Biology:Crocetin glucosyltransferase
From HandWiki
Short description: Class of enzymes
| Crocetin glucosyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.4.1.271 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
Crocetin glucosyltransferase (EC 2.4.1.271, crocetin GTase, UGTCs2) is an enzyme with systematic name UDP-glucose:crocetin 8-O-D-glucosyltransferase.[1][2] This enzyme catalyses the following chemical reaction
- (1) UDP-glucose + crocetin [math]\displaystyle{ \rightleftharpoons }[/math] UDP + beta-D-glucosyl crocetin
- (2) UDP-glucose + beta-D-glucosyl crocetin [math]\displaystyle{ \rightleftharpoons }[/math] UDP + bis(beta-D-glucosyl) crocetin
- (3) UDP-glucose + beta-D-gentiobiosyl crocetin [math]\displaystyle{ \rightleftharpoons }[/math] UDP + beta-D-gentiobiosyl beta-D-glucosyl crocetin
In Crocus sativus this enzyme esterifies a free carboxyl group of crocetin or crocetin glycosyl ester.
References
- ↑ "Properties of a glucosyltransferase involved in crocin synthesis". Plant Sci. 153: 55–63. 2000. doi:10.1016/S0168-9452(99)00248-4.
- ↑ "Glucosylation of the saffron apocarotenoid crocetin by a glucosyltransferase isolated from Crocus sativus stigmas". Planta 219 (6): 955–66. October 2004. doi:10.1007/s00425-004-1299-1. PMID 15605174.
External links
- Crocetin+glucosyltransferase at the US National Library of Medicine Medical Subject Headings (MeSH)
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