2,6-β-Fructan 6-levanbiohydrolase (, ''β-2,6-fructan-6-levanbiohydrolase'', ''2,6-β-D-fructan 6-levanbiohydrolase'', ''levanbiose-producing levanase'', ''2,6-β-D-fructan 6-β-D-fructofuranosylfructohydrolase'') is an

enzyme An enzyme () is a protein that acts as a biological catalyst by accelerating chemical reactions. The molecules upon which enzymes may act are called substrate (chemistry), substrates, and the enzyme converts the substrates into different mol ...

with

systematic name A systematic name is a name given in a systematic way to one unique group, organism, object or chemical substance, out of a specific population or collection. Systematic names are usually part of a nomenclature. A semisystematic name or semitrivi ...

''(2→6)-β-D-fructofuranan 6-(β-D-fructosyl)-D-fructose-hydrolase''. This enzyme catalyses the following

chemical reaction A chemical reaction is a process that leads to the chemistry, chemical transformation of one set of chemical substances to another. When chemical reactions occur, the atoms are rearranged and the reaction is accompanied by an Gibbs free energy, ...

Hydrolysis Hydrolysis (; ) is any chemical reaction in which a molecule of water breaks one or more chemical bonds. The term is used broadly for substitution reaction, substitution, elimination reaction, elimination, and solvation reactions in which water ...

of (2→6)-β-D-fructofuranan, to remove successive

disaccharide A disaccharide (also called a double sugar or ''biose'') is the sugar formed when two monosaccharides are joined by glycosidic linkage. Like monosaccharides, disaccharides are simple sugars soluble in water. Three common examples are sucrose, ...

residues as levanbiose, i.e. 6-(β-D-fructofuranosyl)-D-fructose, from the end of the chain

References

External links

* {{Portal bar, Biology, border=no EC 3.2.1