Bacterial Topoisomerase I
《英文msh詞典》Bacterial Topoisomerase I
[入口詞] Bacterial Topoisomerase I
[主題詞] DNA Topoisomerases,Type I,Bacterial
[英文釋義] Bacterial enzymes of the DNA TOPOISOMERASES TYPE I class that catalyze ATP-independent breakage of one of the two strands of DNA,passage of the unbroken strand through the break,and rejoining of the broken strand. These bacterial enzymes reduce the topological stress in the DNA structure by relaxing negatively,but not positively,supercoiled DNA.