Biological ActivityExtremely potent KV1.3 channel blocker (Kd = 23 pM for mKV1.3 currents). Selective for KV1.3 over other mammalian potassium channels (IC50 values are 23, 1800, 10500, 37000 and 39000 pM for mKV1.3, mKV1.1, hKV1.6, mKV1.4 and rKV1.2 respectively, and >100000 pM for hKV1.5, mKV1.7, hKV3.1, rKV3.4 and hKCa4). Suppresses T cell activation in vitro (IC50 < 500 pM).
(Modifications: Disulfide bridges: 3-35,12-28,17-32), X= Dap)
The technical data provided above is for guidance only.
For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
ShK-Dap22, a potent KV1.3-specific immunosuppresive polypeptide.
Kalman et al.
Hypoxia modulates early events in T cell receptor-mediated activation in human T lymphocytes via KV1.3 channels.
Robbins et al.
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This compound was used in our cell culture lab to quantify blocking activity of Kv channels. It produced reproducible data in osteosarcoma cell line. Great product, hugely recommend.