Record Information |
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Version | 2.0 |
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Created at | 2005-11-16 15:48:42 UTC |
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Updated at | 2024-09-03 04:22:25 UTC |
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NP-MRD ID | NP0000289 |
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Natural Product DOI | https://doi.org/10.57994/2857 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | 4,5-Dihydroorotic acid |
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Description | 4,5-Dihydroorotic acid, also known as dihydroorotate or hydroorotate is a pyrimidinemonocarboxylic acid that results from the base-catalysed cyclisation of N-alpha-carbethoxyasparagine. It is classified as a secondary amide, a monocarboxylic acid, a pyrimidinemonocarboxylic acid and a N-acylurea. 4,5-Dihydroorotic acid is a derivative of orotic acid which serves as an intermediate in pyrimidine biosynthesis. 4,5-Dihydroorotic acid exists in all living species, ranging from bacteria to plants to humans. 4,5-Dihydroorotic acid is synthesized by the enzyme known as Dihydroorotase (EC 3.5.2.3) Which converts carbamoyl aspartic acid into 4,5-dihydroorotic acid as part of the de novo pyrimidine biosynthesis pathway (PMID: 13163076 ). 4,5-Dihydroorotic acid is also a substrate for the enzyme known as dihydroorotate dehydrogenase (DHODH). In mammalian species, DHODH catalyzes the fourth step in the de novo pyrimidine biosynthesis pathway, which involves the ubiquinone-mediated oxidation of dihydroorotate to orotate and the reduction of flavin mononucleotide (FMN) to dihydroflavin mononucleotide (FMNH2). Inhibition of DHODH activity with teriflunomide (an immunomodulatory drug) or expression with RNA interference results in reduced ROS generation and consequent apoptosis of transformed skin and prostate epithelial cells. Mutations in the DHOD gene have been shown to cause Miller syndrome, also known as Genee-Wiedemann syndrome, Wildervanck-Smith syndrome or post-axial acrofacial dystosis (PMID: 19915526 ). |
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Structure | InChI=1S/C5H6N2O4/c8-3-1-2(4(9)10)6-5(11)7-3/h2H,1H2,(H,9,10)(H2,6,7,8,11) |
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Synonyms | Value | Source |
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5,6-Dihydro-orotic acid | ChEBI | DL-Dihydroortotic acid | ChEBI | Hydroorotic acid | ChEBI | 5,6-Dihydro-orotate | Generator | DL-Dihydroortotate | Generator | Hydroorotate | Generator | 4,5-Dihydroorotate | Generator | (+)-2,6-Dioxo-hexahydro-pyrimidine-4-carboxylate | HMDB | (+)-2,6-Dioxo-hexahydro-pyrimidine-4-carboxylic acid | HMDB | (R)-2,6-Dioxo-hexahydro-pyrimidine-4-carboxylate | HMDB | (R)-2,6-Dioxo-hexahydro-pyrimidine-4-carboxylic acid | HMDB | (S)-2,6-Dioxo-hexahydro-pyrimidine-4-carboxylate | HMDB | (S)-2,6-Dioxo-hexahydro-pyrimidine-4-carboxylic acid | HMDB | 2,6-Dioxo-hexahydro-pyrimidine-4-carboxylate | HMDB | 2,6-Dioxo-hexahydro-pyrimidine-4-carboxylic acid | HMDB | 5,6-Dihydroorotate | HMDB | L-Hydroorotate | HMDB | L-Hydroorotic acid | HMDB | R,S-Hydroorotate | HMDB | L-Dihydroorotate | HMDB | 4,5-Dihydroorotic acid, (L)-isomer | HMDB | Dihydroorotate | HMDB | 4,5-Dihydroorotic acid, (D)-isomer | HMDB | 4,5-Dihydroorotic acid, (DL)-isomer | HMDB |
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Chemical Formula | C5H6N2O4 |
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Average Mass | 158.1121 Da |
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Monoisotopic Mass | 158.03276 Da |
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IUPAC Name | 2,6-dioxo-1,3-diazinane-4-carboxylic acid |
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Traditional Name | dihydroorotic acid |
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CAS Registry Number | 155-54-4 |
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SMILES | OC(=O)C1CC(=O)NC(=O)N1 |
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InChI Identifier | InChI=1S/C5H6N2O4/c8-3-1-2(4(9)10)6-5(11)7-3/h2H,1H2,(H,9,10)(H2,6,7,8,11) |
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InChI Key | UFIVEPVSAGBUSI-UHFFFAOYSA-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, CD3OD, experimental) | ztmnb@umsystem.edu | Sumner lab, University of Missouri | Zach Tretter | 2024-06-18 | View Spectrum | HMBC NMR | [1H, 13C] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | ztmnb@umsystem.edu | Sumner lab, University of Missouri | Zach Tretter | 2024-06-18 | View Spectrum | COSY NMR | [1H, 1H] NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | ztmnb@umsystem.edu | Sumner lab, University of Missouri | Zach Tretter | 2024-06-18 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, CD3OD, experimental) | ztmnb@umsystem.edu | Sumner lab, University of Missouri | Zach Tretter | 2024-06-18 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, CD3OD, experimental) | ztmnb@umsystem.edu | Sumner lab, University of Missouri | Zach Tretter | 2024-06-18 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, CD3OD, experimental) | ztmnb@umsystem.edu | Sumner lab, University of Missouri | Zach Tretter | 2024-06-18 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| Predicted Spectra |
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| Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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| 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, 800, CD3OD, simulated) | ztmnb@umsystem.edu | Sumner lab, University of Missouri | Zach Tretter | 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 alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof. |
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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 | Alpha amino acids and derivatives |
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Alternative Parents | |
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Substituents | - Alpha-amino acid or derivatives
- N-acyl urea
- Pyrimidone
- Ureide
- 1,3-diazinane
- Pyrimidine
- Dicarboximide
- Urea
- Carbonic acid derivative
- Azacycle
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Organoheterocyclic compound
- Hydrocarbon derivative
- Organic oxide
- Organooxygen compound
- Organonitrogen compound
- Organopnictogen compound
- Organic oxygen compound
- Carbonyl group
- Organic nitrogen compound
- Aliphatic heteromonocyclic compound
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Molecular Framework | Aliphatic heteromonocyclic 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 | Not Available | Not Available |
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Predicted Properties | |
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