Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2013-03-04 20:24:46 UTC |
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Update Date | 2021-09-14 15:36:54 UTC |
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HMDB ID | HMDB0059792 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Opiorphin |
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Description | Opiorphin is an endogenous 5-residue opioid peptide (Gln-Arg-Phe-Ser-Arg) first isolated from human saliva. Initial research with mice shows the compound has a painkilling effect greater than that of morphine. It works by stopping the normal breakdown of enkephalins, natural pain-killing opioids in the spinal cord. Opiorphin originates from the N-terminal region of the protein PROL1 (proline rich, lacrimal 1) and inhibits three proteases: neutral ecto-endopeptidase (MME), ecto-aminopeptidase N (ANPEP) and a dipeptidyl peptidase DPP3. This protease inhibitory action extends the duration of enkephalins, which are natural pain killers that are released in response to specific potentially painful stimuli. |
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Structure | [H][C@](N)(CCC(O)=N)C(O)=N[C@@]([H])(CCCNC(N)=N)C(O)=N[C@@]([H])(CC1=CC=CC=C1)C(O)=N[C@@]([H])(CO)C(O)=N[C@@]([H])(CCCNC(N)=N)C(O)=O InChI=1S/C29H48N12O8/c30-17(10-11-22(31)43)23(44)38-18(8-4-12-36-28(32)33)24(45)40-20(14-16-6-2-1-3-7-16)25(46)41-21(15-42)26(47)39-19(27(48)49)9-5-13-37-29(34)35/h1-3,6-7,17-21,42H,4-5,8-15,30H2,(H2,31,43)(H,38,44)(H,39,47)(H,40,45)(H,41,46)(H,48,49)(H4,32,33,36)(H4,34,35,37)/t17-,18-,19-,20-,21-/m0/s1 |
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Synonyms | Value | Source |
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GLN-Arg-phe-ser-arg | HMDB | QRFSR Peptide | HMDB | Glutaminyl-arginyl-phenylalanyl-seryl-arginine | HMDB |
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Chemical Formula | C29H48N12O8 |
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Average Molecular Weight | 692.767 |
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Monoisotopic Molecular Weight | 692.371806572 |
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IUPAC Name | (2S)-2-{[(2S)-2-{[(2S)-2-{[(2S)-2-{[(2S)-2-amino-1-hydroxy-4-(C-hydroxycarbonimidoyl)butylidene]amino}-5-carbamimidamido-1-hydroxypentylidene]amino}-1-hydroxy-3-phenylpropylidene]amino}-1,3-dihydroxypropylidene]amino}-5-carbamimidamidopentanoic acid |
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Traditional Name | (2S)-2-{[(2S)-2-{[(2S)-2-{[(2S)-2-{[(2S)-2-amino-1-hydroxy-4-(C-hydroxycarbonimidoyl)butylidene]amino}-5-carbamimidamido-1-hydroxypentylidene]amino}-1-hydroxy-3-phenylpropylidene]amino}-1,3-dihydroxypropylidene]amino}-5-carbamimidamidopentanoic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@](N)(CCC(O)=N)C(O)=N[C@@]([H])(CCCNC(N)=N)C(O)=N[C@@]([H])(CC1=CC=CC=C1)C(O)=N[C@@]([H])(CO)C(O)=N[C@@]([H])(CCCNC(N)=N)C(O)=O |
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InChI Identifier | InChI=1S/C29H48N12O8/c30-17(10-11-22(31)43)23(44)38-18(8-4-12-36-28(32)33)24(45)40-20(14-16-6-2-1-3-7-16)25(46)41-21(15-42)26(47)39-19(27(48)49)9-5-13-37-29(34)35/h1-3,6-7,17-21,42H,4-5,8-15,30H2,(H2,31,43)(H,38,44)(H,39,47)(H,40,45)(H,41,46)(H,48,49)(H4,32,33,36)(H4,34,35,37)/t17-,18-,19-,20-,21-/m0/s1 |
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InChI Key | TWWFCOBVAKAKIT-SXYSDOLCSA-N |
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Chemical Taxonomy |
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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. |
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Kingdom | Organic compounds |
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Super Class | Organic acids and derivatives |
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Class | Carboxylic acids and derivatives |
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Sub Class | Amino acids, peptides, and analogues |
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Direct Parent | Oligopeptides |
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Alternative Parents | |
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Substituents | - Alpha-oligopeptide
- Phenylalanine or derivatives
- Glutamine or derivatives
- N-acyl-l-alpha-amino acid
- N-acyl-alpha-amino acid
- N-acyl-alpha amino acid or derivatives
- Alpha-amino acid amide
- Serine or derivatives
- N-substituted-alpha-amino acid
- Alpha-amino acid or derivatives
- Amphetamine or derivatives
- Monocyclic benzene moiety
- Fatty amide
- Fatty acyl
- N-acyl-amine
- Benzenoid
- Amino acid or derivatives
- Amino acid
- Carboxamide group
- Guanidine
- Primary carboxylic acid amide
- Secondary carboxylic acid amide
- Carboximidamide
- Propargyl-type 1,3-dipolar organic compound
- Organic 1,3-dipolar compound
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Alcohol
- Organopnictogen compound
- Hydrocarbon derivative
- Primary aliphatic amine
- Organic oxygen compound
- Carbonyl group
- Organic nitrogen compound
- Organic oxide
- Organonitrogen compound
- Organooxygen compound
- Primary alcohol
- Primary amine
- Amine
- Aromatic homomonocyclic compound
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Molecular Framework | Aromatic homomonocyclic compounds |
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External Descriptors | Not Available |
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Ontology |
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Physiological effect | Not Available |
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Disposition | Not Available |
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Process | Not Available |
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Role | Not Available |
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Physical Properties |
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State | Not Available |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatized |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (Non-derivatized) - 70eV, Positive | splash10-0f6x-9240535000-837e548c02bd3266bd2b | 2017-09-20 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_4) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_5) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_6) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_7) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_8) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_9) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_10) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_11) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_12) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_13) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_14) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_1_15) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_2_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_2_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_2_4) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_2_5) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_2_6) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_2_7) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_2_8) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Opiorphin GC-MS (TMS_2_9) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 10V, Positive-QTOF | splash10-0729-1520219000-ae63d44cc1d9e984abb4 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 20V, Positive-QTOF | splash10-0nt9-4950212000-2fae7176985aec3dbfad | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 40V, Positive-QTOF | splash10-114i-6920000000-3de2c9545a91010bb1a8 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 10V, Negative-QTOF | splash10-05u7-0000009000-8803c4f7c24df02272f6 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 20V, Negative-QTOF | splash10-0a59-3100009000-1970d4b1ed57fb79997b | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 40V, Negative-QTOF | splash10-052f-9310101000-661b0929abbcf656ed4c | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 10V, Negative-QTOF | splash10-0006-0000009000-c01f25ad5b9e25ebf081 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 20V, Negative-QTOF | splash10-00dl-2200069000-576b7aaa12ddce82feaa | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 40V, Negative-QTOF | splash10-009f-8289300000-a03b7ee7facef173ee32 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 10V, Positive-QTOF | splash10-0006-0000009000-b52aa8be01313f3baf9a | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 20V, Positive-QTOF | splash10-004i-1200009000-aacfc34201b4b1e2c0cb | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Opiorphin 40V, Positive-QTOF | splash10-0zfr-9800010000-36db38438cc4310e6661 | 2021-09-24 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum |
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