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Results 1 - 9 of 9
EC Number
General Information
Commentary
Reference
evolution
ectoine biosynthetic genes (ectABC) are widely distributed in bacteria, ectoine synthase is a member of the cupin superfamily
evolution
ectoine biosynthetic genes (ectABC) are widely distributed in bacteria, ectoine synthase is a member of the cupin superfamily; the enzyme is a metal-containing member of the cupin superfamily. Cupins contain two conserved motifs: G(X)5HXH(X)3,4E(X)6G and G(X)5PXG(X)2H(X)3N (the letters in bold represent those residues that often coordinate the metal)
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evolution
the enzyme is a metal-containing member of the cupin superfamily. Cupins contain two conserved motifs: G(X)5HXH(X)3,4E(X)6G and G(X)5PXG(X)2H(X)3N (the letters in bold represent those residues that often coordinate the metal)
malfunction
in Halomonas elongata mutant strains deficient in ectA, encoding L-2,4-diaminobutyric acid acetyltransferase, no ectoine synthesis is obeserved
metabolism
ectoine synthase is involved in the biosynthetic pathway of L-ectoine and (S,S)-beta-hydroxyectoine, involvement of ectoine synthase in 5-amino-3,4-dihydro-2H-pyrrole-2-carboxylate biosynthesis in vitro
metabolism
synthesis of ectoine occurs from the intermediate metabolite L-aspartate-beta-semialdehyde and comprises the sequential activities of three enzymes: L-2,4-diaminobutyrate transaminase (EctB, EC 2.6.1.76), 2,4-diaminobutyrate acetyltransferase (EctA, EC 2.3.1.178), and ectoine synthase (EctC, EC 4.2.1.108)
metabolism
the enzyme is involved in ectoine biosynthesis
physiological function
extraordinary protective properties of 5-amino-3,4-dihydro-2H-pyrrole-2-carboxylate produced by ectoine synthase
physiological function
microorganisms that carry the ectoine biosynthetic genes (ectABC) make copious amounts of ectoine as a cell protectant in response to high-osmolarity challenges. Ectoine synthase (EctC) is the key enzyme for the production of this compatible solute and mediates the last step of ectoine biosynthesis. It catalyzes the ring closure of the cyclic ectoine molecule
Results 1 - 9 of 9