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Concerning the "but"

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"DEAD box proteins are considered to be RNA helicases, but many have been found to be required in other cellular processes such [...] I don't think that their action as helicases stands in conflict with their cellular processes. I will change the "but" to "and". -- 07:20, 19 July 2010 (UTC) —Preceding unsigned comment added by 132.187.27.177 (talk)