Record Information |
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Version | 1.0 |
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Creation Date | 2016-07-13 19:41:53 UTC |
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Update Date | 2016-07-20 20:56:06 UTC |
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Lmdb | LMDB00078 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | L-Fucose |
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Description | Fucose is a hexose deoxy sugar with the chemical formula C6H12O5. L-fucose (6-deoxy-L-galactose) is a monosaccharide that is a common component of many N- and O-linked glycans and glycolipids produced by mammalian cells. It is the fundamental sub-unit of the fucoidan polysaccharide. As a free sugar, L-fucose is normally found at very low levels in mammals. It is unique in that it is the only levorotatory sugar synthesized and utilized by mammals. Fucose polymers are synthesized by fucosyltransferases. All fucosyltransferases utilize a nucleotide-activated form of fucose, GDP-fucose, as a fucose donor in the construction of fucosylated oligosaccharides. The ABO blood group antigens are among the most well known fucosylated glycans. The alpha-1->3 linked core fucose is a suspected carbohydrate antigen for IgE-mediated allergy. Two structural features distinguish fucose from other six-carbon sugars present in mammals: the lack of a hydroxyl group on the carbon at the 6-position (C-6) and the L-configuration. In fucose-containing glycan structures, fucosylated glycans, fucose can exist as a terminal modification or serve as an attachment point for adding other sugars. Fucose is metabolized by an enzyme called alpha-fucosidase. Fucose is secreted in urine when the liver is damaged. Free L-fucose in serum and urine can be used as a marker for cancer, cirrhosis, alcoholic liver disease and gastric ulcers (PMID: 2311216 ) (PMID: 8488966 ). Elevated levels of serum fucose have been reported in breast cancer, ovarian cancer, lung cancer, liver cancer, diabetes and cardiovascular disease. It has been shown that feeding rats a diet high in L-fucose induces neuropathy similar to that seen in diabetics. |
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Structure | |
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Synonyms | Value | Source |
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6-Deoxy-L-galactose | ChEBI | (-)-Fucose | HMDB | (-)-L-Fucose | HMDB | 6-Deoxy-L-galactopyranose | HMDB | 6-Desoxygalactose | HMDB | 6-Methyloxane-2,3,4,5-tetrol | HMDB | 6-Methyltetrahydropyran-2,3,4,5-tetraol | HMDB | Fucose | HMDB | Isodulcit | HMDB | L-(-)-Fucose | HMDB | L-Fucopyranose | HMDB | L-Galactomethylose | HMDB | Rhodeose | HMDB | alpha Fucose | HMDB | alpha-Fucose | HMDB | Deoxygalactose | HMDB |
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Chemical Formula | C6H12O5 |
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Average Molecular Weight | 164.1565 |
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Monoisotopic Molecular Weight | 164.068473494 |
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IUPAC Name | (3S,4R,5S,6S)-6-methyloxane-2,3,4,5-tetrol |
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Traditional Name | L-fucose |
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CAS Registry Number | 2438-80-4 |
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SMILES | C[C@@H]1OC(O)[C@@H](O)[C@H](O)[C@@H]1O |
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InChI Identifier | InChI=1S/C6H12O5/c1-2-3(7)4(8)5(9)6(10)11-2/h2-10H,1H3/t2-,3+,4+,5-,6?/m0/s1 |
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InChI Key | SHZGCJCMOBCMKK-DHVFOXMCSA-N |
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Chemical Taxonomy |
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Description | belongs to the class of organic compounds known as hexoses. These are monosaccharides in which the sugar unit is a is a six-carbon containing moeity. |
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Kingdom | Organic compounds |
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Super Class | Organic oxygen compounds |
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Class | Organooxygen compounds |
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Sub Class | Carbohydrates and carbohydrate conjugates |
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Direct Parent | Hexoses |
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Alternative Parents | |
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Substituents | - Hexose monosaccharide
- Oxane
- Secondary alcohol
- Hemiacetal
- Oxacycle
- Organoheterocyclic compound
- Polyol
- Hydrocarbon derivative
- Alcohol
- Aliphatic heteromonocyclic compound
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Molecular Framework | Aliphatic heteromonocyclic compounds |
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External Descriptors | |
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Ontology |
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Status | Detected but not Quantified |
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Origin | Not Available |
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Biofunction | Not Available |
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Application | Not Available |
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Cellular locations | Not Available |
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Physical Properties |
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State | Not Available |
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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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Spectra |
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Spectra | Spectrum Type | Description | Splash Key | View |
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GC-MS | GC-MS Spectrum - GC-EI-TOF (Non-derivatized) | splash10-014i-0900000000-ff79aee2e9ac3a4f53c8 | Spectrum | GC-MS | GC-MS Spectrum - GC-EI-TOF (Non-derivatized) | splash10-014i-0900000000-23d1bd654495aefbf615 | Spectrum | GC-MS | GC-MS Spectrum - GC-EI-TOF (Non-derivatized) | splash10-014i-0900000000-ff79aee2e9ac3a4f53c8 | Spectrum | GC-MS | GC-MS Spectrum - GC-EI-TOF (Non-derivatized) | splash10-014i-0900000000-23d1bd654495aefbf615 | Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive | splash10-0a4j-9500000000-cfa9e0d8f1f20b29e5d8 | Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - GC-MS (4 TMS) - 70eV, Positive | splash10-002r-9346400000-7524daf3b04caf0c441a | Spectrum | LC-MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated) | splash10-0uxr-1900000000-78487d681dfa23efe227 | Spectrum | LC-MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated) | splash10-014i-9000000000-c8f3e40cfff39fe7c419 | Spectrum | LC-MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated) | splash10-014i-9000000000-6752b85bef2dc57dfb8e | Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-014i-0900000000-5daf054ff3eb9127d3ca | Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-014j-0900000000-f7729c93b964e01cb774 | Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0a70-9000000000-2c46a67befe14c31d7a9 | Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-03di-2900000000-86321b083a11f93bb55b | Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-03dj-5900000000-2accd457fe7b58b9b032 | Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0a4i-9000000000-9e349c8fad042f6a3e99 | Spectrum | 1D NMR | 1H NMR Spectrum | Not Available | Spectrum | 1D NMR | 13C NMR Spectrum | Not Available | Spectrum | 1D NMR | 13C NMR Spectrum | Not Available | Spectrum | 2D NMR | [1H,1H] 2D NMR Spectrum | Not Available | Spectrum | 2D NMR | [1H,13C] 2D NMR Spectrum | Not Available | Spectrum |
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General References | - Sakai T, Yamamoto K, Yokota H, Hakozaki-Usui K, Hino F, Kato I: Rapid, simple enzymatic assay of free L-fucose in serum and urine, and its use as a marker for cancer, cirrhosis, and gastric ulcers. Clin Chem. 1990 Mar;36(3):474-6. [2311216 ]
- Yamauchi M, Kimura K, Maezawa Y, Ohata M, Mizuhara Y, Hirakawa J, Nakajima H, Toda G: Urinary level of L-fucose as a marker of alcoholic liver disease. Alcohol Clin Exp Res. 1993 Apr;17(2):268-71. [8488966 ]
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