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Solution structure of a K+-channel blocker from the scorpion Tityus cambridgei

✍ Scribed by Iren Wang; Shih-Hsiung Wu; Hsueh-Kai Chang; Ru-Chi Shieh; Hui-Ming Yu; Chinpan Chen

Book ID: 111753344
Publisher: Cold Spring Harbor Laboratory Press
Year: 2009
Tongue: English
Weight: 557 KB
Volume: 11
Category: Article
ISSN: 0961-8368
DOI: 10.1110/ps.33402

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TsKapa (TsK), purified from the Buthidae Tityus serrulatus is a very high potent ligand for small-conductance apaminsensitive calcium-activated potassium channels (SK). It is able to efficiently compete with apamin for binding on this channel (K 0.5 ‫؍‬ 0.3 nM) [Legros, C. et al., FEBS Lett. 390:81-