 S 2: Molar mass: 268.35 g·mol −1 Appearance colorless solid Melting point:
α-Aminobutyric acid (AABA), also known as homoalanine in biochemistry, is a non-proteinogenic alpha amino acid with chemical formula C 4 H 9 NO 2. The straight two carbon side chain is one carbon longer than alanine, hence the prefix homo- .
Molecular mass Abundance in proteins (%) [52] Standard genetic coding, IUPAC notation; 3 1 Class Chemical polarity [53] Net charge at pH 7.4 [53] Wavelength, λ max (nm) Coefficient ε (mM −1 ·cm −1) Alanine: Ala A Aliphatic Nonpolar Neutral 1.8 89.094 8.76 GCN Arginine: Arg R Fixed cation Basic polar Positive −4.5 174.203 5.78 MGR, CGY ...
Aminobutyric acid or aminobutanoic acid may refer to any of three isomeric chemical compounds: α-Aminobutyric acid (AABA) β-Aminobutyric acid (BABA)
The systematic IUPAC name is not always the preferred IUPAC name, for example, lactic acid is a common, and also the preferred, name for what systematic rules call 2-hydroxypropanoic acid. This list is ordered by the number of carbon atoms in a carboxylic acid.
2-Aminoisobutyric acid (also known as α-aminoisobutyric acid, AIB, α-methylalanine, or 2-methylalanine) is the non-proteinogenic amino acid with the structural formula H 2 N-C(CH 3) 2-COOH. It is rare in nature, having been only found in meteorites, [ 2 ] and some antibiotics of fungal origin, such as alamethicin and some lantibiotics .
Crotonic acid has 4 carbons, is included in croton oil, and is a trans-2-mono-unsaturated fatty acid.C 3 H 5 CO 2 H, IUPAC organization name (E)-but-2-enoic acid, trans-but-2-enoic acid, numerical representation 4:1, n-1, molecular weight 86.09, melting point 72–74 °C, boiling point 180–181 °C, specific gravity 1.027.