This inhibition was not mediated through Nef phosphorylation on Thr-15 or GTP -binding activity because mutations in critical sites did not alter this inhibition .
this inhibition was not mediated through nef phosphorylation on thr-15 or gtp -binding activity because mutations in critical sites did not alter this inhibition .
O O O O O O B-protein_molecule O O B-amino_acid_monomer O B-nucleotide O O O B-other_name O O O O O O O O O