198 985 


Kv1.3 channel blocker

ADWX-1 is an optimised synthetic analog of the scorpion peptide BmKTx. ADWX-1 is known to block voltage-gated Kv1.3 channel with a high affinity (IC50 = 1.89 pM) and selectivity (340 fold greater affinity than for voltage-dependent ). ADWX-1 inhibits CD4+ CCR7 T-cell proliferation. ADWX-1 is an interesting therapeutic candidate to treat auto-immune disorders such as multiple sclerosis, type-1 diabetes, rheumatoid arthritis and psoriasis. This peptide is a valuable tool for studying the structure-function of Kv1.3 channel and auto-immunity pathways.

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AA sequence: Val-Gly-Ile-Asn-Val-Lys-Cys7-Lys-His-Ser-Arg-Gln-Cys13-Leu-Lys-Pro-Cys17-Lys-Asp-Ala-Gly-Met-Arg-Phe-Gly-Lys-Cys27-Thr-Asn-Gly-Lys-Cys32-His-Cys34-Thr-Pro-Lys-OH
Disulfide bonds between: Cys7-Cys27, Cys13-Cys32, Cys17-Cys34
Length (aa): 37
Formula: C169H281N57O46S7
Molecular Weight: 4071.90 Da
Purity rate: > 98%
Appearance: White lyophilized solid
Solubility: water and saline buffer
CAS number: not available
Source: Synthetic

MaurotoxinShK – Stichodactyla toxin(Dap22)-ShK

Structural basis of a potent peptide inhibitor designed for Kv1.3 channel, a therapeutic target of autoimmune disease.

Selective inhibition of CCR7(-) effector memory T cell activation by a novel peptide targeting Kv1.3 channel in a rat experimental autoimmune encephalomyelitis model.

Different residues in channel turret determining the selectivity of ADWX-1 inhibitor peptide between Kv1.1 and Kv1.3 channels.

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