M F Steinburg

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A protein complex involved in apolipoprotein B (apoB) RNA editing, referred to as AUX240 (auxiliary factor containing p240), has been identified through the production of monoclonal antibodies against in vitro assembled 27S editosomes. The 240-kDa protein antigen of AUX240 colocalized with editosome complexes on immunoblots of native gels. Immunoadsorbed(More)
Site-specific editing of apolipoprotein B (apoB) mRNA by the cytidine deaminase, APOBEC-1 is proposed to require interactions of auxiliary protein(s) with an eleven nucleotide element, the mooring sequence, located 3' of the C --> U editing site. An analysis of the RNA sequence dependence for protein-RNA interactions and editosome assembly in rat liver and(More)
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