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商品編號


LS001632



品牌


Worthington



公司


Worthington Biochemical Corporation



公司分類(lèi)


Products



Size

4 ku

商品信息
Cholinesterase, ButyrylSource: Horse SerumA lyophilized powder.Store at 2-8°C.≥4 units per mg dry weight
Source:
Horse Serum
I.U.B.: 3.1.1.8
Butyrl Cholinesterase catalyzes the hydrolysis of a number of choline esters according to the following reaction:
Acylcholine + H
2
O?→ choline + acid
It is a tetrameric glycoprotein with four subunits of equal size, each having a molecular weight of 110 kDa. Butyryl cholinesterase hydrolyzes butyrylcholine four times more rapidly than acetylcholine. Unlike acetyl cholinesterase, it does not hydrolyze D-≥-methyl acetylcholine. It is inhibited by 10
-5
M physostigmine, numerous organophosphate esters, the carbamate derivates and quaternary ammonium salts.
St
ABI
lity/Storage:
Stable for 2 years at 2-8°C. Store at 2-8°C.
Unit Definition:
1 unit hydrolyzes 1≥mole of acetylchoine per minute at 25°C, pH 7.4.