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Record Information
Version2.0
Creation Date2012-08-03 14:57:55 -0600
Update Date2015-09-13 12:56:16 -0600
Secondary Accession Numbers
  • ECMDB21403
Identification
Name:2-Aminoisobutyric acid
Description2-Aminoisobutyric acid (or AIB) is a nonprotein amino acid that is found in certain antibiotics. It can be used as a nitrogen source by certain soil bacteria. AIB may also be produced as an end-product of pyrimidine metabolism. This compound has been identified in metabolomic experiments on E. coli.
Structure
Thumb
Synonyms:
  • 2-Amino-2-methylpropanoate
  • 2-Amino-2-methylpropanoic acid
  • 2-Aminoisobutyrate
  • 2-Methylalanine
  • A-Aminoisobutanoate
  • A-Aminoisobutanoic acid
  • A-Aminoisobutyrate
  • A-Aminoisobutyric acid
  • A-Methylalanine
  • AIB
  • Alpha-Aminoisobutanoate
  • Alpha-Aminoisobutanoic acid
  • Alpha-Aminoisobutyrate
  • Alpha-Aminoisobutyric acid
  • Alpha-Methylalanine
  • α-Aminoisobutanoate
  • α-Aminoisobutanoic acid
  • α-Aminoisobutyrate
  • α-Aminoisobutyric acid
  • α-Methylalanine
Chemical Formula:C4H9NO2
Weight:Average: 103.1198
Monoisotopic: 103.063328537
InChI Key:FUOOLUPWFVMBKG-UHFFFAOYSA-N
InChI:InChI=1S/C4H9NO2/c1-4(2,5)3(6)7/h5H2,1-2H3,(H,6,7)
CAS number:62-57-7
IUPAC Name:2-amino-2-methylpropanoic acid
Traditional IUPAC Name:α-aminoisobutyric acid
SMILES:CC(C)(N)C(O)=O
Chemical Taxonomy
Description belongs to the class of organic compounds known as alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon).
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentAlpha amino acids
Alternative Parents
Substituents
  • Alpha-amino acid
  • Amino acid
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic nitrogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Primary amine
  • Organooxygen compound
  • Organonitrogen compound
  • Organopnictogen compound
  • Primary aliphatic amine
  • Organic oxygen compound
  • Carbonyl group
  • Amine
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Physical Properties
State:Solid
Charge:0
Melting point:335 °C
Experimental Properties:
PropertyValueSource
Water Solubility:181 mg/mL at 25 oC [YALKOWSKY,SH & DANNENFELSER,RM (1992)]PhysProp
Predicted Properties
PropertyValueSource
Water Solubility337 g/LALOGPS
logP-2.5ALOGPS
logP-2.4ChemAxon
logS0.51ALOGPS
pKa (Strongest Acidic)2.58ChemAxon
pKa (Strongest Basic)9.72ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area63.32 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity25.21 m³·mol⁻¹ChemAxon
Polarizability10.33 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations:Cytoplasm
Reactions:
SMPDB Pathways:Not Available
KEGG Pathways:Not Available
EcoCyc Pathways:Not Available
Concentrations
ConcentrationStrainMediaGrowth StatusGrowth SystemTemperatureDetails
11± 0 uMBW2511348 mM Na2HPO4, 22 mM KH2PO4, 10 mM NaCl, 45 mM (NH4)2SO4, supplemented with 1 mM MgSO4, 1 mg/l thiamine·HCl, 5.6 mg/l CaCl2, 8 mg/l FeCl3, 1 mg/l MnCl2·4H2O, 1.7 mg/l ZnCl2, 0.43 mg/l CuCl2·2H2O, 0.6 mg/l CoCl2·2H2O and 0.6 mg/l Na2MoO4·2H2O. 4 g/L GlucoStationary Phase, glucose limitedBioreactor, pH controlled, O2 and CO2 controlled, dilution rate: 0.2/h37 oCPMID: 17379776
Find out more about how we convert literature concentrations.
