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Epigenetics |
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Epigenetics>【Zymo】 |
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5-hmC Glucosyltransferase---5'羟甲基转移酶
About 5-hmC Glucosyltransferase
5-hmC Glucosyltransferase from Zymo Research is a highly active enzyme that specifically tags 5-hydroxymethylcytosine in DNA with a glucose moiety yielding glucosyl-5-hydroxymethylcytosine (Figure 1).

Figure 1: 5-hmC Glucosyltransferase transfers a glucose moeity from uridine diphosphoglucose (UDPG) onto preexisting 5-hydroxymethylcytosines within DNA.
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Glucosylation of 5-hydroxymethylcytosine by 5-hmC Glucosyltransferase can be used for sequence specific and locus specific (see Cat. Nos. D5410 & D5411), as well as global quantification of 5-hydroxymethylcytosine.
Applications |
• Used in method for sequence and locus specfic detection of 5-hydroxymethylcytosine within DNA
• Global quantification of 5-hydroxymethylcytosine |
Storage |
5-hmC Glucosyltransferase is guaranteed for 12 months at -20°C. Long term storage at -80°C is recommended. Avoid multiple freeze thawing. |
Unit Definition |
One unit (1 U) is defined as the amount of enzyme needed to “protect” 1µg of 5hmC DNA Standard [D5405-3] from GlaI digestion via glucosylation in a reaction incubate at 30°C for 1 hour. |
Standard Reaction Setup |
Reagent |
Volume |
DNA [100ng/µl] |
10 µl |
10x 5hmC GT Reaction Buffer |
5 µl |
10xUDPG [1mM] |
5 µl |
5hmC GT Enzyme |
2 µl |
ddH2O |
28 µl |
Total Volume |
50 µl |
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Enzyme Concentration |
2 units/µl |
Specific modification of 5-hydroxymethylcytosine with glucose moiety
5-hmC Glucosyltransferase (100 U) |
100 units |
E2026 |
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5-hmC Glucosyltransferase (200 U) |
200 units |
E2027 |
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表观遗传学产品全面解决方案列下:
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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。 |
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