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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-06 21:03:23 UTC
Update Date2021-09-14 15:45:17 UTC
HMDB IDHMDB0029019
Secondary Accession Numbers
  • HMDB29019
Metabolite Identification
Common NameProlyl-Histidine
DescriptionProlyl-Histidine is a dipeptide composed of proline and histidine. It is an incomplete breakdown product of protein digestion or protein catabolism. Some dipeptides are known to have physiological or cell-signaling effects although most are simply short-lived intermediates on their way to specific amino acid degradation pathways following further proteolysis. This dipeptide has not yet been identified in human tissues or biofluids and so it is classified as an 'Expected' metabolite.
Structure
Data?1582753366
Synonyms
ValueSource
L-Prolyl-L-histidineHMDB
p-H DipeptideHMDB
PH DipeptideHMDB
Pro-hisHMDB
Proline histidine dipeptideHMDB
Proline-histidine dipeptideHMDB
ProlylhistidineHMDB
2-{[hydroxy(pyrrolidin-2-yl)methylidene]amino}-3-(1H-imidazol-5-yl)propanoateHMDB
Chemical FormulaC11H16N4O3
Average Molecular Weight252.2697
Monoisotopic Molecular Weight252.122240398
IUPAC Name2-{[hydroxy(pyrrolidin-2-yl)methylidene]amino}-3-(1H-imidazol-5-yl)propanoic acid
Traditional Name2-{[hydroxy(pyrrolidin-2-yl)methylidene]amino}-3-(3H-imidazol-4-yl)propanoic acid
CAS Registry NumberNot Available
SMILES
OC(=O)C(CC1=CN=CN1)N=C(O)C1CCCN1
InChI Identifier
InChI=1S/C11H16N4O3/c16-10(8-2-1-3-13-8)15-9(11(17)18)4-7-5-12-6-14-7/h5-6,8-9,13H,1-4H2,(H,12,14)(H,15,16)(H,17,18)
InChI KeyBEPSGCXDIVACBU-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentDipeptides
Alternative Parents
Substituents
  • Alpha-dipeptide
  • Histidine or derivatives
  • N-acyl-alpha amino acid or derivatives
  • Proline or derivatives
  • N-acyl-alpha-amino acid
  • Alpha-amino acid amide
  • Alpha-amino acid or derivatives
  • Pyrrolidine carboxylic acid or derivatives
  • Pyrrolidine-2-carboxamide
  • Imidazolyl carboxylic acid derivative
  • Azole
  • Pyrrolidine
  • Heteroaromatic compound
  • Imidazole
  • Carboxamide group
  • Secondary carboxylic acid amide
  • Amino acid
  • Amino acid or derivatives
  • Carboxylic acid
  • Secondary aliphatic amine
  • Azacycle
  • Organoheterocyclic compound
  • Monocarboxylic acid or derivatives
  • Secondary amine
  • Organic oxygen compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Carbonyl group
  • Amine
  • Organopnictogen compound
  • Organic oxide
  • Organooxygen compound
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
Not AvailableNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogP-3.64Extrapolated
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility1.96 g/LALOGPS
logP-1.3ALOGPS
logP-4.7ChemAxon
logS-2.4ALOGPS
pKa (Strongest Acidic)2.96ChemAxon
pKa (Strongest Basic)9.75ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area110.6 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity63.45 m³·mol⁻¹ChemAxon
Polarizability24.92 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+159.53331661259
DarkChem[M-H]-156.63731661259
DeepCCS[M+H]+150.90830932474
DeepCCS[M-H]-148.51330932474
DeepCCS[M-2H]-181.62630932474
DeepCCS[M+Na]+156.85430932474
AllCCS[M+H]+158.032859911
AllCCS[M+H-H2O]+154.332859911
AllCCS[M+NH4]+161.532859911
AllCCS[M+Na]+162.532859911
AllCCS[M-H]-157.932859911
AllCCS[M+Na-2H]-157.832859911
AllCCS[M+HCOO]-157.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Prolyl-HistidineOC(=O)C(CC1=CN=CN1)N=C(O)C1CCCN13070.6Standard polar33892256
Prolyl-HistidineOC(=O)C(CC1=CN=CN1)N=C(O)C1CCCN12282.0Standard non polar33892256
Prolyl-HistidineOC(=O)C(CC1=CN=CN1)N=C(O)C1CCCN12660.1Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Prolyl-Histidine,1TMS,isomer #1C[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O)C1CCCN12494.8Semi standard non polar33892256