Spectra
Spectra:
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-001i-0900000000-e469c31fdb361c68d7c1View in MoNA
GC-MSGC-MS Spectrum - GC-MS (2 TMS)splash10-001i-0900000000-a36ad39a36ae444e46aeView in MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-001i-0900000000-e469c31fdb361c68d7c1View in MoNA
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-001i-0900000000-a36ad39a36ae444e46aeView in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0a4i-9000000000-6b7bf93c06f2aeefce39View in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-00di-9600000000-a300b153080dc92a72f6View in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableView in JSpectraViewer
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableView in JSpectraViewer
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-000i-9200000000-da2827369e92adba7cd8View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-0udi-7900000000-6079ac9d44cf4a311152View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-0udi-4900000000-cf4a983a808aa8a18729View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negativesplash10-0udi-0900000000-b09f9465bfd507f59a9dView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negativesplash10-0udi-0900000000-4eeda03ca057f971ad21View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Positivesplash10-0udi-4900000000-8b7badd6f8457356fe62View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Positivesplash10-0a4i-9000000000-7e17058c19f5affb357aView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Positivesplash10-0a4i-9000000000-b986c9a42c2c739c6fd0View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Positivesplash10-0a4i-9000000000-bf285168a5a5d41ab049View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Positivesplash10-0a4l-9000000000-b7fd609f2bf6e6145d54View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-0pb9-9500000000-2f9ed721c06843a9df2bView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-0udi-0900000000-02624b93137883b214adView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-0udi-0900000000-b09f9465bfd507f59a9dView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-0udi-0900000000-4eeda03ca057f971ad21View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , negativesplash10-0udi-0900000000-02624b93137883b214adView in MoNA
LC-MS/MSLC-MS/MS Spectrum - , negativesplash10-0udi-0900000000-aac342be2df7745c885dView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-0udi-4900000000-8b7badd6f8457356fe62View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-0a4i-9000000000-23a671f383f99bc465c8View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-0a4i-9000000000-b986c9a42c2c739c6fd0View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0a4i-9200000000-4849dde814173ad8e73fView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-9000000000-5ae41491e22202d700f3View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-052f-9000000000-6dff5b04f9cf69c4d686View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0udi-0900000000-278a45a568ba95d65cabView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0udi-1900000000-82d99c3456fa9229a224View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0k9i-9200000000-a1add3dee96321589e43View in MoNA
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
2D NMR[1H,13C] 2D NMR SpectrumNot AvailableView in JSpectraViewer
References
References:
  • CRUMPLER HR, DENT CE, HARRIS H, WESTALL RG: beta-Aminoisobutyric acid (alpha-methyl-beta-alanine); a new amino-acid obtained from human urine. Nature. 1951 Feb 24;167(4243):307-8. Pubmed: 14806475
  • HARRIS H: Family studies on the urinary excretion of beta-aminoisobutyric acid. Ann Eugen. 1953 Jun;18(1):43-9. Pubmed: 13058271
  • Ishii, N., Nakahigashi, K., Baba, T., Robert, M., Soga, T., Kanai, A., Hirasawa, T., Naba, M., Hirai, K., Hoque, A., Ho, P. Y., Kakazu, Y., Sugawara, K., Igarashi, S., Harada, S., Masuda, T., Sugiyama, N., Togashi, T., Hasegawa, M., Takai, Y., Yugi, K., Arakawa, K., Iwata, N., Toya, Y., Nakayama, Y., Nishioka, T., Shimizu, K., Mori, H., Tomita, M. (2007). "Multiple high-throughput analyses monitor the response of E. coli to perturbations." Science 316:593-597. Pubmed: 17379776
  • Lucarelli C, Betto P, Ricciarello G, Grossi G: High-performance liquid chromatographic determination of L-3-(3,4-dihydroxyphenyl)-2-methylalanine (alpha-methyldopa) in human urine and plasma. J Chromatogr. 1991 Mar 22;541(1-2):285-96. Pubmed: 2037651
  • Sreekumar A, Poisson LM, Rajendiran TM, Khan AP, Cao Q, Yu J, Laxman B, Mehra R, Lonigro RJ, Li Y, Nyati MK, Ahsan A, Kalyana-Sundaram S, Han B, Cao X, Byun J, Omenn GS, Ghosh D, Pennathur S, Alexander DC, Berger A, Shuster JR, Wei JT, Varambally S, Beecher C, Chinnaiyan AM: Metabolomic profiles delineate potential role for sarcosine in prostate cancer progression. Nature. 2009 Feb 12;457(7231):910-4. Pubmed: 19212411
Synthesis Reference:Not Available
Material Safety Data Sheet (MSDS)Download (PDF)
External Links:
ResourceLink
CHEBI ID27971
HMDB IDHMDB01906
Pubchem Compound ID6119
Kegg IDC03665
ChemSpider ID5891
Wikipedia2-Aminoisobutyric acid
BioCyc IDNot Available
Ligand ExpoAIB