Lyxose is an aldopentose — a monosaccharide containing five carbon atoms, and including an aldehyde functional group. It has chemical formula C5H10O5. It is a C'-2 carbon epimer of the sugar xylose. The name "lyxose" comes from reversing the prefix "xyl" in "xylose".
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IUPAC name
Lyxose
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Systematic IUPAC name
(2R,3R,4S)-2,3,4,5-Tetrahydroxypentanal | |
Other names
L-Lyxose
Lyxopyranose | |
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3D model (JSmol)
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Properties | |
C5H10O5 | |
Molar mass | 150.130 g·mol−1 |
Density | 1.545 g cm−3 |
Melting point | 108 °C (226 °F; 381 K) |
Soluble in water | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Lyxose occurs only rarely in nature, for example, as a component of bacterial glycolipids.[1]
References
edit- ^ Khoo, K. H.; Dell, Anne; Suzuki, Russell; Morris, Howard R.; McNeil, Michael R.; Brennan, Patrick J.; Besra, Gurdyal S. (10 September 1996). "Chemistry of the Lyxose-Containing Mycobacteriophage Receptors of Mycobacterium phlei/Mycobacterium smegmatis". Biochemistry. 35 (36). American Chemical Society: 11812–11819. doi:10.1021/bi961055+.