Second , a glutathione -S-transferase ( GST ) affinity-binding assay showed that the interaction of holo- TFIIA with GST- Tax was 20-fold higher than that observed with either the GST- Tax M32 activation mutant or the GST control .
second , a glutathione -s-transferase ( gst ) affinity-binding assay showed that the interaction of holo- tfiia with gst- tax was 20-fold higher than that observed with either the gst- tax m32 activation mutant or the gst control .
O O O B-peptide O O B-protein_molecule O O O O O O O O O B-protein_molecule O B-protein_molecule B-protein_molecule O O O O O O O O O B-protein_molecule B-protein_molecule B-protein_molecule O O O O O O O