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Báo cáo khoa học: Solution structure of IsTX A male scorpion toxin fromOpisthacanthus madagascariensis(Ischnuridae)

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:0

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The novel sex-specific potassium channel inhibitor IsTX, a 41-residue peptide, was isolated from the venom of male Opisthacanthus madagascariensis.Two-dimensionalNMR techniques revealed that the structure of IsTX contains a cysteine-stabilizeda/b-fold. IsTX is classified, based on its sequential and structural similarity, in the scorpion short toxin familya-KTx6. Thea-KTx6 family contains a single a-helix and twob-strands connected by four disulfide brid-ges and binds to voltage-gated K + channels and apamin-sensitive Ca 2+ -activated K + channels. ...

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Nội dung Text: Báo cáo khoa học: Solution structure of IsTX A male scorpion toxin fromOpisthacanthus madagascariensis(Ischnuridae)

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