The Enzyme Database

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EC 4.2.1.161     
Accepted name: bisanhydrobacterioruberin hydratase
Reaction: bacterioruberin = bisanhydrobacterioruberin + 2 H2O (overall reaction)
(1a) bacterioruberin = monoanhydrobacterioruberin + H2O
(1b) monoanhydrobacterioruberin = bisanhydrobacterioruberin + H2O
For diagram of bacterioruberin biosynthesis, click here
Glossary: bisanhydrobacterioruberin = 2,2′-bis(3-methylbut-2-enyl)-3,4,3′,4′-tetradehydro-1,2,1′,2′-tetrahydro-ψ,ψ-carotene-1,1′-diol
monoanhydrobacterioruberin = 2-(3-hydroxy-3-methylbutyl)-2′-(3-methylbut-2-enyl)-3,4,3′,4′-tetradehydro-1,2,1′,2′-tetrahydro-ψ,ψ-carotene-1,1′-diol
Other name(s): CruF; C50 carotenoid 2′′,3′′-hydratase
Systematic name: bacterioruberin hydro-lyase (bisanhydrobacterioruberin-forming)
Comments: The enzyme, isolated from the archaeon Haloarcula japonica, is involved in the biosynthesis of the C50 carotenoid bacterioruberin. In this pathway it catalyses the introduction of hydroxyl groups to C3′′ and C3′′′ of bisanhydrobacterioruberin to generate bacterioruberin.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Yang, Y., Yatsunami, R., Ando, A., Miyoko, N., Fukui, T., Takaichi, S. and Nakamura, S. Complete biosynthetic pathway of the C50 carotenoid bacterioruberin from lycopene in the extremely halophilic archaeon Haloarcula japonica. J. Bacteriol. 197 (2015) 1614–1623. [PMID: 25712483]
[EC 4.2.1.161 created 2015]
 
 


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