天净沙HECT型E3泛素转移酶活性测定试剂盒产品图片
天净沙HECT型E3泛素转移酶活性测定试剂盒产品图片

天净沙HECT型E3泛素转移酶活性测定试剂盒

英文名:Skygen HECT-Type E3 Ubiquitin Transferase Assay Kit
别名:HECT E3 Ligase (Misleading); Ubiquitin Transferase HECT-E3; S-Ubiquitinyl-[HECT-Type E3-Ubiquitin Transferase]-L-Cysteine:acceptor Protein Ubiquitin Transferase (Isopeptide Bond-Forming)
产品编号:7-EC2.3.2.26
保存温度:-20℃
运输温度:Cold
货号 规格 货期 目录价
7-EC2.3.2.26 100 T 3-4 Weeks

产品内容

本酶催化的反应为[E2 Ubiquitin-Conjugating Enzyme]-S-Ubiquitinyl-L-Cysteine + [Acceptor Protein]-L-Lysine = [E2 Ubiquitin-Conjugating Enzyme]-L-Cysteine + [Acceptor Protein]-N6-Ubiquitinyl-L-Lysine (Overall Reaction);;(1a) [E2 Ubiquitin-Conjugating Enzyme]-S-Ubiquitinyl-L-Cysteine + [HECT-Type E3 Ubiquitin Transferase]-L-Cysteine = [E2 Ubiquitin-Conjugating Enzyme]-L-Cysteine + [HECT-Type E3 Ubiquitin Transferase]-S-Ubiquitinyl-L-Cysteine;;(1b) [HECT-Type E3 Ubiquitin Transferase]-S-Ubiquitinyl-L-Cysteine + [Acceptor Protein]-L-Lysine = [HECT-Type E3 Ubiquitin Transferase]-L-Cysteine + [Acceptor Protein]-N6-Ubiquitinyl-L-Lysine,系统名称为[E2 Ubiquitin-Conjugating Enzyme]-S-Ubiquitinyl-L-Cysteine:[acceptor Protein] Ubiquitin Transferase (Isopeptide Bond-Forming),第一步,该酶将泛素从E2泛素结合酶(EC 2.3.2.23)转移到其HECT结构域(位于C端区域)中的半胱氨酸残基上,形成硫酯键。随后,该酶将泛素转移到受体蛋白上,在泛素C端甘氨酸残基与受体蛋白L-赖氨酸残基的ε-氨基之间形成异肽键。参见 EC 2.3.2.27,RING型E3泛素转移酶和 EC 2.3.2.31,RBR型E3泛素转移酶。
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