Substrate specificity screening of oat (Avena sativa) seeds aminopeptidase demonstrate unusually broad tolerance in S1 pocket

Copyright © 2012 Elsevier Masson SAS. All rights reserved.

Détails bibliographiques
Publié dans:Plant physiology and biochemistry : PPB. - 1991. - 54(2012) vom: 30. Mai, Seite 6-9
Auteur principal: Gajda, Anna D (Auteur)
Autres auteurs: Pawełczak, Małgorzata, Drag, Marcin
Format: Article en ligne
Langue:English
Publié: 2012
Accès à la collection:Plant physiology and biochemistry : PPB
Sujets:Journal Article Research Support, Non-U.S. Gov't Amino Acids Aminopeptidases EC 3.4.11.-
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520 |a Aminopeptidases are proteolytic enzymes that remove one amino acid at a time from N-terminus of peptidic substrates. In plants, inhibitors of aminopeptidases can find potential applications in agriculture as herbicides. In this report we have used a library of fluorogenic derivatives of natural and unnatural amino acids for substrate specificity profiling of oat (Avena sativa) aminopeptidase. Interestingly, we have found that this enzyme recognizes effectively among the natural amino acids basic residues like Arg and Lys, hydrophobic Phe, Leu and Met, but also to some extent acidic residues Asp and Glu. In the case of unnatural amino acids hydrophobic residues (hPhe and hCha) and basic hArg were preferentially recognized 
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700 1 |a Pawełczak, Małgorzata  |e verfasserin  |4 aut 
700 1 |a Drag, Marcin  |e verfasserin  |4 aut 
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