
RecA蛋白 - 百度百科
RecA蛋白是一种形如纤维,每次通过最初形成单体进行伸长和收缩活动的蛋白,在修复受损DNA的过程中发挥重要作用。 是recA基因的产物,分子量约38000D,为含4个亚基的四聚体 …
RecA - Wikipedia
RecA is a 38 kilodalton protein essential for the repair and maintenance of DNA in bacteria. [2] . Structural and functional homologs to RecA have been found in all kingdoms of life. [3][4] …
RecA - 百度百科
RecA是大肠杆菌中recA基因座的产物,具有双重功能,能激活蛋白酶并能改变单链DNA分子。 RecA蛋白是一种多功能蛋白质,它参与大肠杆菌所有的同源重组途径,有单体和多聚体两种 …
recA1: RecA is a protein used by E. coli to repair and maintain DNA. RecA1 is an inactivated form of RecA. RecA1 is deficient in all known function of the RecA gene specifically in ATPase …
DH5-Alpha Cell - Wikipedia
DH5-Alpha Cells are E. coli cells engineered by American biologist Douglas Hanahan to maximize transformation efficiency. They are defined by three [1] mutations: recA1, endA1 which help …
求助 recA1 和endA1的作用是什么?为什么在DH5α中他们的突变 …
RecA指的是重组酶活性缺失,重组缺陷型,可减少DNA的非特异性重组,保证进入的质粒的稳定性。 而这两种突变类型只是为了维持质粒稳定性和质粒大量表达没有关系吧? 如有异议,请 …
对recA蛋白功能的负面共抑制作用。recA1,recA13和recA56蛋白 …
recA1,recA13和recA56蛋白质的生化特性以及recA56蛋白质对野生型recA蛋白质功能的活性的体外影响。 我们已经研究了几种表现出无效表型的大肠杆菌突变体recA蛋白的生化特性。 这些 …
Nature:50年谜团终破解!揭示RecA在同源重组中寻找同源DNA …
相关研究结果于2021年9月1日在线发表在Nature期刊上,论文标题为“ RecA finds homologous DNA by reduced dimensionality search ”。 当DNA分子断成两截时,细胞的命运就会受到威胁 …
recA1 - SpringerLink
2016年1月1日 · When M13 vectors carry it, the foreign passenger DNA has fewer deletions. The recA protein mediates the association of double-stranded DNAs by synapsis mainly in the …
Construction of a recombinase-deficient mutant recA protein that ...
1988年6月25日 · The recA1 mutation is a single point mutation that replaces glycine 160 of the recA polypeptide with an aspartic acid residue. The mutant recA1 protein has a greatly …