| Record Information |
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| Version | 2.0 |
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| Created at | 2006-05-22 15:12:26 UTC |
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| Updated at | 2024-09-17 15:41:24 UTC |
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| NP-MRD ID | NP0000254 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | O-Acetylserine |
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| Description | O-Acetylserine is an α-amino acid with the chemical formula HO2CCH(NH2)CH2OC(O)CH3. It is an intermediate in the biosynthesis of the common amino acid cysteine in bacteria and plants. O-Acetylserine is biosynthesized by acetylation of the serine by the enzyme serine transacetylase. The enzyme O-acetylserine (thiol)-lyase, using sulfide sources, converts this ester into cysteine, releasing acetate. O-Acetylserine belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom. O-Acetylserine (OASS) is an acylated amino acid derivative. O-Acetylserine exists in all living species, ranging from bacteria to humans. Outside of the human body, O-Acetylserine has been detected, but not quantified in several different foods, such as okra, vaccinium (blueberry, cranberry, huckleberry), rapes, sparkleberries, and lingonberries. This could make O-acetylserine a potential biomarker for the consumption of these foods. |
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| Structure | InChI=1S/C5H9NO4/c1-3(7)10-2-4(6)5(8)9/h4H,2,6H2,1H3,(H,8,9)/t4-/m0/s1 |
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| Synonyms | | Value | Source |
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| L-Serine, acetate (ester) | ChEBI | | O3-Acetyl-L-serine | ChEBI | | L-Serine, acetic acid (ester) | Generator | | O-Acetyl-L-serine | HMDB | | O-Acetyl-serine | HMDB | | O-Acetylserine hydrobromide, (D)-isomer | HMDB | | O-Acetylserine, (L)-isomer | HMDB | | Serine acetate ester | HMDB | | O-Acetylserine | MeSH |
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| Chemical Formula | C5H9NO4 |
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| Average Mass | 147.1293 Da |
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| Monoisotopic Mass | 147.05316 Da |
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| IUPAC Name | (2S)-3-(acetyloxy)-2-aminopropanoic acid |
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| Traditional Name | O-acetyl-L-serine |
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| CAS Registry Number | 5147-00-2 |
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| SMILES | CC(=O)OC[C@H](N)C(O)=O |
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| InChI Identifier | InChI=1S/C5H9NO4/c1-3(7)10-2-4(6)5(8)9/h4H,2,6H2,1H3,(H,8,9)/t4-/m0/s1 |
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| InChI Key | VZXPDPZARILFQX-BYPYZUCNSA-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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| | 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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| Not Available | | Species |
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| Species of Origin | |
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| Species Where Detected | |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as l-alpha-amino acids. These are 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 | L-alpha-amino acids |
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| Alternative Parents | |
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| Substituents | - L-alpha-amino acid
- Dicarboxylic acid or derivatives
- Carboxylic acid ester
- Amino acid
- Carboxylic acid
- Hydrocarbon derivative
- Organopnictogen compound
- Primary amine
- Organooxygen compound
- Organonitrogen compound
- Primary aliphatic amine
- Organic oxygen compound
- Organic nitrogen compound
- Carbonyl group
- Amine
- 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 | Not Available | Not Available |
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| Predicted Properties | |
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| General References | - Sugahara K, Zhang J, Kodama H: Liquid chromatographic-mass spectrometric analysis of N-acetylamino acids in human urine. J Chromatogr B Biomed Appl. 1994 Jul 1;657(1):15-21. [PubMed:7952062 ]
- Qiu J, Wang D, Ma Y, Jiang T, Xin Y: Identification and characterization of serine acetyltransferase encoded by the Mycobacterium tuberculosis Rv2335 gene. Int J Mol Med. 2013 May;31(5):1229-33. doi: 10.3892/ijmm.2013.1298. Epub 2013 Mar 12. [PubMed:23483228 ]
- Zhang Z, Wei J, Wang M, Zhang J, Wu B: Induced sulfur metabolism by sulfur dioxide maintains postharvest quality of 'Thompson Seedless' grape through increasing sulfite content. J Sci Food Agric. 2021 Aug 2. doi: 10.1002/jsfa.11454. [PubMed:34338316 ]
- Fernandez-Rodriguez C, Oyenarte I, Conter C, Gonzalez-Recio I, Nunez-Franco R, Gil-Pitarch C, Quintana I, Jimenez-Oses G, Dominici P, Martinez-Chantar ML, Astegno A, Martinez-Cruz LA: Structural insight into the unique conformation of cystathionine beta-synthase from Toxoplasma gondii. Comput Struct Biotechnol J. 2021 Jun 6;19:3542-3555. doi: 10.1016/j.csbj.2021.05.052. eCollection 2021. [PubMed:34194677 ]
- Kumar A, Kumar V, Dubey AK, Ansari MA, Narayan S, Meenakshi, Kumar S, Pandey V, Pande V, Sanyal I: Chickpea glutaredoxin (CaGrx) gene mitigates drought and salinity stress by modulating the physiological performance and antioxidant defense mechanisms. Physiol Mol Biol Plants. 2021 May;27(5):923-944. doi: 10.1007/s12298-021-00999-z. Epub 2021 May 6. [PubMed:34092945 ]
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