topoisomerase i,bacterial meaning in Chinese

《英文msh词典》Topoisomerase I,Bacterial
[入口词] Topoisomerase I,Bacterial
[主题词] DNA Topoisomerases,Type I,Bacterial
[英文释义] 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.