Journal:Acta Cryst F:S2053230X19002863
From Proteopedia
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This paper describes the biochemical and structural analyses of adenylation enzyme IdnL7 involved in the biosynthesis of macrolactam antibiotic incednine. IdnL7 shows a broad substrate specificity for several small L-amino acids such as L-alanine and glycine. To obtain mechanistic insights into the substrate recognition of IdnL7, we determined the crystal structure of IdnL7 in complex with a reaction intermediate analog. IdnL7 has Cys217, Ala285 and Thr318 at the substrate binding pocket. These residues likely enable to accommodate various small L-amino acids as a substrate. This structural observation expands our understanding of the structure-function relationships of adenylation enzymes. | This paper describes the biochemical and structural analyses of adenylation enzyme IdnL7 involved in the biosynthesis of macrolactam antibiotic incednine. IdnL7 shows a broad substrate specificity for several small L-amino acids such as L-alanine and glycine. To obtain mechanistic insights into the substrate recognition of IdnL7, we determined the crystal structure of IdnL7 in complex with a reaction intermediate analog. IdnL7 has Cys217, Ala285 and Thr318 at the substrate binding pocket. These residues likely enable to accommodate various small L-amino acids as a substrate. This structural observation expands our understanding of the structure-function relationships of adenylation enzymes. | ||
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| + | <scene name='80/809196/Cv/2'>Cartoon representation of the overall structure of IdnL7</scene>. The overall structure consists of the N-terminal domain (pink) and the C-terminal domain (magenta). | ||
<b>References</b><br> | <b>References</b><br> | ||
Revision as of 11:34, 5 March 2019
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