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Members of the RecQ family of DNA helicases from E.coli, S.cerevisiae, S.pombe, C.elegans, X.laevis and H.sapiens. The size of each protein in amino acids is shown on the right and the regions corresponding to the helicase domain, and conserved regions RQC and HRDC are indicated and shown in the key below the figure. The NLS and exonuclease regions unique to the mammalian orthologs are also indicated.
