3.5.1.125: N2-acetyl-L-2,4-diaminobutanoate deacetylase
This is an abbreviated version!
For detailed information about N2-acetyl-L-2,4-diaminobutanoate deacetylase, go to the full flat file.
Reaction
Synonyms
doeB, Helo_3664, N-alpha-acetyl-L-2,4-diaminobutyric acid deacetylase
ECTree
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General Information
General Information on EC 3.5.1.125 - N2-acetyl-L-2,4-diaminobutanoate deacetylase
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physiological function
the degradation of ectoine proceeds via hydrolysis of ectoine by DoeA to Nalpha-acetyl-L-2,4-diaminobutanoate, followed by deacetylation to diaminobutanoate by DoeB and a transaminase reaction by DoeD leading to aspartate-semialdehyde. Deletion of doeB result in a mutant that cannot utilize ectoine as carbon and nitrogen source. Nalpha-acetyl-L-2,4-diaminobutanoate accumulates as the predominant amino-reactive solute in the mutant while no Nalpha-acetyl-L-2,4-diaminobutanoate is detectable in the wild type
physiological function
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the degradation of ectoine proceeds via hydrolysis of ectoine by DoeA to Nalpha-acetyl-L-2,4-diaminobutanoate, followed by deacetylation to diaminobutanoate by DoeB and a transaminase reaction by DoeD leading to aspartate-semialdehyde. Deletion of doeB result in a mutant that cannot utilize ectoine as carbon and nitrogen source. Nalpha-acetyl-L-2,4-diaminobutanoate accumulates as the predominant amino-reactive solute in the mutant while no Nalpha-acetyl-L-2,4-diaminobutanoate is detectable in the wild type
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