1. 重组蛋白
  2. Cytokines and Growth Factors
  3. Pleiotrophin 蛋白, Human

多效蛋白是一种分泌性生长因子,通过细胞表面蛋白聚糖和非蛋白聚糖受体发出信号,影响多种细胞过程。它与硫酸软骨素 (CS) 基团结合,调节增殖、存活和分化,并抑制神经元的长期突触增强。Pleiotrophin 蛋白, Human 是重组的 多效蛋白,由 E. coli 表达,不带标签。Pleiotrophin 蛋白, Human 全长 136 个氨基酸,分子量约为 ~15.3 kDa。

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Pleiotrophin Protein, Human 相关产品:

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描述

Pleiotrophin is a secreted growth factor that signals through cell surface proteoglycan and non-proteoglycan receptors to influence a variety of cellular processes. It binds to chondroitin sulfate (CS) groups, regulates proliferation, survival and differentiation, and inhibits long-term synaptic potentiation of neurons. Pleiotrophin Protein, Human is the recombinant human-derived Pleiotrophin protein, expressed by E. coli , with tag free. The total length of Pleiotrophin Protein, Human is 136 a.a., with molecular weight of ~15.3 kDa.

研究背景

多效蛋白是一种分泌性生长因子,可通过细胞表面蛋白聚糖和非蛋白聚糖受体转导其信号。它与细胞表面蛋白聚糖受体的硫酸软骨素 (CS) 基团结合,调节各种组织(包括神经元和骨骼)中的细胞增殖、存活、生长、分化和迁移等过程。多效蛋白还通过抑制长期突触增强,在突触可塑性和学习相关行为中发挥着至关重要的作用。通过与 PTPRZ1 结合,多效蛋白中和 CS 链的负电荷,诱导 PTPRZ1 聚集并使其磷酸酶活性失活,导致 PTPRZ1 底物(如 ALK、CTNNB1 或 AFAP1L2)的酪氨酸磷酸化增加,从而激活 PI3K-AKT 通路。它与 PTPRZ1 和整合素 α-V/β-3 形成复合物,刺激内皮细胞迁移。在成年海马体中,多效蛋白通过激活 AKT 信号通路,通过 ALK 促进新生颗粒神经元的树突分枝、脊柱发育和功能整合。此外,它还与 GPC2、SDC3 和其他受体相互作用,介导与骨形成、神经干细胞增殖和分化、造血再生以及女性生殖系统和听觉反应中的各种生理过程相关的多种功能。复杂的相互作用网络强调了多效蛋白在细胞和组织水平调节机制中的多方面作用。

种属

Human

表达系统

E. coli

标签

Tag Free

蛋白编号

P21246 (G33-D168)

基因 ID
蛋白结构
N-term
Pleiotrophin (G33-D168)
Accession # P21246
C-term
中文名
Pleiotrophin 蛋白
同用名
HARP; HB-GAM; HBBM; HBGAM; HBGF-8; HBGF8; HBNF; HBNF-1; HBNF1; heparin affin regulatory protein; Heparin binding growth associated molecule; Heparin binding growth factor 8; Heparin binding neurite outgrowth promoting factor 1; Heparin-binding brain mitogen; Heparin-binding growth factor 8; Heparin-binding growth-associated molecule; heparin-binding neurite outgrowth promoting factor; Heparin-binding neurite outgrowth-promoting factor 1; NEGF1; Neurite growth promoting factor 1; Neurite outgrowth-promoting factor; heparin-binding; OSF-1; OSF1; Osteoblast-specific factor 1; pleiotrophin heparin binding growth factor 8; neurite growth-promoting factor 1; Pleiotrophin; PTN; PTN_HUMAN
氨基酸序列

GKKEKPEKKVKKSDCGEWQWSVCVPTSGDCGLGTREGTRTGAECKQTMKTQRCKIPCNWKKQFGAECKYQFQAWGECDLNTALKTRTGSLKRALHNAECQKTVTISKPCGKLTKPKPQAESKKKKKEGKKQEKMLD

预测分子量
15.31 kDa
分子量

Approximately 18 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

Pleiotrophin Protein, Human 相关分类

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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Pleiotrophin Protein, Human
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