Prolyl-Histidine,1TMS,isomer #2C[Si](C)(C)OC(=NC(CC1=CN=C[NH]1)C(=O)O)C1CCCN12487.6Semi standard non polar33892256
Prolyl-Histidine,1TMS,isomer #3C[Si](C)(C)N1C=NC=C1CC(N=C(O)C1CCCN1)C(=O)O2617.0Semi standard non polar33892256
Prolyl-Histidine,1TMS,isomer #4C[Si](C)(C)N1CCCC1C(O)=NC(CC1=CN=C[NH]1)C(=O)O2494.9Semi standard non polar33892256
Prolyl-Histidine,2TMS,isomer #1C[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O[Si](C)(C)C)C1CCCN12465.4Semi standard non polar33892256
Prolyl-Histidine,2TMS,isomer #2C[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C)N=C(O)C1CCCN12567.9Semi standard non polar33892256
Prolyl-Histidine,2TMS,isomer #3C[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O)C1CCCN1[Si](C)(C)C2507.4Semi standard non polar33892256
Prolyl-Histidine,2TMS,isomer #4C[Si](C)(C)OC(=NC(CC1=CN=CN1[Si](C)(C)C)C(=O)O)C1CCCN12535.1Semi standard non polar33892256
Prolyl-Histidine,2TMS,isomer #5C[Si](C)(C)OC(=NC(CC1=CN=C[NH]1)C(=O)O)C1CCCN1[Si](C)(C)C2500.6Semi standard non polar33892256
Prolyl-Histidine,2TMS,isomer #6C[Si](C)(C)N1CCCC1C(O)=NC(CC1=CN=CN1[Si](C)(C)C)C(=O)O2596.5Semi standard non polar33892256
Prolyl-Histidine,3TMS,isomer #1C[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C)N=C(O[Si](C)(C)C)C1CCCN12542.4Semi standard non polar33892256
Prolyl-Histidine,3TMS,isomer #1C[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C)N=C(O[Si](C)(C)C)C1CCCN12358.2Standard non polar33892256
Prolyl-Histidine,3TMS,isomer #2C[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O[Si](C)(C)C)C1CCCN1[Si](C)(C)C2496.9Semi standard non polar33892256
Prolyl-Histidine,3TMS,isomer #2C[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O[Si](C)(C)C)C1CCCN1[Si](C)(C)C2357.2Standard non polar33892256
Prolyl-Histidine,3TMS,isomer #3C[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C)N=C(O)C1CCCN1[Si](C)(C)C2595.4Semi standard non polar33892256
Prolyl-Histidine,3TMS,isomer #3C[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C)N=C(O)C1CCCN1[Si](C)(C)C2441.6Standard non polar33892256
Prolyl-Histidine,3TMS,isomer #4C[Si](C)(C)OC(=NC(CC1=CN=CN1[Si](C)(C)C)C(=O)O)C1CCCN1[Si](C)(C)C2596.7Semi standard non polar33892256
Prolyl-Histidine,3TMS,isomer #4C[Si](C)(C)OC(=NC(CC1=CN=CN1[Si](C)(C)C)C(=O)O)C1CCCN1[Si](C)(C)C2433.2Standard non polar33892256
Prolyl-Histidine,4TMS,isomer #1C[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C)N=C(O[Si](C)(C)C)C1CCCN1[Si](C)(C)C2582.7Semi standard non polar33892256
Prolyl-Histidine,4TMS,isomer #1C[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C)N=C(O[Si](C)(C)C)C1CCCN1[Si](C)(C)C2447.0Standard non polar33892256
Prolyl-Histidine,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O)C1CCCN12731.3Semi standard non polar33892256
Prolyl-Histidine,1TBDMS,isomer #2CC(C)(C)[Si](C)(C)OC(=NC(CC1=CN=C[NH]1)C(=O)O)C1CCCN12733.0Semi standard non polar33892256
Prolyl-Histidine,1TBDMS,isomer #3CC(C)(C)[Si](C)(C)N1C=NC=C1CC(N=C(O)C1CCCN1)C(=O)O2859.6Semi standard non polar33892256
Prolyl-Histidine,1TBDMS,isomer #4CC(C)(C)[Si](C)(C)N1CCCC1C(O)=NC(CC1=CN=C[NH]1)C(=O)O2721.4Semi standard non polar33892256
Prolyl-Histidine,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O[Si](C)(C)C(C)(C)C)C1CCCN12920.7Semi standard non polar33892256
Prolyl-Histidine,2TBDMS,isomer #2CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C(C)(C)C)N=C(O)C1CCCN13024.7Semi standard non polar33892256
Prolyl-Histidine,2TBDMS,isomer #3CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O)C1CCCN1[Si](C)(C)C(C)(C)C2939.6Semi standard non polar33892256
Prolyl-Histidine,2TBDMS,isomer #4CC(C)(C)[Si](C)(C)OC(=NC(CC1=CN=CN1[Si](C)(C)C(C)(C)C)C(=O)O)C1CCCN13023.8Semi standard non polar33892256
Prolyl-Histidine,2TBDMS,isomer #5CC(C)(C)[Si](C)(C)OC(=NC(CC1=CN=C[NH]1)C(=O)O)C1CCCN1[Si](C)(C)C(C)(C)C2934.5Semi standard non polar33892256
