Fructan beta-(2,1)-fructosidase (, ''beta-(2-1)-D-fructan fructohydrolase'', ''beta-(2-1)fructan exohydrolase'', ''
inulinase
Inulinase ( and , inulase, endoinulinase, endo-inulinase, exoinulinase, 2,1-β-D-fructan fructanohydrolase) is an enzyme with systematic name 1-β-D-fructan fructanohydrolase.
It catalyses the reaction:
: Endohydrolysis of (2→1)-β-D-fructos ...
'', ''1-FEH II'', ''1-fructan exohydrolase'', ''1-FEH w1'', ''1-FEH w2'', ''beta-(2-1)-linkage-specific fructan-beta-fructosidase'', ''beta-(2,1)-D-fructan fructohydrolase'') 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 ...
''beta-(2->1)-D-fructan fructohydrolase''.
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 terminal, non-reducing (2->1)-linked beta-D-fructofuranose residues in
fructan
A fructan is a polymer of fructose molecules. Fructans with a short chain length are known as fructooligosaccharides. Fructans can be found in over 12% of the angiosperms including both monocots and dicotyledon, dicots such as agave, artichokes, a ...
s
The best substrates are the
inulin
Inulins are a group of naturally occurring polysaccharides produced by many types of plants, industrially most often extracted from chicory. The inulins belong to a class of dietary fibers known as fructans. Inulin is used by some plants as a ...
-type fructans.
References
External links
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EC 3.2.1