View source for Dolichyl-P-Glc:Glc1Man9GlcNAc2-PP-dolichol alpha-1,3-glucosyltransferase

{{Infobox enzyme
| Name = Zeaxanthin glucosyltransferase
| EC_number = 2.4.1.276
| CAS_number = 
| IUBMB_EC_number = 2/4/1/276
| GO_code = 
| image = 
| width = 
| caption =
}}
'''Zeaxanthin glucosyltransferase''' ({{EC number|2.4.1.276}}, ''crtX (gene)'') is an [[enzyme]] with system name ''UDP-glucose:zeaxanthin beta-D-glucosyltransferase''.<ref>{{cite journal | title = Functional expression of zeaxanthin glucosyltransferase from ''Erwinia'' ''herbicola'' and a proposed uridine diphosphate binding site |author = Hundle, B.S., O'Brien, D.A., Alberti, M., Beyer, P. and Hearst, J.E. |journal = Proc. Natl. Acad. Sci. USA |year = 1992 |volume = 89 |pages = 9321–9325 |pmid = 1409639 | doi = 10.1073/pnas.89.19.9321 | issue = 19 | pmc = 50118}}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: 2 [[UDP-glucose]] + [[zeaxanthin]] <math>\rightleftharpoons</math> 2 UDP + zeaxanthin bis(beta-D-glucoside)

The reaction proceeds in two steps with the [[Glucoside|monoglucoside]] as an intermediate.

== References ==
{{reflist}}

== External links ==
*{{MeshName|Zeaxanthin+glucosyltransferase}}

[[Category:EC 2.4.1]]