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BmTXKS1/BmP02 toxin family This family consists of toxin-like peptides that are isolated from the venom of Buthus martensii Karsch scorpion. The precursor consists of 60 amino acid residues, with a putative signal peptide of 28 residues and an extra residue, and a mature peptide of 31 residues with an amidated C-terminal. The peptides share close homology with other scorpion K+ channel toxins and should present a common three-dimensional fold - the Cysteine -stabilized alphabeta (CSalphabeta) motif. This family acts by blocking small conductance calcium activated potassium ion channels in their victim. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",