Blood group B linear chain alpha-1,3-galactosidase

Baicalin-beta-D-glucuronidase (EC 3.2.1.167, baicalinase) is an enzyme with systematic name 5,6,7-trihydroxyflavone-7-O-beta-D-glucupyranosiduronate glucuronosylhydrolase.[1][2][3][4] This enzyme catalyses the following chemical reaction

Baicalin-beta-D-glucuronidase
Identifiers
EC no.3.2.1.167
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Search
PMCarticles
PubMedarticles
NCBIproteins
baicalin + H2O baicalein + D-glucuronate

The enzyme also hydrolyses wogonin 7-O-beta-D-glucuronide and oroxylin 7-O-beta-D-glucuronide with lower efficiency.

References

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  1. ^ Ikegami F, Matsunae K, Hisamitsu M, Kurihara T, Yamamoto T, Murakoshi I (November 1995). "Purification and properties of a plant beta-D-glucuronidase form Scutellaria root". Biological & Pharmaceutical Bulletin. 18 (11): 1531–4. doi:10.1248/bpb.18.1531. PMID 8593473.
  2. ^ Zhang C, Zhang Y, Chen J, Liang X (2005). "Purification and characterization of baicalin-β-D-glucuronidase hydrolyzing baicalin to baicalein from fresh roots of Scutellaria viscidula Bge". Proc. Biochem. 40: 1911–1915. doi:10.1016/j.procbio.2004.07.003.
  3. ^ Sasaki K, Taura F, Shoyama Y, Morimoto S (September 2000). "Molecular characterization of a novel beta-glucuronidase from Scutellaria baicalensis georgi". The Journal of Biological Chemistry. 275 (35): 27466–72. doi:10.1074/jbc.m004674200. PMID 10858442.
  4. ^ Morimoto S, Harioka T, Shoyama Y (1995). "Purification and characterization of flavone-specific β-glucuronidase from callus cultures of Scutellaria baicalensis Georgi". Planta. 195: 535–540. doi:10.1007/bf00195712.
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