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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
儲存溫度
−20°C
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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.
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)
The ubiquitin-proteasome pathway and the regulation of growth hormone receptor availability
Strous, Ger J and van Kerkhof, Peter
Molecular and cellular endocrinology, 143-151 (2002)
David Komander
Biochemical Society transactions, 37(Pt 5), 937-953 (2009-09-17)
Protein ubiquitination and protein phosphorylation are two fundamental regulatory post-translational modifications controlling intracellular signalling events. However, the ubiquitin system is vastly more complex compared with phosphorylation. This is due to the ability of ubiquitin to form polymers, i.e. ubiquitin chains
Ana Camara-Artigas et al.
Acta crystallographica. Section F, Structural biology communications, 72(Pt 1), 29-35 (2016-01-12)
Ubiquitin is a small globular protein that has a considerable number of lysine residues on its surface. This results in a high surface entropy that precludes the formation of crystal-packing interactions. To date, only a few structures of the native
The ubiquitin-proteasome pathway and the regulation of growth hormone receptor availability
Strous, Ger J and van Kerkhof, Peter
Molecular and Cellular Endocrinology, 143-151 (2002)
Regulation of NF-kappaB by ubiquitination
Chen J and Chen ZJ
Current Opinion in Immunology, 4-12 (2013)
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