Galactan endo-beta-1,3-galactanase (, ''endo-beta-1,3-galactanase'') 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 ...

''arabinogalactan 3-beta-D-galactanohydrolase''. 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, ...

: The enzyme specifically

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

beta-1,3-galactan and beta-1,3-galactooligosaccharides The enzyme from the

fungus A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

Flammulina velutipes ''Flammulina velutipes'', the velvet foot, velvet stem, velvet shank or wild enoki, is a species of gilled mushroom in the family Physalacriaceae. The species occurs in Europe and North America. Taxonomy The species was originally described f ...

'' (winter mushroom) hydrolyses the beta(1->3) bonds found in type II plant

arabinogalactan Arabinogalactan, also known as galactoarabinan, larch arabinogalactan, and larch gum, is a biopolymer consisting of arabinose and galactose monosaccharides. Two classes of arabinogalactans are found in nature: plant arabinogalactan and microbial ...

References

External links

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