Galactan endo-1,6-beta-galactosidase

Galactan endo-1,6-beta-galactosidase
Identifiers
EC number 3.2.1.164
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum

Galactan endo-1,6-beta-galactosidase (EC 3.2.1.164, endo-1,6-beta-galactanase) is an enzyme with systematic name endo-beta-(1->6)-galactanase.[1][2][3] This enzyme catalyses the following chemical reaction

Endohydrolysis of (1->6)-beta-D-galactosidic linkages in arabinogalactan proteins and (1->3):(1->6)-beta-galactans to yield galactose and (1->6)-beta-galactobiose as the final products

The enzyme specifically hydrolyses 1,6-beta-D-galactooligosaccharides with a degree of polymerization (DP) higher than 3.

References

  1. ↑ Brillouet, J.-M.; Williams, P.; Moutounet, M. (1991). "Purification and some properties of a novel endo-β-(1→6)-D-galactanase from Aspergillus niger". Agric. Biol. Chem. 55: 1565–1571. doi:10.1271/bbb1961.55.1565.
  2. ↑ Okemoto, K.; Uekita, T.; Tsumuraya, Y.; Hashimoto, Y.; Kasama, T. (2003). "Purification and characterization of an endo-β-(1→6)-galactanase from Trichoderma viride". Carbohydr. Res. 338 (3): 219–230. doi:10.1016/s0008-6215(02)00405-6. PMID 12543554.
  3. ↑ Kotake, T.; Kaneko, S.; Kubomoto, A.; Haque, M.A.; Kobayashi, H.; Tsumuraya, Y. (2004). "Molecular cloning and expression in Escherichia coli of a Trichoderma viride endo-β-(1→6)-galactanase gene". Biochem. J. 377 (Pt 3): 749–755. doi:10.1042/BJ20031145. PMC 1223900. PMID 14565843.
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