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形狀
lyophilized powder
比活性
≥900 units/mg protein
分子量
tetramer 440 kDa
成份
Protein, ≥10%
溶解度
H2O: soluble 10 mg/mL
應用
diagnostic assay manufacturing
儲存溫度
−20°C
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應用
BChE活性的选择性抑制可用于对有机磷酸酯的检测。 其在有机磷酸酯毒性治疗中的用途已有探究。据报道，人血中BChE的水平与对潜在毒性神经毒剂的防护程度有关。 胆碱酯酶在阿尔茨海默病中的作用也已有研究。
生化／生理作用
丁酰胆碱酯酶 (BChE) 是一种丝氨酸水解酶，结构与乙酰胆碱酯酶 (AChE) 相似，但底物特异性和抑制剂敏感性不同。与 AChE 不同，BChE 能有效地水解较大的胆碱酯，如丁酰胆碱和苯甲酰胆碱。该酶是一种四聚体糖蛋白，具有 4 个相等的亚单位（各 110 kDa）。该酶可被 Ca 2 + 和 Mg 2 + 激活，在 pH 6.0-8.0 范围内活性恒定。可被甜菜碱、尼古丁、有机磷酸盐和氨基甲酸酯抑制。
單位定義
在pH8.0，37℃条件下，一个单位每分钟可将1.0μmole丁酰胆碱水解为胆碱和丁酸盐。使用丁酰胆碱作为底物获得的活性是使用乙酰胆碱作为底物所获得的活性的约2.5倍。
外觀
高度纯化；含有缓冲盐
分析報告
双缩脲法蛋白测定
訊號詞
Danger
危險聲明
危險分類
Resp. Sens. 1
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)
其他客户在看
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Beattie PD, et al.
Analytical Chemistry, 66(1), 52-57 (1994)
R M Blong et al.
The Biochemical journal, 327 ( Pt 3), 747-757 (1998-05-15)
Butyrylcholinesterase (BChE) in human serum consists predominantly of tetramers. Recombinant BChE, however, expressed in Chinese hamster ovary (CHO) cells, consists of approx. 55% dimers, 10-30% tetramers and 15-40% monomers. To determine the origin of the monomer species we added the
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