4-hydroxybenzoate 4-O-beta-D-glucosyltransferase
In enzymology, a 4-hydroxybenzoate 4-O-beta-D-glucosyltransferase (EC 2.4.1.194) is an enzyme that catalyzes the chemical reaction
- UDP-glucose + 4-hydroxybenzoate UDP + 4-(beta-D-glucosyloxy)benzoate
| 4-hydroxybenzoate 4-O-beta-D-glucosyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.4.1.194 | ||||||||
| CAS no. | 120860-68-6 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are UDP-glucose and 4-hydroxybenzoate, whereas its two products are UDP and 4-(beta-D-glucosyloxy)benzoate.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucose:4-hydroxybenzoate 4-O-beta-D-glucosyltransferase. Other names in common use include uridine diphosphoglucose-4-hydroxybenzoate glucosyltransferase, UDP-glucose:4-(beta-D-glucopyranosyloxy)benzoic acid, glucosyltransferase, HBA glucosyltransferase, p-hydroxybenzoate glucosyltransferase, PHB glucosyltransferase, and PHB-O-glucosyltransferase.
References
- Katsumata T, Shige H, Ejiri SI (1989). "Biochemical-studies on pollen. 34. UDP glucose-4-(beta-D-glucopyranosyloxy) benzoic-acid glucosyltransferase from the pollen of Pinus densiflora". Phytochemistry. 28 (2): 359–362. doi:10.1016/0031-9422(89)80013-5.