1. 重组蛋白
  2. Receptor Proteins Enzymes & Regulators
  3. Receptor Tyrosine Kinases Protein Tyrosine Kinases
  4. Trk Receptors TrkA
  5. TrkA 蛋白, Rat (HEK293, Fc)

TrkA 蛋白, Rat (HEK293, Fc)

目录号: HY-P73459
产品使用指南

TrkA 蛋白是一种受体酪氨酸激酶,对于中枢和周围神经系统发育、调节神经元增殖、分化和存活至关重要。作为一种高亲和力 NGF 受体,TrkA 在配体结合后发生同二聚化和自磷酸化,激活下游效应器(SHC1、FRS2、SH2B1、SH2B2、PLCG1)级联。TrkA 蛋白, Rat (HEK293, Fc) 是重组的 TrkA 蛋白,由 HEK293 表达,带有 C-hFc 标签。

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描述

The TrkA protein is a receptor tyrosine kinase that is critical in central and peripheral nervous system development, regulating neuronal proliferation, differentiation, and survival. As a high-affinity NGF receptor, TrkA undergoes homodimerization and autophosphorylation upon ligand binding, activating downstream effectors (SHC1, FRS2, SH2B1, SH2B2, PLCG1) cascade. TrkA Protein, Rat (HEK293, Fc) is the recombinant rat-derived TrkA protein, expressed by HEK293 , with C-hFc labeled tag.

研究背景

TrkA 蛋白是一种受体酪氨酸激酶,通过调节交感神经元和感觉神经元的增殖、分化和存活,在中枢和周围神经系统的发育和成熟中发挥着至关重要的作用。作为 NGF(其主要配体)的高亲和力受体,TrkA 也可以被 NTF3/neurotropin-3 激活,尽管 NTF3 通过 NTRK1 特异性支持轴突延伸而不影响神经元存活。在二聚体 NGF 配体结合后,TrkA 经历同二聚化、自磷酸化和激活,随后招募、磷酸化和/或激活下游效应子,例如 SHC1、FRS2、SH2B1、SH2B2 和 PLCG1。这些效应器调节不同但重叠的信号级联,指导细胞存活和分化。通过 SHC1 和 FRS2,TrkA 激活控制细胞分化和存活的 GRB2-Ras-MAPK 级联,而通过 PLCG1,它调节 NF-Kappa-B 激活和对细胞存活至关重要的基因转录。此外,通过 SHC1 和 SH2B1,TrkA 控制 Ras-PI3 激酶-AKT1 信号级联,进一步促进细胞存活的调节。在没有配体和激活的情况下,TrkA 可能促进细胞死亡,强调神经元存活对营养因子的依赖性。

种属

Rat

表达系统

HEK293

标签

C-hFc

蛋白编号

P35739-1 (A33-P418)

基因 ID
蛋白结构
N-term
TrkA (A33-P418)
Accession # P35739-1
hFc
C-term
同用名
High affinity nerve growth factor receptor; Trk-A; NTRK1; MTC; TRK
分子量

92-102 kDa

纯度

Greater than 95% as determined by reducing SDS-PAGE

内毒素含量

<1 EU/μg, determined by LAL method.

文件资料
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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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

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

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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产品名称:
TrkA Protein, Rat (HEK293, Fc)
目录号:
HY-P73459
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