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Merck

U5382

Sigma-Aldrich

泛素 人

≥95% (SDS-PAGE), recombinant, expressed in E. coli (N-terminal FLAG® tagged), lyophilized powder

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About This Item

CAS号:
MDL號碼:
分類程式碼代碼:
41106500
NACRES:
NA.32

生物源

human

品質等級

重組細胞

expressed in E. coli (N-terminal FLAG® tagged)

化驗

≥95% (SDS-PAGE)

形狀

lyophilized powder

分子量

10 kDa

技術

mass spectrometry (MS): suitable

溶解度

0.05 M Tris pH 7.5: ≥10 mg/mL, clear to slightly hazy, colorless
0.05 M Tris pH 7.5: ≥10 mg/mL

UniProt登錄號

儲存溫度

−20°C

基因資訊

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一般說明

泛素是一种高度保守的球蛋白,表面有赖氨酸。C末端包含Leu-Arg-Gly-Gly结构基序。
Research Area: CANCER
Ubiquitin is a highly conserved protein composed of 76 amino acids, and it is expressed universally in all eukaryotes, ranging from yeast to humans.

應用

N端FLAG标签泛素可取代泛素,用于形成多聚泛素-蛋白结合物。FLAG标签可用于在抗-FLAG亲和柱上分离和富集蛋白结合物,以及在蛋白免疫印迹法中通过抗-FLAG抗体检测结合物。
人泛素可用作质谱的标准品。
人类泛素已用于酵母增殖细胞核抗原(PCNA)的单泛素化 和有丝分裂阻滞1(Dma1)缺陷的体外泛素化测定

生化/生理作用

泛素是存在于真核细胞组织中的小调节蛋白。外源性泛素可刺激许多细胞系中的细胞凋亡。 人乳头瘤病毒-16的E7蛋白可通过泛素-蛋白酶体途径刺激视网膜母细胞瘤蛋白的降解。
泛素通过其C末端甘氨酸残基的ε-氨基与蛋白质的赖氨酸残基相互作用。与泛素相互作用的蛋白质通过一个三步过程进行单泛素化(mono-ubiquitination)或多单泛素化(multi-mono-ubiquitination)。泛素化调节细胞内运输和蛋白质降解,并且该途径的失衡与疾病有关。
Ubiquitin-mediated proteolysis plays an important role in several basic cellular processes including regulation of cell cycle and division, differentiation and development, modulation of cell-surface receptors, the secretory pathway (protein transport), morphogenesis of neuronal networks, transcriptional regulation and signal transduction, transcriptional silencing, DNA repair, long-term memory, and circadian rhythms.

包裝

包装尺寸基于蛋白质含量

準備報告

人泛素可以以10.00-11.00mg/ml的浓度溶解在0.05M Tris-HCl中,得到澄清至轻微浑浊的无色溶液。

法律資訊

FLAG is a registered trademark of Merck KGaA, Darmstadt, Germany

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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