<Table> <Tr> <Td> </Td> <Td> It has been suggested that CcdB protein be merged into this article . (Discuss) Proposed since December 2016 . </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> It has been suggested that CcdB protein be merged into this article . (Discuss) Proposed since December 2016 . </Td> </Tr>

Cell killing by the f plasmid ccdb protein involves poisoning of dna-topoisomerase ii complexes