//重组蛋白；Kunitz-type neurotoxin

英文名称：

Recombinant Micrurus tener tener Kunitz-type neurotoxin MitTx-alpha

品名简称：

Recombinant Micrurus tener tener Kunitz-type neurotoxin MitTx-alpha protein

货号：

CSB-EP516846MUA

规格:

20μg

价格：

2328

LC-MS/Western Blot：

/

SDS-PAGE：

(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

纯度：

Greater than 90% as determined by SDS-PAGE.

内毒素：

Not test

生物活性：

/

基因名：

N/A

Uniprot No.：

G9I929

别名：

; Kunitz-type neurotoxin MitTx-alpha

种属：

Micrurus tener tener (Texas coral snake)

蛋白长度：

Full Length of Mature Protein

来源：

E.coli

分子量：

23.1 kDa

表达区域：

25-84aa

氨基酸序列：

QIRPAFCYEDPPFFQKCGAFVDSYYFNRSRITCVHFFYGQCDVNQNHFTTMSECNRVCHG

蛋白标签：

N-terminal 6xHis-SUMO-tagged

产品提供形式：

Liquid or Lyophilized powder

缓冲液：

If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.

储存条件：

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.

保质期：

The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.

货期：

13-23 business days

注意事项：

Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.

功能1：

This heterodimeric toxin potently activates mouse acid-sensing ion channel ASIC1/ACCN2 expressed in Xenopus oocytes. Both alternatively spliced isoforms ASIC1a and ASIC1b are activated, with a higher potency for ASIC1a (EC(50)=9.4 nM) vs ASIC1b (EC(50)=23 nM). The ASIC3/ACCN3 subtype is also sensitive to the heterodimer, but with a lower potency (EC(50)=830 nM). On ASIC2a/ACCN1, the toxin shows a very weak activation, but produces a rarkable potentiation (>100-fold) of protons when the Extracellular domain pH drops below neutrality. The toxin interacts with the Extracellular domain region of the channel, since responses are only observed in the outside-out configuration. In vivo, the heterodimer elicits robust pain-related behavior in mice by activation of ASIC1/ACCN2 channels on capsaicin-sensitive nerve fibers.

功能2：

MitTx, a heteromeric complex between Kunitz- and phospholipase-A2-like proteins, potently, persistently and selectively activates rat and chicken acid-sensing ion channel ASIC1

文献：

A heteromeric Texas coral snake toxin targets acid-sensing ion channels to produce pain.Bohlen C.J., Chesler A.T., Sharif-Naeini R., Medzihradszky K.F., Zhou S., King D., Sanchez E.E., Burlingame A.L., Basbaum A.I., Julius D.Nature 479:410-414(2011)

研究领域：

Others

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