Lei-Dab 7

Pricing Availability Delivery Time Qty
Cat.No. 5571 - Lei-Dab 7 | Ala-Phe-Cys-Asn-Leu-Arg-Dab-Cys-Gln-Leu-Ser-Cys-Arg-Ser-Leu-Gly-Leu-Leu-Gly-Lys-Cys-Ile-Gly-Asp-Lys-Cys-Glu-Cys-Val-Lys-His-NH2 | CAS No. 1061556-49-7
Description: High affinity, selective KCa2.2 blocker
Datasheet
Citations (1)
Literature

Biological Activity

High 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.

Technical Data

M. Wt 3392.06
Formula C141H236N46O39S6
Sequence AFCNLRXCQLSCRSLGLLGKCIGDKCECVKH

(Modifications: X = Dab, Disulfide bridges: 3-21, 8-26, 12-28, His-31 = C-terminal amide)

Storage Store at -20°C
CAS Number 1061556-49-7
Smiles [H]N[C@@H](C)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@H]1CSSC[C@@H]2NC(=O)[C@H](CCCCN)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)C)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@H](CO)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@@H]3CSSC[C@H](NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](CSSC[C@H](NC(=O)[C@H]([*])NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(N)=O)NC1=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N3)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@@H](NC2=O)[C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC1=CNC=N1)C(N)=O

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.

Solubility Data

SolubilitySoluble to 1 mg/ml in water

Preparing Stock Solutions

The following data is based on the product molecular weight 3392.06. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 0.29 mL 1.47 mL 2.95 mL
5 mM 0.06 mL 0.29 mL 0.59 mL
10 mM 0.03 mL 0.15 mL 0.29 mL
50 mM 0.01 mL 0.03 mL 0.06 mL

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Product Datasheets

Certificate of Analysis / Product Datasheet
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Safety Datasheet

References

References are publications that support the products' biological activity.

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

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

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


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View all Calcium-Activated Potassium (KCa) Channel Blockers

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1 Citation for Lei-Dab 7

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


Do you know of a great paper that uses Lei-Dab 7 from Tocris? If so please let us know.

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