| Record Information |
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| Version | 2.0 |
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| Created at | 2006-08-12 19:18:46 UTC |
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| Updated at | 2025-02-11 15:48:47 UTC |
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| NP-MRD ID | NP0001460 |
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| Natural Product DOI | https://doi.org/10.57994/2871 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | N-Acetylornithine |
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| Description | N2-Acetylornithine, also known as N(alpha)-acetylornithine, belongs to the class of organic compounds known as N-acyl-L-alpha-amino acids. These are N-acylated alpha-amino acids which have the L-configuration of the alpha-carbon atom. N-Acetylornithine is a minor component of the deproteinized blood plasma of human blood. Human blood plasma contains a variable amount of acetylornithine, averaging 1.1 +/- 0.4 Umol/L (range 0.8-0.2 Umol/L). Urine contains a very small amount of acetylornithine, approximately 1 nmol/mg creatinine (1 umol/day) (PMID: 508804 ). |
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| Structure | CC(=O)N[C@@H](CCCN)C(O)=O InChI=1S/C7H14N2O3/c1-5(10)9-6(7(11)12)3-2-4-8/h6H,2-4,8H2,1H3,(H,9,10)(H,11,12)/t6-/m0/s1 |
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| Synonyms | | Value | Source |
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| N-Acetylornithine | ChEBI | | N2-Acetyl-L-ornithine | ChEBI | | (2S)-2-Acetamido-5-aminopentanoate | HMDB | | (2S)-2-Acetamido-5-aminopentanoic acid | HMDB | | Acetyl-ornithine | HMDB | | AOR | HMDB | | N(2)-Acetyl-L-ornithine | HMDB | | (2S)-5-Amino-2-acetamidopentanoic acid | HMDB | | N(alpha)-Acetyl-L-ornithine | HMDB | | N(alpha)-Acetylornithine | HMDB | | N(Α)-acetyl-L-ornithine | HMDB | | N(Α)-acetylornithine | HMDB | | N-Acetyl-L-ornithine | HMDB | | Nalpha-acetyl-L-ornithine | HMDB | | Nalpha-acetylornithine | HMDB | | Nα-acetyl-L-ornithine | HMDB | | Nα-acetylornithine | HMDB | | N-alpha-Acetylornithine | HMDB | | N-Α-acetylornithine | HMDB | | N2-Acetylornithine | HMDB |
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| Chemical Formula | C7H14N2O3 |
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| Average Mass | 174.1977 Da |
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| Monoisotopic Mass | 174.10044 Da |
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| IUPAC Name | (2S)-5-amino-2-acetamidopentanoic acid |
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| Traditional Name | N(2)-acetyl-L-ornithine |
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| CAS Registry Number | 6205-08-9 |
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| SMILES | CC(=O)N[C@@H](CCCN)C(O)=O |
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| InChI Identifier | InChI=1S/C7H14N2O3/c1-5(10)9-6(7(11)12)3-2-4-8/h6H,2-4,8H2,1H3,(H,9,10)(H,11,12)/t6-/m0/s1 |
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| InChI Key | JRLGPAXAGHMNOL-LURJTMIESA-N |
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| Experimental Spectra |
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| | Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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| HSQC NMR | [1H, 13C] NMR Spectrum (2D, 600 MHz, D2O, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-18 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-18 | View Spectrum | | HMBC NMR | [1H, 13C] NMR Spectrum (2D, 600 MHz, D2O, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-18 | View Spectrum | | COSY NMR | [1H, 1H] NMR Spectrum (2D, 600 MHz, D2O, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-18 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, D2O, experimental) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-18 | View Spectrum |
| | Predicted Spectra |
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| | Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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| 1D NMR | 13C NMR Spectrum (1D, 25 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| | Chemical Shift Submissions |
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| | Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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| 1D NMR | 1H NMR Spectrum (1D, 600, D2O, simulated) | bgnzk@missouri.edu | Sumner Lab, MU Metabolomics Center, University of Missouri, Columbia. MO, USA | Dr. Bharat Goel | 2024-06-18 | View Spectrum |
| | Species |
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| Species of Origin | |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as n-acyl-l-alpha-amino acids. These are n-acylated alpha amino acids which have the L-configuration of the alpha-carbon atom. |
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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 | N-acyl-L-alpha-amino acids |
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| Alternative Parents | |
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| Substituents | - N-acyl-l-alpha-amino acid
- Fatty acid
- Acetamide
- Carboxamide group
- Secondary carboxylic acid amide
- Amino acid
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Organopnictogen compound
- Organic oxygen compound
- Organic nitrogen compound
- Amine
- Primary amine
- Organooxygen compound
- Organonitrogen compound
- Primary aliphatic amine
- Hydrocarbon derivative
- Carbonyl group
- Organic oxide
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Physical Properties |
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| State | Solid |
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| Experimental 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 | -0.896 | Not Available |
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| Predicted Properties | |
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