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Record Information
Version1.0
Creation Date2016-09-30 22:20:22 UTC
Update Date2020-06-04 22:35:59 UTC
MCDB ID BMDB0000162
Secondary Accession Numbers
  • BMDB00162
Metabolite Identification
Common NameL-Proline
DescriptionL-Proline, also known as L-prolin, belongs to the class of organic compounds known as proline and derivatives. Proline and derivatives are compounds containing proline or a derivative thereof resulting from reaction of proline at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom. L-Proline exists as a solid, possibly soluble (in water), and a very strong basic compound (based on its pKa) molecule. L-Proline exists in all living species, ranging from bacteria to humans. L-Proline is a potentially toxic compound. L-Proline has been found to be associated with several diseases known as rheumatoid arthritis, perillyl alcohol administration for cancer treatment, colorectal cancer, and pregnancy; also l-proline has been linked to the inborn metabolic disorders including iminoglycinuria.
Structure
Thumb
Synonyms
ValueSource
(-)-(S)-ProlineChEBI
(-)-2-Pyrrolidinecarboxylic acidChEBI
(-)-ProlineChEBI
(2S)-Pyrrolidine-2-carboxylic acidChEBI
(S)-2-CarboxypyrrolidineChEBI
(S)-2-Pyrrolidinecarboxylic acidChEBI
(S)-Pyrrolidine-2-carboxylic acidChEBI
2-Pyrrolidinecarboxylic acidChEBI
L-(-)-ProlineChEBI
L-alpha-Pyrrolidinecarboxylic acidChEBI
L-ProlinChEBI
L-Pyrrolidine-2-carboxylic acidChEBI
PChEBI
ProlinaChEBI
PROLINEChEBI
ProlinumChEBI
(-)-2-PyrrolidinecarboxylateGenerator
(2S)-Pyrrolidine-2-carboxylateGenerator
(S)-2-PyrrolidinecarboxylateGenerator
(S)-Pyrrolidine-2-carboxylateGenerator
2-PyrrolidinecarboxylateGenerator
L-a-PyrrolidinecarboxylateGenerator
L-a-Pyrrolidinecarboxylic acidGenerator
L-alpha-PyrrolidinecarboxylateGenerator
L-Α-pyrrolidinecarboxylateGenerator
L-Α-pyrrolidinecarboxylic acidGenerator
L-Pyrrolidine-2-carboxylateGenerator
(S)-(-)-ProlineHMDB
(S)-(-)-Pyrrolidine-2-carboxylateHMDB
(S)-(-)-Pyrrolidine-2-carboxylic acidHMDB
(S)-2-PyrralidinecarboxylateHMDB
(S)-2-Pyrralidinecarboxylic acidHMDB
(S)-ProlineHMDB
L ProlineHMDB
Chemical FormulaC5H9NO2
Average Molecular Weight115.1305
Monoisotopic Molecular Weight115.063328537
IUPAC Name(2S)-pyrrolidine-2-carboxylic acid
Traditional NameL-proline
CAS Registry Number147-85-3
SMILES
OC(=O)[C@@H]1CCCN1
InChI Identifier
InChI=1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m0/s1
InChI KeyONIBWKKTOPOVIA-BYPYZUCNSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as proline and derivatives. Proline and derivatives are compounds containing proline or a derivative thereof resulting from reaction of proline at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentProline and derivatives
Alternative Parents
Substituents
  • Proline or derivatives
  • Alpha-amino acid
  • L-alpha-amino acid
  • Pyrrolidine carboxylic acid
  • Pyrrolidine carboxylic acid or derivatives
  • Pyrrolidine
  • Amino acid
  • Carboxylic acid
  • Secondary aliphatic amine
  • Monocarboxylic acid or derivatives
  • Secondary amine
  • Organoheterocyclic compound
  • Azacycle
  • Organic oxygen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Amine
  • Organopnictogen compound
  • Organic oxide
  • Carbonyl group
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point221 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility162 mg/mLNot Available
LogP-2.54HANSCH,C ET AL. (1995)
Predicted Properties
PropertyValueSource
logP-2.7ALOGPS
logP-2.6ChemAxon
logS0.5ALOGPS
pKa (Strongest Acidic)1.94ChemAxon
pKa (Strongest Basic)11.33ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area49.33 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity28.06 m³·mol⁻¹ChemAxon
Polarizability11.5 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectrum TypeDescriptionSplash KeyDeposition DateView
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS)splash10-0006-0910000000-a9127c0e370afb80259b2014-06-16View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS)splash10-000f-0910000000-3195f21e625520d513162014-06-16View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-0006-0900000000-119af746c347969e8ae72014-06-16View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS)splash10-006x-8900000000-b31beabb1ed6235e71452014-06-16View Spectrum
GC-MSGC-MS Spectrum - GC-MS (1 TMS)splash10-00di-9100000000-c1c67bc521741ee891cb2014-06-16View Spectrum
GC-MSGC-MS Spectrum - GC-MS (2 TMS)splash10-0006-1900000000-84e6fb318323fd0261b12014-06-16View Spectrum
