3F8T:
reference: Insights into the Architecture of the Replicative Helicase from the Structure of an Archaeal MCM Homolog., Bae B, Chen YH, Costa A, Onesti S, Brunzelle JS, Lin Y, Cann IK, Nair SK, Structure. 2009 Feb 13;17(2):211-22. PMID: 19217392

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