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 | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
- 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
edit- ^ 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.
- ^ 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.
- ^ 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.
- ^ 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.
External links
edit- Baicalin-beta-D-glucuronidase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
