Cat. No. 5571
Biological ActivityHigh affinity, selective KCa2.2 (SK2) channel blocker (Kd = 3.8 nM). Exhibits >200-fold selectivity for KCa2.2 over KCa2.1, KCa2.3, KCa3.1, IK, Kv and Kir2.1. Increases theta-burst responses and increases LTP in rat hippocampal slices in vitro. Convulsive in vivo.
(Modifications: X = Dab, Disulfide bridges: 3-21, 8-26, 12-28, His-31 = C-terminal amide)
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Certificate of Analysis / Product Datasheet / Safety Data Sheet
Kasumu et al (2012) Selective positive modulator of calcium-activated potassium channels exerts beneficial effects in a mouse model of spinocerebellar ataxia type 2. Chem.Biol. 19 1340. PMID: 23102227.
Kramar et al (2004) A novel mechanism for the facilitation of theta-induced long-term potentiation by brain-derived neurotrophic factor. J.Neurosci. 24 5151. PMID: 15175384.
Shakkottai et al (2001) Design and characterization of a highly selective peptide inhibitor of the small conductance calcium-activated K+ channel, SkCa2. J.Biol.Chem. 276 43145. PMID: 11527975.
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Citations are publications that use Tocris products. Selected citations for Lei-Dab 7 include:
Sargin et al (2016) Chronic social isolation reduces 5-HT neuronal activity via upregulated SK3 calcium-activated potassium channels Elife 5 e21416. PMID: 27874831.
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Keywords: Lei-Dab 7, supplier, Lei-Dab7, selective, potent, small, conductance, calcium, activated, potassium, channels, K+, Ca2+, inhibitors, inhibits, KCa2.2, SK2, blockers, Tocris Bioscience, Calcium-Activated Potassium (KCa) Channel Blocker products