Guangsen Fu

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DNA gyrase is an indispensible marvelous molecular machine in manipulating the DNA topology for the prokaryotes. In the 'two-gate' mechanism of DNA topoisomerase, T-segment navigation from N- to DNA-gate is a critical step, but the structural basis supporting this scheme is unclear. The crystal structure of DNA gyrase B' subfragment from Mycobacterium(More)
Recent studies suggested an essential role for seryl-tRNA synthetase (SerRS) in vascular development. This role is specific to SerRS among all tRNA synthetases and is independent of its well-known aminoacylation function in protein synthesis. A unique nucleus-directing domain, added at the invertebrate-to-vertebrate transition, confers this novel(More)
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