Alpha-glucosidase

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== Function ==
== Function ==
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'''Alpha glucosidase''' (AGS) or '''maltase''' breaks down the 1,4-α bonds in starch or disaccharides to produce glucose. '''Maltase''' breaks down maltose. '''Isomaltase''' breaks the 1,6 bond.<ref>PMID:18848471</ref> See also [[Kennedy research]] and [[Carbohydrate Metabolism]].
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'''Alpha glucosidase''' (AGS) or '''maltase''' breaks down the 1,4-α bonds in starch or disaccharides to produce glucose. '''Maltase''' breaks down maltose. '''Isomaltase''' or '''sucrase-isomaltase''' or '''oligo-1,6-glucosidase''' breaks the 1,6 bond.<ref>PMID:18848471</ref> For details see [[Sucrase-isomaltase]].
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See also [[Kennedy research]] and [[Carbohydrate Metabolism]].
== Disease ==
== Disease ==

Revision as of 08:48, 11 February 2020

Structure of yeast isomaltase complex with α-D-glucose and Ca+2 ion (green) (PDB code 3a4a).

Drag the structure with the mouse to rotate

References

  1. Gloster TM, Turkenburg JP, Potts JR, Henrissat B, Davies GJ. Divergence of catalytic mechanism within a glycosidase family provides insight into evolution of carbohydrate metabolism by human gut flora. Chem Biol. 2008 Oct 20;15(10):1058-67. Epub 2008 Oct 9. PMID:18848471 doi:10.1016/j.chembiol.2008.09.005
  2. Yamamoto K, Miyake H, Kusunoki M, Osaki S. Crystal structures of isomaltase from Saccharomyces cerevisiae and in complex with its competitive inhibitor maltose. FEBS J. 2010 Oct;277(20):4205-14. doi: 10.1111/j.1742-4658.2010.07810.x., Epub 2010 Aug 31. PMID:20812985 doi:10.1111/j.1742-4658.2010.07810.x

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Michal Harel, Alexander Berchansky

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