详细描述: |
<span style="font-family: 微软雅黑;">介绍:</span> <p style="padding: 0px; margin: 0px; border: none; list-style-type: none; font-family: 微软雅黑;"> <table style="padding: 0px; margin: 0px; font-size: 12px; text-indent: 0px; border-spacing: 0px; border-collapse: collapse; font-family: 'Microsoft Yahei', 'Lucida Grande', tahoma, arial, 宋体; color: #222222; width: 750px;" border="0" align="left"> <tbody style="padding: 0px; margin: 0px;"> <tr style="padding: 0px; margin: 0px;"> <td style="padding: 0px; margin: 0px;" colspan="2" align="left" valign="top" height="50">核酸外切酶I(<strong style="padding: 0px; margin: 0px;">Exonuclease I</strong>)具有从3’-5’方向降解单链 DNA 的外切酶活性,能够逐步释放脱氧核糖核酸5'单磷酸,并留下完整的5'端二核苷酸。该酶来源于携带有E. coli exo I 基因的质粒,经重组表达纯化而得。<strong style="padding: 0px; margin: 0px;">Exonuclease I</strong>多用于PCR扩增后降解消化引物,该酶对于双链DNA和磷酰或乙酰基团封闭的3’OH末端DNA链无活性。</td> </tr> </tbody> </table> |