There is a Corrigendum (June 2007) associated with this News and Views.
FtsK: a groovy helicase
Terence R Strick & Audrey Quessada-Vial
Terence R. Strick and Audrey Quessada-Vial are at the Biomolecular Nanomanipulation Laboratory, Institut Jacques Monod, Centre National de la Recherche Scientifique, 2 Place Jussieu, 75251 Paris Cedex 05, France. strick@ijm.jussieu.fr
Recent additions to the helicase family include motor proteins that do not actually unwind DNA, but rather translocate it. By sensing short polar sequences that orient the bacterial chromosome, the FtsK helicase translocates DNA so as to align the termini of replicated chromosomes with each other, facilitating the late stages of chromosome segregation.
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