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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2009-07-25 00:12:00 UTC
Update Date2021-09-14 15:44:44 UTC
HMDB IDHMDB0013033
Secondary Accession Numbers
  • HMDB13033
Metabolite Identification
Common NameOxytocin 1-8
DescriptionOxytocin 1-8 is the fraction of Oxytocin which contains only Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu amino acid peptide. Oxytocin (sold as Pitocin, Syntocinon) is a mammalian hormone that acts primarily as a neurotransmitter in the brain. Also known as alpha-hypophamine (α-hypophamine), oxytocin has the distinction of being the very first polypeptide hormone to be sequenced and synthesized biochemically by Vincent du Vigneaud et al. in 1953. Oxytocin is best known for its roles in female reproduction: 1) it is released in large amounts after distension of the cervix and vagina during labor, and 2) after stimulation of the nipples, facilitating birth and breastfeeding, respectively. Recent studies have begun to investigate oxytocin's role in various behaviors, including orgasm, social recognition, pair bonding, anxiety, trust, love, and maternal behaviors.
Structure
Data?1582753085
Synonyms
ValueSource
Cys-tyr-ile-GLN-asn-cys-pro-leuHMDB
(2R)-2-({[(2R)-1-[(4S,10S,13S,16S)-19-amino-13-[(2R)-butan-2-yl]-6,9,12,15,18-pentahydroxy-10-[2-(C-hydroxycarbonimidoyl)ethyl]-7-[(C-hydroxycarbonimidoyl)methyl]-16-[(4-hydroxyphenyl)methyl]-1,2-dithia-5,8,11,14,17-pentaazacyclononadeca-5,8,11,14,17-pentaene-4-carbonyl]pyrrolidin-2-yl](hydroxy)methylidene}amino)-4-methylpentanoateGenerator
Chemical FormulaC40H60N10O12S2
Average Molecular Weight937.094
Monoisotopic Molecular Weight936.383358814
IUPAC Name(2R)-2-{[(2R)-1-[(4S,10S,13S,16S)-19-amino-13-[(2R)-butan-2-yl]-10-[2-(C-hydroxycarbonimidoyl)ethyl]-7-[(C-hydroxycarbonimidoyl)methyl]-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacyclononadecane-4-carbonyl]pyrrolidin-2-yl]formamido}-4-methylpentanoic acid
Traditional Name(2R)-2-{[(2R)-1-[(4S,10S,13S,16S)-19-amino-13-[(2R)-butan-2-yl]-10-[2-(C-hydroxycarbonimidoyl)ethyl]-7-(C-hydroxycarbonimidoylmethyl)-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacyclononadecane-4-carbonyl]pyrrolidin-2-yl]formamido}-4-methylpentanoic acid
CAS Registry NumberNot Available
SMILES
CC[C@@H](C)[C@@H]1NC(=O)[C@H](CC2=CC=C(O)C=C2)NC(=O)C(N)SSC[C@@H](NC(=O)C(CC(O)=N)NC(=O)[C@H](CCC(O)=N)NC1=O)C(=O)N1CCC[C@@H]1C(=O)N[C@H](CC(C)C)C(O)=O
InChI Identifier
InChI=1S/C40H60N10O12S2/c1-5-20(4)31-37(58)44-23(12-13-29(41)52)33(54)45-25(17-30(42)53)34(55)48-27(39(60)50-14-6-7-28(50)36(57)47-26(40(61)62)15-19(2)3)18-63-64-32(43)38(59)46-24(35(56)49-31)16-21-8-10-22(51)11-9-21/h8-11,19-20,23-28,31-32,51H,5-7,12-18,43H2,1-4H3,(H2,41,52)(H2,42,53)(H,44,58)(H,45,54)(H,46,59)(H,47,57)(H,48,55)(H,49,56)(H,61,62)/t20-,23+,24+,25?,26-,27-,28-,31+,32?/m1/s1
InChI KeyXGKIWGGRSRCBRX-YOKTWZFESA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as oligopeptides. These are organic compounds containing a sequence of between three and ten alpha-amino acids joined by peptide bonds.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentOligopeptides
Alternative Parents
Substituents
  • Alpha-oligopeptide
  • Cyclic alpha peptide
  • Leucine or derivatives
  • Macrolactam
  • Proline or derivatives
  • N-acyl-alpha-amino acid
  • N-acyl-alpha amino acid or derivatives
  • Alpha-amino acid amide
  • Alpha-amino acid or derivatives
  • N-acylpyrrolidine
  • Pyrrolidine carboxylic acid or derivatives
  • Pyrrolidine-2-carboxamide
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Monocyclic benzene moiety
  • Fatty amide
  • Fatty acyl
  • Benzenoid
  • Pyrrolidine
  • Tertiary carboxylic acid amide
  • Primary carboxylic acid amide
  • Secondary carboxylic acid amide
  • Organic disulfide
  • Carboxamide group
  • Lactam
  • Organoheterocyclic compound
  • Azacycle
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Organooxygen compound
  • Organic oxide
  • Organic oxygen compound
  • Organopnictogen compound
  • Primary aliphatic amine
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic nitrogen 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
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.086 g/LALOGPS
logP-1.8ALOGPS
logP-8.3ChemAxon
logS-4ALOGPS
pKa (Strongest Acidic)-1.3ChemAxon
pKa (Strongest Basic)12.79ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count15ChemAxon
Hydrogen Donor Count13ChemAxon
Polar Surface Area366.62 ŲChemAxon
Rotatable Bond Count15ChemAxon
Refractivity254.35 m³·mol⁻¹ChemAxon
Polarizability93.65 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+309.08630932474
DeepCCS[M-H]-307.19130932474
DeepCCS[M-2H]-341.1330932474
DeepCCS[M+Na]+315.14830932474
AllCCS[M+H]+292.432859911
AllCCS[M+H-H2O]+292.932859911
AllCCS[M+NH4]+291.832859911
AllCCS[M+Na]+291.732859911
AllCCS[M-H]-257.832859911
AllCCS[M+Na-2H]-263.032859911
AllCCS[M+HCOO]-268.632859911

Predicted Kovats Retention Indices

Not Available
Spectra

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 10V, Positive-QTOFsplash10-0g4r-0000000129-5a7b9c593ff634eba0c92017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 20V, Positive-QTOFsplash10-00si-6410009568-06621f5d5dcd117b53dc2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 40V, Positive-QTOFsplash10-00di-9100001200-73ecbca1c2d738460d9a2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 10V, Negative-QTOFsplash10-00kr-0000000069-98183983dceca8657c202017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 20V, Negative-QTOFsplash10-0036-5420000193-0acb6b84adb8884001f62017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 40V, Negative-QTOFsplash10-000x-9400000010-a4b40fd2243d982bd7972017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 10V, Positive-QTOFsplash10-000i-0000000019-cbd2e098fa1595fcccb32021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 20V, Positive-QTOFsplash10-009i-3100001947-5e098828e68b0381b1a52021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 40V, Positive-QTOFsplash10-0h90-8400005900-440568d4bbca2c327c2d2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 10V, Negative-QTOFsplash10-000i-0000000009-da9dc4fb3d99588f0e382021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 20V, Negative-QTOFsplash10-00m3-6800000049-11763a942c95da127ad22021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Oxytocin 1-8 40V, Negative-QTOFsplash10-00dl-8400026940-3ad6720f768af08418722021-09-22Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-25Wishart 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 IDFDB029259
KNApSAcK IDNot Available
Chemspider ID35032563
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound53481590
PDB IDNot Available
ChEBI IDNot Available
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