Origin:Phrixotrichus auratus(Chilean copper tarantula).
Source description: Recombinant, E.coli
M.W.:3549 Purity: >98%
Effective concentration: 10-100 nM.
Modifications: Disulfide bonds between Cys2-Cys16, Cys9-Cys21, and Cys15-Cys25.
Molecular formula: C156H239N44O37S7.
Activity: Phrixotoxin-1 blocks specifically and reversibly Kv4.2 and Kv4.3 channels1.
Sizes: 50ug, 100ug, 5 x 50ug, 5 x 100ug lyophilized powder.
Solubility: Soluble in Water.
Storage before reconstitution: Lyophilized powder can be stored intact at room temperature for 2-3 weeks. For longer periods, it should be stored at -20°C.
Reconstitution: Any aqueous buffer. Centrifuge all product preparations before use (10000 xg 5min).
Concentration after reconstitution: Dissolving 50μg in 1.409 ml will provide a stock solution of 10uM.
Storage and stability after reconstitution: Up to two weeks at 4°C or half year at -20°C.