3-Aminoisobutyric acid

3-Aminoisobutyric acid

IUPAC name 3-Amino-2-methylpropanoic acid
Other names 3-Aminoisobutyrate
Identifiers
CAS number	144-90-1
PubChem	64956
ChemSpider	58481^Y
KEGG	C05145^Y
ChEBI	CHEBI:27389^Y
Jmol-3D images	Image 1 Image 2
SMILES CC(CN)C(=O)O O=C(O)C(C)CN
InChI InChI=1S/C4H9NO2/c1-3(2-5)4(6)7/h3H,2,5H2,1H3,(H,6,7)^Y Key: QCHPKSFMDHPSNR-UHFFFAOYSA-N^Y InChI=1/C4H9NO2/c1-3(2-5)4(6)7/h3H,2,5H2,1H3,(H,6,7) Key: QCHPKSFMDHPSNR-UHFFFAOYAN
Properties
Molecular formula	C₄H₉NO₂
Molar mass	103.12 g/mol
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

3-Aminoisobutyric acid is a product formed by the catabolism of thymine.

Anabolism	R5P→IMP: R5P · PRPP · PRA · GAR · FGAR · FGAM · AIR · CAIR · SAICAR · AICAR · FAICAR IMP→AMP: Adenylosuccinate IMP→GMP: Xanthosine monophosphate

Catabolism	Hypoxanthine · Xanthine · Uric acid · 5-Hydroxyisourate

Anabolism	Carbamoyl phosphate · Carbamoyl aspartic acid · 4,5-Dihydroorotic acid · Orotic acid · Orotidine 5'-monophosphate · Uridine monophosphate

Catabolism	uracil: Dihydrouracil · 3-Ureidopropionic acid · β-Alanine thymine: Dihydrothymine · β-Ureidoisobutyric acid · 3-Aminoisobutyric acid

mt, k, c/g/r/p/y/i, f/h/s/l/o/e, a/u, n, m

k, cgrp/y/i, f/h/s/l/o/e, au, n, m, epon

m(A16/C10),i(k, c/g/r/p/y/i, f/h/s/o/e, a/u, n, m)

biochemical families: prot · nucl · carb (glpr, alco, glys) · lipd (fata/i, phld, strd, gllp, eico) · amac/i · ncbs/i · ttpy/i