Article
Topoisomerase activity of the hyperthermophilic replication initiator protein Rep75.
Nucleic acids research - 1 Jun 2000
Marsin S, Marguet E, Forterre P
Abstract excerpt
The plasmid pGT5 from the hyperthermophilic archaeon Pyrococcus abyssi replicates via the rolling circle mechanism. pGT5 encodes the replication initiator protein Rep75 that exhibits a nicking-closing (NC) activity in vitro on single-stranded oligonucleotides containing the pGT5 double-stranded origin (dso) sequence. Some mesophilic Rep proteins present site-specific DNA topo-isomerase-like activity on a...
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