GC-MSGC-MS Spectrum - GC-MS (1 TMS)splash10-00xs-8910000000-74b0c34ca5fd7c85f1d92014-06-16View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-00fu-9000000000-716c3d01b301162863b62017-09-12View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0006-0900000000-0d7354201ed866c87b132017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0006-0910000000-a9127c0e370afb80259b2017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-000f-0910000000-3195f21e625520d513162017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0006-0900000000-119af746c347969e8ae72017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-EI-QQ (Non-derivatized)splash10-001i-1920000000-09006ee4e7a137d8a45a2017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-006x-8900000000-b31beabb1ed6235e71452017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-0006-1900000000-84e6fb318323fd0261b12017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-00xs-8910000000-74b0c34ca5fd7c85f1d92017-09-12View Spectrum
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-00di-9100000000-c1c67bc521741ee891cb2017-09-12View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-00fu-9000000000-d203e3dfb0701403a75b2016-09-22View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-00di-9000000000-56471980a375d26046ca2017-10-06View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-05View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-05View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-05View Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-00xr-9600000000-ba51a901e786b1a4663e2012-07-24View Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-00di-9000000000-f72e2f3812225708fc562012-07-24View Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-00di-9000000000-59887da6580f63bcc1c52012-07-24View Spectrum
LC-MS/MSLC-MS/MS Spectrum - EI-B (HITACHI M-80) , Positivesplash10-00fu-9000000000-c69dcaf7cb2d1e9d285e2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-014i-0930000000-984f9a23ebfe28f950172012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-014i-9000000000-f75575cac28a54aa923d2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-00di-9000000000-221cfb8c82f3df76eb512012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-014i-0900000000-e5741fd9870218d57caf2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-014i-0900000000-6bc9b4e775be37fa18d92012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-014i-9000000000-a8eb419b26655a6a1dab2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-00di-9000000000-873ee03b61d1ffcae70f2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positivesplash10-014i-0900000000-61d583960651669fb9e62012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negativesplash10-03di-0900000000-2c23774af5f6a0c217d52012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negativesplash10-03di-0900000000-d89c1e626ef24a79c89f2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negativesplash10-03di-1900000000-fc27094f2eb75e65b4382012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Positivesplash10-014i-1900000000-3221c23504b8847abf8d2012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Positivesplash10-00di-9100000000-8169367f5127c57fae122012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Positivesplash10-00di-9000000000-f704eb8402fcacfccd182012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Positivesplash10-00di-9000000000-ccd74eea36efab2cbab82012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Positivesplash10-00di-9000000000-9f214692cd39a65818132012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - CE-ESI-TOF (CE-system connected to 6210 Time-of-Flight MS, Agilent) , Positivesplash10-014i-0900000000-ef038c77922e4c89eeb02012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-00di-9400000000-4073ea1df57a60b36d692012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) 30V, Positivesplash10-00di-9000000000-495fdbd2f565bd7946322012-08-31View Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-03di-0900000000-e1d0a4b20419dc7bae922012-08-31View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014i-6900000000-eba8ceb2a71d2726acd02016-09-12View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, experimental)Not Available2012-12-04View Spectrum
1D NMR13C NMR Spectrum (1D, 125 MHz, H2O, experimental)Not Available2012-12-04View Spectrum
1D NMR1H NMR Spectrum (1D, D2O, experimental)Not Available2016-10-22View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 400 MHz, H2O, experimental)Not Available2021-10-10View Spectrum
2D NMR[1H, 1H]-TOCSY. Unexported temporarily by An Chi on Oct 15, 2021 until json or nmrML file is generated. 2D NMR Spectrum (experimental)Not Available2012-12-04View Spectrum
2D NMR[1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental)Not Available2012-12-05View Spectrum
Concentrations
StatusValueReferenceDetails
Detected and Quantified11 - 47 uM details
Detected but not QuantifiedNot Applicable details
Detected and Quantified29531 uM details
Detected and Quantified29531 uM details
Detected and Quantified29531 uM details
Detected and Quantified29531 uM details
Detected and Quantified28663 uM details
Detected and Quantified28663 uM details
Detected and Quantified28663 uM details
Detected but not QuantifiedNot Applicable
  • Kurt J. Boudonck,...
