Ectoine synthase explained
Ectoine synthase |
Ec Number: | 4.2.1.108 |
The enzyme ectoine synthase catalyzes the chemical reaction
(2S)-4-acetamido-2-aminobutanoate
L-ectoine + H
2O
This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is (2S)-4-acetamido-2-aminobutanoate (L-ectoine-forming). Other names in common use include N-acetyldiaminobutyrate dehydratase, N-acetyldiaminobutanoate dehydratase, L-ectoine synthase, EctC, and 4-N-acetyl-L-2,4-diaminobutanoate hydro-lyase (L-ectoine-forming). This enzyme participates in glycine, serine and threonine metabolism.
References
- Peters P, Galinski EA, Truper HG . 1990 . The biosynthesis of ectoine . FEMS Microbiol. Lett. . 71 . 1–2 . 157 - 162 . 10.1111/j.1574-6968.1990.tb03815.x . free .
- Ono H, Sawada K, Khunajakr N . etal . 1999 . Characterization of biosynthetic enzymes for ectoine as a compatible solute in a moderately halophilic eubacterium, Halomonas elongata . J. Bacteriol. . 181 . 91 - 9 . 9864317 . 1 . 103536 .
- Kuhlmann AU, Bremer E . 2002 . Osmotically regulated synthesis of the compatible solute ectoine in Bacillus pasteurii and related Bacillus spp . Appl. Environ. Microbiol. . 68 . 772 - 83 . 11823218 . 10.1128/AEM.68.2.772-783.2002 . 2 . 126723 .
- Louis P, Galinski EA . Characterization of genes for the biosynthesis of the compatible solute ectoine from Marinococcus halophilus and osmoregulated expression in Escherichia coli . Microbiology . 143 . 1141 - 9 . 9141677 . 10.1099/00221287-143-4-1141 . 4 . 1997 . free .