Abstract
α-Conotoxins (α-Ctxs) are the major class of Ctxs extracted from the venom of marine cone snails. Most α-Ctxs specifically target various subtypes of the nicotinic acetylcholine receptors (nAChRs) with high affinity and potency as antagonists. Therefore, they may be used for the treatment of numerous diseases that nAChRs involved. The subtype affinity and selectivity of α-Ctxs arise from their amino acid composition and geometric conformation of microsites. To reveal the structural features of α-Ctxs, detailed structural information on the various nAChR subtypes and their ligand complexes is needed. This review article provides an overview of the structural data on α-Ctx-nAChR interactions to investigate the prediction and evaluation of the affinity and selectivity of α-Ctx.
Keywords: α-Conotoxin, Affinity, Nicotinic acetylcholine receptor, Selectivity, Structure-activity relationship, Structure feature.
Current Topics in Medicinal Chemistry
Title:The Structural Features of α-Conotoxin Specifically Target Different Isoforms of Nicotinic Acetylcholine Receptors
Volume: 16 Issue: 2
Author(s): Rui-Jie Wu, Lei Wang and Hui Xiang
Affiliation:
Keywords: α-Conotoxin, Affinity, Nicotinic acetylcholine receptor, Selectivity, Structure-activity relationship, Structure feature.
Abstract: α-Conotoxins (α-Ctxs) are the major class of Ctxs extracted from the venom of marine cone snails. Most α-Ctxs specifically target various subtypes of the nicotinic acetylcholine receptors (nAChRs) with high affinity and potency as antagonists. Therefore, they may be used for the treatment of numerous diseases that nAChRs involved. The subtype affinity and selectivity of α-Ctxs arise from their amino acid composition and geometric conformation of microsites. To reveal the structural features of α-Ctxs, detailed structural information on the various nAChR subtypes and their ligand complexes is needed. This review article provides an overview of the structural data on α-Ctx-nAChR interactions to investigate the prediction and evaluation of the affinity and selectivity of α-Ctx.
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Wu Rui-Jie, Wang Lei and Xiang Hui, The Structural Features of α-Conotoxin Specifically Target Different Isoforms of Nicotinic Acetylcholine Receptors, Current Topics in Medicinal Chemistry 2016; 16 (2) . https://dx.doi.org/10.2174/1568026615666150701114831
DOI https://dx.doi.org/10.2174/1568026615666150701114831 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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