TMR-ShK

330 1964 

Currency

Fluorescent (red) Kv1.3 blocker

TMR-ShK peptide toxin is a synthetic derivative of the well-known ShK toxin (Stichodactyla helianthus neurotoxin) isolated from the venom of the Carribean sea anemone Stoichactis helianthus. Wild-type ShK blocks potently Kv1.3 (KCNA3), Kv1.1 (KCNA1), Kv1.4 (KCNA4) and Kv1.6 (KCNA6) with a Kd value of 11 pM, 16 pM, 312 pM and 165 pM, respectively. The fluorescent TMR-labeled ShK blocks Kv1.3 and Kv1.1 with Kd values of 52 pM and 397 pM, respectively. TMR-ShK can be used to identify lymphocytes expressing Kv1.3 channels such as effective memory T cells (TEM) in the case of autoimmune diseases (type 1 diabetes, mellitus or rheumatoid arthritis) which overexpress Kv1.3 channels.

 

SKU: SAT001-00100 Categories: , Tags: ,

Description

AA sequence: TMR-AEEAc-Arg-Ser-Cys3-Ile-Asp-Thr-Ile-Pro-Lys-Ser-Arg-Cys12-Thr-Ala-Phe-Gln-Cys17-Lys-His-Ser-Met-Lys-Tyr-Arg-Leu-Ser-Phe-Cys28-Arg-Lys-Thr-Cys32-Gly-Thr-Cys35-OH
Disulfide bonds: Cys3-Cys35, Cys12-Cys28 and Cys17-Cys32
Length (aa): 35
Formula: C200H310N57O55S7
Molecular Weight: 4611.7 Da
Appearance: red lyophilized solid
Solubility: water or saline buffer
CAS number: NA
Source: Synthetic
Purity rate: > 97%
TMR fluorescent dye (5(6)-TAMRA): λex543nM,  λem572nM

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A Novel Fluorescent Toxin to Detect and Investigate Kv1.3 Channel Up-regulation in Chronically Activated T Lymphocytes

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    TMR-ShK

    330 1964 Quote request