Mannoheptulose

D-Mannoheptulose
IUPAC name D-Manno-hept-2-ulose
Identifiers
CAS number	3615-44-9 Y
PubChem	12600
ChemSpider	12080 Y
Jmol-3D images	Image 1
SMILES O=C([C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO)CO
InChI InChI=1S/C7H14O7/c8-1-3(10)5(12)7(14)6(13)4(11)2-9/h3,5-10,12-14H,1-2H2/t3-,5-,6-,7+/m1/s1 Y Key: HSNZZMHEPUFJNZ-QMTIVRBISA-N Y InChI=1S/C7H14O7/c8-1-3(10)5(12)7(14)6(13)4(11)2-9/h3,5-10,12-14H,1-2H2/t3-,5-,6-,7+/m1/s1
Properties
Molecular formula	C7H14O7
Molar mass	210.18 g mol−1
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Mannoheptulose is a hexokinase inhibitor. It is a heptose, a monosaccharide with seven carbon atoms. By blocking the enzyme hexokinase, it prevents glucose phosphorylation. As a result, the breakdown of glucose is inhibited. It is found as D-mannoheptulose in avocados.^[1]

References

1. ^ Dai, N; Schaffer, A; Petreikov, M; Shahak, Y; Giller, Y; Ratner, K; Levine, A; Granot, D (1999). "Overexpression of Arabidopsis hexokinase in tomato plants inhibits growth, reduces photosynthesis, and induces rapid senescence". The Plant cell 11 (7): 1253–66. PMC 144264. PMID 10402427. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=144264.