Soluble in water
Shipped at room temperature. The product as supplied can be stored intact at room temperature for several weeks. For longer periods, it should be stored at -20°C.
Storage of solutions
Up to two weeks at 4°C or three months at -20°C.
RSCIDTIPKSRCTAFQCKHSMKYRLSFCRKTCGTC (Disulfide bonds: Cys3-Cys35, Cys12-Cys28 and Cys17-Cys32)
Protoxin II, an inhibitory cystine knot toxin from the tarantula Thrixopelma pruriens, inhibits voltage-gated sodium channels.