Reaction: 2 UDP-glucose + zeaxanthin = 2 UDP + zeaxanthin bis(β-D-glucoside)
For diagram of reaction, click here
Other name(s): crtX (gene name)
Systematic name: UDP-glucose:zeaxanthin β-D-glucosyltransferase
Comments: The reaction proceeds in two steps with the monoglucoside as an intermediate.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:
1. Hundle, B.S., O'Brien, D.A., Alberti, M., Beyer, P. and Hearst, J.E. Functional expression of zeaxanthin glucosyltransferase from Erwinia herbicola and a proposed uridine diphosphate binding site. Proc. Natl. Acad. Sci. USA 89 (1992) 9321-9325. [PMID: 1409639]