Picolinic acids as β-exosite inhibitors of botulinum neurotoxin A light chain.
Picolinic acids as β-exosite inhibitors of botulinum neurotoxin A light chain.
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DOI:
10.1039/c6cc06749b
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发表时间:
2016-10-13
期刊:
影响因子:
--
通讯作者:
Janda KD
中科院分区:
文献类型:
--
作者:
Bremer PT;Xue S;Janda KD
In developing small-molecule inhibitors of botulinum neurotoxin serotype A light chain (BoNT/A LC), substituted picolinic acids were identified. Extensive investigation into the SAR of the picolinic acid scaffold revealed 5-(1-butyl-4-chloro-1H-indol-2-yl)picolinic acid (CBIP), which possessed low micromolar activity against BoNT/A. Kinetic and docking studies demonstrated binding of CBIP to the β-exosite: a largely unexplored site on the LC that holds therapeutic relevance for botulism treatment. A series of novel substituted picolinic acids demonstrated low micromolar inhibition of botulinum neurotoxin A light chain at the β-exosite.
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