Chemoenzymatic routes to enantiomerically pure 2-azatyrosine and 2-, 3- and 4-pyridylalanine derivatives

Enantiomerically pure 2-, 3- or 4-pyridylalanine (pya) and 2-azatyrosine (azatyr) are known to present various biological activities. After incorporation into appropriate peptide sequences, these heterocyclic non natural α-amino acids could behave as new substrates or inhibitors of elastase from Pse...

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Veröffentlicht in:Amino acids 2012-04, Vol.42 (4), p.1339-1348
Hauptverfasser: Moussa, Amer, Meffre, Patrick, Martinez, Jean, Rolland, Valérie
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container_title Amino acids
container_volume 42
creator Moussa, Amer
Meffre, Patrick
Martinez, Jean
Rolland, Valérie
description Enantiomerically pure 2-, 3- or 4-pyridylalanine (pya) and 2-azatyrosine (azatyr) are known to present various biological activities. After incorporation into appropriate peptide sequences, these heterocyclic non natural α-amino acids could behave as new substrates or inhibitors of elastase from Pseudomonas aeruginosa . This enzyme is known to be involved in nosocomial infections and infections related to the cystic fibrosis disease. New efficient chemoenzymatic preparations of those compounds using α-chymotrypsin (α-CT) are presented.
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After incorporation into appropriate peptide sequences, these heterocyclic non natural α-amino acids could behave as new substrates or inhibitors of elastase from Pseudomonas aeruginosa . This enzyme is known to be involved in nosocomial infections and infections related to the cystic fibrosis disease. 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subjects Alanine - analogs & derivatives
Alanine - chemical synthesis
Alanine - chemistry
Alanine - pharmacology
Amino acids
Analytical Chemistry
Biochemical Engineering
Biochemistry
Biomedical and Life Sciences
Catalysis
Chemical Sciences
Chymotrypsin - antagonists & inhibitors
Cystic fibrosis
Derivatives
Elastase
Enzyme Inhibitors - chemical synthesis
Enzyme Inhibitors - chemistry
Enzyme Inhibitors - pharmacology
Enzymes
Inhibitors
Kinetics
Life Sciences
Molecular Structure
Neurobiology
Organic chemistry
Original Article
Proteomics
Pseudomonas aeruginosa
Stereoisomerism
Structure-Activity Relationship
Substrate inhibition
title Chemoenzymatic routes to enantiomerically pure 2-azatyrosine and 2-, 3- and 4-pyridylalanine derivatives
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