26S proteasome subunit 4 homolog B RPT2B At2g20140 26S proteasome regulatory subunit 4 homolog B T2G17.6 The 26S protease is involved in the ATP-dependent degradation of ubiquitinated proteins. The regulatory (or ATPase) complex confers ATP dependency and substrate specificity to the 26S complex. MGQGPSGGLNRQGDRKPDGGEKKEKKFEPAAPPARVGRKQRKQKGPEAAARLPTVTPSTKCKLRLLKLERIKDYLLMEEEFVANQERLKPQEEKAEEDRSKVDDLRGTPMSVGNLEELIDENHAIVSSSVGPEYYVGILSFVDKDQLEPGCSILMHNKVLSVVGILQDEVDPMVSVMKVEKAPLESYADIGGLEAQIQEIKEAVELPLTHPELYEDIGIKPPKGVILYGEPGTGKTLLAKAVANSTSATFLRVVGSELIQKYLGDGPKLVRELFRVADDLSPSIVFIDEIDAVGTKRYDANSGGEREIQRTMLELLNQLDGFDSRGDVKVILATNRIESLDPALLRPGRIDRKIEFPLPDIKTRRRIFQIHTSKMTLAEDVNLEEFVMTKDEFSGADIKAICTEAGLLALRERRMKVTHVDFKKAKEKVMFKKKEGVPEGLYM PRS4B_ARATH 26S proteasome AAA-ATPase subunit RPT2b 443 Regulatory particle triple-A ATPase subunit 2b