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Amino Acid Sequence

Thr-Ile-Ile-Asn-Val-Lys-Cys-Thr-Ser-Pro-Lys-Gln-Cys-Leu-Pro-Pro-Cys-Lys-Ala-Gln-Phe-Gly-Gln-Ser-Ala-Gly-Ala-Lys-Cys-Met-Asn-Gly-Lys-Cys-Lys-Cys-Tyr-Pro-His [Disulfide Bridges: 7-29; 13-34; 17-36]

Biochem/physiol Actions

Margatoxin is an α-KTx toxin, which is majorly used in ion channel research. It is a 39-amino acid peptide, which is a specific K(V)1.3 channel voltage-dependent K⁺ channel blocker. Margatoxin is an immunosuppressant that is isolated from the venom of the scorpion Centruroides margaritatus.

Other Notes

Toxin in Centruroides margaritatus (scorpion)