结合液 B-3 货号:E-37482
Binding Buffer B-3
背景资料:The Gelshift Chemiluminescent EMSA Assay Kit provides a simple, non-radioactive assay to identify protein-DNA binding with proven reagents. In this electrophoretic mobility shift assay (EMSA), cell extracts or purified factors are incubated with biotin end-labeled probe containing the consensus binding site of interest. Samples in which the protein of interest bound the target DNA will migrate slower than DNA alone resulting in a "shift" of the labeled DNA band. For complete details, click the EMSA Method tab below.
产品描述:
Gelshift Chemiluminescent EMSA Assay Kit
The Gelshift Chemiluminescent EMSA Assay Kit includes all the reagents needed to study protein-DNA binding for your sample system. The kit also includes biotin-labeled and unlabeled control DNA and control nuclear extract. Click the Gel Shift tab below for data and more information; kit manuals can be downloaded under the Documents tab.
产品应用:
Make your own Gelshift / Supershift Assay using our specialized buffers
For those that wish to make their own Gel shift / Supershift Assay, we offer specialized binding buffers with differing properties to best fit the transcription factor you are interested in. These buffers are not used in the Gelshift Chemiluminescent EMSA Assay Kit.
产品使用:
Gelshift Chemiluminescent EMSA Method
The Gelshift Chemiluminescent EMSA Kit provides a non-radioactive method to detect DNA-protein interactions. In this method, cell extracts or purified factor are incubated with a biotin 3' or 5' end-labeled DNA probe containing the consensus binding site of interest. Samples are then resolved by electrophoresis on a native polyacrylamide gel and transferred to a nylon membrane. The biotin end-labeled DNA probe is detected using streptavidin conjugated to horseradish peroxidase (HRP) and a chemiluminescent substrate. Samples in which the protein of interest bound the target DNA will migrate slower than DNA alone resulting in a "shift" of the labeled DNA band.
温度保存:
Lyophilized proteins can be stored at -20°C or -80°C, preferably desiccated. Recombinant proteins in solution are temperature sensitive and must be stored at -80°C to prevent degradation. Avoid repeated freeze/thaw cycles and keep on ice when not in storage.
定购信息:
表观遗传学产品全面解决方案列下:
推荐阅读:
关于5-hmC
5-hmC是近年来在动物组织中发现的,由胞嘧啶修饰而来。5-hmC在表观遗传学上的功能可能与5-甲基化胞嘧啶(5-mC)不同。尽管到现在为止还不确知其功能,有研究者猜测它在调控基因的表达与关闭过程中起着重要的作用。5-mC的发现让我们不得不重新评估DNA甲基信息,也不得不监测人类的健康组织和病理组织之间5-mC相对分布的差异。在EPI公司的MethylFlash技术之前,我们还没有发现任何直接的常规方法来检测5- hmC,以及区分5-hmC和5-mC
5-hmC 和 5-mC的区别
时下常用的DNA甲基化分析方法包括限制内切酶酶切和亚硫酸氢盐或MeDIP介导的MS-PCR和测序,这些技术都不适合用来检测5-hmC,因为它与5-mC事实上很难用这类方法区分开来。为了解决这个问题,EPIk研制了MethylFlash羟甲基化DNA定量试剂盒(荧光法)。本试剂盒提供了一种很经济的方法来检测5-羟甲基化胞嘧啶,并且区分5-hmC, 5-mC, 和 C,使得研究者能够重新评估他们的DNA甲基化信息,也能够在新样品中寻找DNA羟甲基化。 |