The Tax mutants M22 and M47 have previously been demonstrated to selectively abrogate the ability of Tax to activate transcription through the NF-kappaB or CREB/ATF pathway , respectively .
the tax mutants m22 and m47 have previously been demonstrated to selectively abrogate the ability of tax to activate transcription through the nf-kappab or creb/atf pathway , respectively .
O B-protein_molecule O B-protein_molecule O B-protein_molecule O O O O O O O O O O B-protein_molecule O O O O O O O O O O O O