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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
RT(常温)
- 保质期:
详见标签
- 库存:
100
- 供应商:
上海一基实业有限公司
- CAS号:
17547-09-0
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文献和实验-nitrophenyl和N-hydnxysuccinimide激活酰是常用形式。 甚至,有HOBt时,连接反应也很慢, 此外,Fmoc氨基酸ONSu、酯与succinimido-carbonyl-β-alanine -N-Hydroxysuccinidide酯副产物的形成相关。今天最常用的激活酯是Opfp和Odhbt。有HoBt时反应速度极快,副产物少。 另一方面, 使用象DCC,HBTU,BOP,BOP-Ce,或TBTU活化剂时, 能原位进行许多连接反应。Carbondiimide的直接添加是最佳选择
the photolytic release of Ca2+ by flash photolysis of caged Ca2+ using compounds, such as o -nitrophenyl EGTA, introduced into the cell as the acetoxymethyl (AM) ester (NP-EGTA, AM). This method can be used in both intact and permeabilized cells.
Site-directed hydroxy radical mapping of nucleosome positions in vitro
with the cysteine thiol and there is only a single cysteine (H3 Cys110) in the four Xenopus laevis core histones. The equivalent residue is an alanine in yeast and the alanine can be mutated to cysteine without any known biochemical effect. A popular reagent
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