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VWA_Midasin: Midasin is a member of the AAA ATPase family. The proteins of this family are unified by their common archetectural organization that is based upon a conserved ATPase domain. The AAA domain of midasin contains six tandem AAA protomers. The AAA domains in midasin is followed by a D/E rich domain that is following by a VWA domain. The members of this subgroup have a conserved MIDAS motif. The function of this domain is not exactly known although it has been speculated to play a crucial role in midasin function.