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- 保存条件:-20℃
Sulfo-MBS
Sulfo-MBS (进口，偶联剂)
规格: 5mg，10mg
保存: -20℃保存
产品描述:
Sulfo-MBS (m-maleimidobenzoyl-N-hydroxysulfosuccinimide ester)
MBS and its water-soluble analog Sulfo-MBS are heterobifunctional crosslinkers that contain N-hydroxysuccinimide (NHS) ester and maleimide groups that allow covalent conjugation of amine- and sulfhydryl-containing molecules. NHS esters react with primary amines at pH 7-9 to form amide bonds, while maleimides react with sulfhydryl groups at pH 6.5-7.5 to form stable thioether bonds. In aqueous solutions, hydrolytic degradation of the NHS ester is a competing reaction whose rate increases with pH. The maleimide group is more stable than the NHS-ester group but will slowly hydrolyze and also lose its reaction specificity for sulfhydryls at pH values > 7.5. For these reasons, conjugation experiments involving these crosslinkers are usually performed at pH 7.2-7.5, with the NHS-ester (aminetargeted) reaction being accomplished before or simultaneously with the maleimide (sulfhydryl-targeted) reaction.
产品性质：
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