details
Detected and Quantified25 +/- 1 uM details
Detected and Quantified30 +/- 1 uM details
Detected and Quantified27 +/- 3 uM details
Detected and Quantified27 +/- 5 uM details
Detected and Quantified27 +/- 2 uM details
Detected and Quantified30 +/- 2 uM details
Detected and Quantified29 +/- 2 uM details
Detected and Quantified30 +/- 1 uM details
Detected and Quantified56 +/- 13 uM details
Detected and Quantified61 +/- 15 uM details
Detected and Quantified82 +/- 30 uM details
Detected and Quantified19 +/- 6 uM details
Detected and Quantified29 +/- 10 uM details
HMDB IDHMDB0000162
DrugBank IDDB00172
Phenol Explorer Compound IDNot Available
FoodDB IDFDB000570
KNApSAcK IDC00001388
Chemspider ID128566
KEGG Compound IDC00148
BioCyc IDPRO
BiGG ID34042
Wikipedia LinkL-proline
METLIN ID29
PubChem Compound145742
PDB IDNot Available
ChEBI ID17203
References
Synthesis ReferenceItoh, Tamio. Synthesis of L-proline from L-glutamine. Bulletin of the Chemical Society of Japan (1963), 36(1), 25-9
Material Safety Data Sheet (MSDS)Download (PDF)
General References
  1. Klein MS, Almstetter MF, Schlamberger G, Nurnberger N, Dettmer K, Oefner PJ, Meyer HH, Wiedemann S, Gronwald W: Nuclear magnetic resonance and mass spectrometry-based milk metabolomics in dairy cows during early and late lactation. J Dairy Sci. 2010 Apr;93(4):1539-50. doi: 10.3168/jds.2009-2563. [PubMed:20338431 ]
  2. Scano P, Murgia A, Pirisi FM, Caboni P: A gas chromatography-mass spectrometry-based metabolomic approach for the characterization of goat milk compared with cow milk. J Dairy Sci. 2014 Oct;97(10):6057-66. doi: 10.3168/jds.2014-8247. Epub 2014 Aug 6. [PubMed:25108860 ]
  3. Mung D, Li L: Development of Chemical Isotope Labeling LC-MS for Milk Metabolomics: Comprehensive and Quantitative Profiling of the Amine/Phenol Submetabolome. Anal Chem. 2017 Apr 18;89(8):4435-4443. doi: 10.1021/acs.analchem.6b03737. Epub 2017 Mar 28. [PubMed:28306241 ]
  4. O'Callaghan TF, Vazquez-Fresno R, Serra-Cayuela A, Dong E, Mandal R, Hennessy D, McAuliffe S, Dillon P, Wishart DS, Stanton C, Ross RP: Pasture Feeding Changes the Bovine Rumen and Milk Metabolome. Metabolites. 2018 Apr 6;8(2). pii: metabo8020027. doi: 10.3390/metabo8020027. [PubMed:29642378 ]
  5. Klein MS, Almstetter MF, Nurnberger N, Sigl G, Gronwald W, Wiedemann S, Dettmer K, Oefner PJ: Correlations between milk and plasma levels of amino and carboxylic acids in dairy cows. J Proteome Res. 2013 Nov 1;12(11):5223-32. doi: 10.1021/pr4006537. Epub 2013 Aug 23. [PubMed:23931703 ]
  6. Kurt J. Boudonck, Matthew W. Mitchell, Jacob Wulff and John A. Ryals (2009). Kurt J. Boudonck, Matthew W. Mitchell, Jacob Wulff and John A. Ryals. Characterization of the biochemical variability of bovine milk using metabolomics. Metabolomics (2009) 5:375?386. Metabolomics.
  7. A. Foroutan et al. (2019). A. Foroutan et al. The Chemical Composition of Commercial Cow's Milk (in preparation). Journal of Agricultural and Food Chemistry.
  8. Fooddata+, The Technical University of Denmark (DTU) [Link]