Prolyl-Histidine,2TBDMS,isomer #6CC(C)(C)[Si](C)(C)N1CCCC1C(O)=NC(CC1=CN=CN1[Si](C)(C)C(C)(C)C)C(=O)O3045.9Semi standard non polar33892256
Prolyl-Histidine,3TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C(C)(C)C)N=C(O[Si](C)(C)C(C)(C)C)C1CCCN13217.3Semi standard non polar33892256
Prolyl-Histidine,3TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C(C)(C)C)N=C(O[Si](C)(C)C(C)(C)C)C1CCCN12903.3Standard non polar33892256
Prolyl-Histidine,3TBDMS,isomer #2CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O[Si](C)(C)C(C)(C)C)C1CCCN1[Si](C)(C)C(C)(C)C3134.8Semi standard non polar33892256
Prolyl-Histidine,3TBDMS,isomer #2CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=C[NH]1)N=C(O[Si](C)(C)C(C)(C)C)C1CCCN1[Si](C)(C)C(C)(C)C2871.7Standard non polar33892256
Prolyl-Histidine,3TBDMS,isomer #3CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C(C)(C)C)N=C(O)C1CCCN1[Si](C)(C)C(C)(C)C3247.3Semi standard non polar33892256
Prolyl-Histidine,3TBDMS,isomer #3CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C(C)(C)C)N=C(O)C1CCCN1[Si](C)(C)C(C)(C)C3032.3Standard non polar33892256
Prolyl-Histidine,3TBDMS,isomer #4CC(C)(C)[Si](C)(C)OC(=NC(CC1=CN=CN1[Si](C)(C)C(C)(C)C)C(=O)O)C1CCCN1[Si](C)(C)C(C)(C)C3265.0Semi standard non polar33892256
Prolyl-Histidine,3TBDMS,isomer #4CC(C)(C)[Si](C)(C)OC(=NC(CC1=CN=CN1[Si](C)(C)C(C)(C)C)C(=O)O)C1CCCN1[Si](C)(C)C(C)(C)C2943.1Standard non polar33892256
Prolyl-Histidine,4TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C(C)(C)C)N=C(O[Si](C)(C)C(C)(C)C)C1CCCN1[Si](C)(C)C(C)(C)C3429.9Semi standard non polar33892256
Prolyl-Histidine,4TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)C(CC1=CN=CN1[Si](C)(C)C(C)(C)C)N=C(O[Si](C)(C)C(C)(C)C)C1CCCN1[Si](C)(C)C(C)(C)C3117.7Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Prolyl-Histidine GC-MS (Non-derivatized) - 70eV, Positivesplash10-00di-9110000000-86ec5a4a94f57c695e132017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Prolyl-Histidine GC-MS (1 TMS) - 70eV, Positivesplash10-00di-9100000000-dc7defdedd4c1991a9222017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Prolyl-Histidine GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 10V, Positive-QTOFsplash10-0zmr-4190000000-19d85d0311c887cd754d2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 20V, Positive-QTOFsplash10-00di-9310000000-45a70627a897cf443fb42017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 40V, Positive-QTOFsplash10-00di-9000000000-f4977c8a93a1c0cd21702017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 10V, Negative-QTOFsplash10-0udi-0190000000-d4cbf1299f86032979eb2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 20V, Negative-QTOFsplash10-0w29-4980000000-5af4849f1550c86296812017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 40V, Negative-QTOFsplash10-006x-9300000000-936f042ad72f6de13a822017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 10V, Positive-QTOFsplash10-0udi-0090000000-78a372ead3abfa25fc0e2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 20V, Positive-QTOFsplash10-0kmr-6970000000-bbcd34d5460f23e41b152021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 40V, Positive-QTOFsplash10-00dj-9200000000-918e17ba74a817a21d442021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 10V, Negative-QTOFsplash10-0udi-0090000000-0ccdbd2dcfb5ba0029c52021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 20V, Negative-QTOFsplash10-0udi-7950000000-64b9ada2de6b103d30d62021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Prolyl-Histidine 40V, Negative-QTOFsplash10-0673-9600000000-802eb90ae91a5f0285fe2021-09-24Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB098223
KNApSAcK IDNot Available
Chemspider ID16568364
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound18218235
PDB IDNot Available
ChEBI ID174331
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available