Record Information
Version1.0
Creation Date2016-09-30 22:48:54 UTC
Update Date2020-05-11 20:48:53 UTC
BMDB IDBMDB0001906
Secondary Accession Numbers
  • BMDB01906
Metabolite Identification
Common Name2-Aminoisobutyric acid
Description2-Aminoisobutyric acid, also known as alpha-methylalanine or alpha-aminoisobutyrate, 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). 2-Aminoisobutyric acid exists as a solid, very hydrophobic, practically insoluble (in water), and relatively neutral molecule. 2-Aminoisobutyric acid exists in all living organisms, ranging from bacteria to humans.
Structure
Thumb
Synonyms
ValueSource
2,2-DimethylglycineChEBI
2-Amino-2-methylpropanoateChEBI
2-Amino-2-methylpropionic acidChEBI
2-MethylalanineChEBI
2MAChEBI
AIBChEBI
alpha,alpha-DimethylglycineChEBI
alpha-Aminoisobutanoic acidChEBI
alpha-Aminoisobutyric acidChEBI
alpha-MethylalanineChEBI
2-Amino-2-methylpropanoic acidGenerator
2-Amino-2-methylpropionateGenerator
a,a-DimethylglycineGenerator
Α,α-dimethylglycineGenerator
a-AminoisobutanoateGenerator
a-Aminoisobutanoic acidGenerator
alpha-AminoisobutanoateGenerator
Α-aminoisobutanoateGenerator
Α-aminoisobutanoic acidGenerator
a-AminoisobutyrateGenerator
a-Aminoisobutyric acidGenerator
alpha-AminoisobutyrateGenerator
Α-aminoisobutyrateGenerator
Α-aminoisobutyric acidGenerator
a-MethylalanineGenerator
Α-methylalanineGenerator
2-AminoisobutyrateGenerator
2-Aminoisobutyric acid, 11C-labeledMeSH, HMDB
2-Aminoisobutyric acid, 14C-labeledMeSH, HMDB
2-Aminoisobutyric acidKEGG
2-Amino-isobutyrateGenerator, HMDB
Chemical FormulaC4H9NO2
Average Molecular Weight103.1198
Monoisotopic Molecular Weight103.063328537
IUPAC Name2-amino-2-methylpropanoic acid
Traditional Nameα-aminoisobutyric acid
CAS Registry Number62-57-7
SMILES
CC(C)(N)C(O)=O
InChI Identifier
InChI=1S/C4H9NO2/c1-4(2,5)3(6)7/h5H2,1-2H3,(H,6,7)
InChI KeyFUOOLUPWFVMBKG-UHFFFAOYSA-N
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
Ontology
StatusDetected but not Quantified
Origin
  • Endogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Cytoplasm
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point335 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility181 mg/mL at 25 °CNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP-2.4ALOGPS
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
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
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 Spectrum (1D, 125 MHz, H2O, experimental)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, experimental)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 400 MHz, H2O, experimental)Not AvailableView in JSpectraViewer
2D NMR[1H, 13C]-HSQC NMR Spectrum (2D, 400 MHz, H2O, experimental)Not AvailableView in JSpectraViewer
Biological Properties
Cellular Locations
  • Cytoplasm
Biospecimen Locations
  • Milk
  • Prostate Tissue
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
MilkDetected but not QuantifiedNot QuantifiedNot SpecifiedNot Specified
Normal
details
Prostate TissueExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
Abnormal Concentrations
Not Available
HMDB IDHMDB0001906
DrugBank IDDB02952
Phenol Explorer Compound IDNot Available
FooDB IDFDB022732
KNApSAcK IDNot Available
Chemspider ID5891
KEGG Compound IDC03665
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia Link2-Aminoisobutyric acid
METLIN ID37
PubChem Compound6119
PDB IDNot Available
ChEBI ID27971
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Mung D, Li L: Applying quantitative metabolomics based on chemical isotope labeling LC-MS for detecting potential milk adulterant in human milk. Anal Chim Acta. 2018 Feb 25;1001:78-85. doi: 10.1016/j.aca.2017.11.019. Epub 2017 Nov 14. [PubMed:29291809 ]