The Enzyme Database

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EC 3.2.1.181     
Accepted name: galactan endo-β-1,3-galactanase
Reaction: The enzyme specifically hydrolyses β-1,3-galactan and β-1,3-galactooligosaccharides
Other name(s): endo-β-1,3-galactanase
Systematic name: arabinogalactan 3-β-D-galactanohydrolase
Comments: The enzyme from the fungus Flammulina velutipes (winter mushroom) hydrolyses the β(1→3) bonds found in type II plant arabinogalactans, which occur in cell walls of dicots and cereals. The enzyme is an endohydrolase, and requires at least 3 contiguous β-1,3-residues. cf. EC 3.2.1.89, arabinogalactan endo-β-1,4-galactanase and EC 3.2.1.145, galactan 1,3-β-galactosidase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Kotake, T., Hirata, N., Degi, Y., Ishiguro, M., Kitazawa, K., Takata, R., Ichinose, H., Kaneko, S., Igarashi, K., Samejima, M. and Tsumuraya, Y. Endo-β-1,3-galactanase from winter mushroom Flammulina velutipes. J. Biol. Chem. 286 (2011) 27848–27854. [PMID: 21653698]
[EC 3.2.1.181 created 2012]
 
 


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