1. Membrane Transporter/Ion Channel
  2. Potassium Channel
  3. Vm24-toxin

Vm24-toxin  (Synonyms: Vaejovis mexicanus peptide 24)

目录号: HY-P5917
产品使用指南 技术支持

Vm24-toxin (Vaejovis mexicanus peptide 24) 是一种 36 个残基的肽,是一种强效且选择性的 Kv1.3 阻断剂,在淋巴细胞中的 Kd 约为 3 pM。Vm24-toxin 对 Kv1.3 的亲和力比其他已测定的钾通道高出 1500 倍以上。Vm24-toxin 折叠成扭曲的胱氨酸稳定的 α/β 基序,该基序由一个单转角 α 螺旋和一个三链反向平行的 β 折叠组成,并由四个二硫键稳定。Vm24-toxin 可减弱 CD4+ 效应记忆 T 细胞对 T 细胞受体 (TCR) 刺激的应答。

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Custom Peptide Synthesis

Vm24-toxin Chemical Structure

Vm24-toxin Chemical Structure

CAS No. : 1373890-79-9

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Other Forms of Vm24-toxin:

  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Vm24-toxin (Vaejovis mexicanus peptide 24), a 36-residue peptide, is a potent and selective Kv1.3 blocker with a Kd of ~3 pM in lymphocytes. Vm24-toxin shows >1500-fold affinity for Kv1.3 over other assayed potassium channels. Vm24-toxin folds into a distorted cystine-stabilized α/β motif consisting of a single-turn α-helix and a three-stranded antiparallel β-sheet, stabilized by four disulfide bridges. Vm24-toxin attenuates the CD4+ effector memory T cell response to T cell receptor (TCR) stimulation[1][2].

IC50 & Target[1]

Kv1.3

3 pM (Kd)

分子量

3863.59

Formula

C157H253N51O45S9

CAS 号
Sequence

Ala-Ala-Ala-Ile-Ser-Cys-Val-Gly-Ser-Pro-Glu-Cys-Pro-Pro-Lys-Cys-Arg-Ala-Gln-Gly-Cys-Lys-Asn-Gly-Lys-Cys-Met-Asn-Arg-Lys-Cys-Lys-Cys-Tyr-Tyr-Cys-NH2 (Disulfide bridge: Cys6-Cys26, Cys12-Cys31, Cys16-Cys33, Cys21-Cys36)

Sequence Shortening

AAAISCVGSPECPPKCRAQGCKNGKCMNRKCKCYYC-NH2 (Disulfide bridge: Cys6-Cys26, Cys12-Cys31, Cys16-Cys33, Cys21-Cys36)

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.

纯度 & 产品资料
参考文献
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质量   浓度   体积   分子量 *
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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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