The glucagon receptor antagonist BI-32169 constitutes a new class of lasso peptides

The glucagon receptor antagonist BI-32169, recently isolated from Streptomyces sp., was described as a bicyclic peptide, although its primary structure comprises conserved elements of class I and class II lasso peptides. Tandem mass spectrometric and nuclear magnetic resonance spectroscopic studies...

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Veröffentlicht in:FEBS letters 2010-02, Vol.584 (4), p.785-789
Hauptverfasser: Knappe, Thomas A., Linne, Uwe, Xie, Xiulan, Marahiel, Mohamed A.
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Linne, Uwe
Xie, Xiulan
Marahiel, Mohamed A.
description The glucagon receptor antagonist BI-32169, recently isolated from Streptomyces sp., was described as a bicyclic peptide, although its primary structure comprises conserved elements of class I and class II lasso peptides. Tandem mass spectrometric and nuclear magnetic resonance spectroscopic studies revealed that BI-32169 is a lasso-structured peptide constituting the new class III of lasso peptides. The determined lasso fold opens new avenues to improve the promising biological activity of BI-32169.
doi_str_mv 10.1016/j.febslet.2009.12.046
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Access via Wiley Online Library; Access via ScienceDirect (Elsevier); Wiley Online Library (Open Access Collection); Alma/SFX Local Collection
subjects Amino Acid Sequence
Bacterial Proteins - chemistry
Bacterial Proteins - genetics
Bacterial Proteins - pharmacology
Chromatography, High Pressure Liquid
Disulfide bond formation
Glucagon receptor antagonist
Lasso peptide
Magnetic Resonance Spectroscopy
Mass fragmentation
Models, Molecular
Molecular Sequence Data
NMR structure
Peptides, Cyclic - chemistry
Peptides, Cyclic - genetics
Peptides, Cyclic - pharmacology
Protein Conformation
Protein Folding
Protein scaffold
Receptors, Glucagon - antagonists & inhibitors
Streptomyces
Streptomyces - metabolism
Tandem Mass Spectrometry - methods
title The glucagon receptor antagonist BI-32169 constitutes a new class of lasso peptides
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