Excess beta-catenin can squelch reporter gene activation by LEF-1 -beta-catenin complexes but not activation by the transcription factor VP16 .
excess beta-catenin can squelch reporter gene activation by lef-1 -beta-catenin complexes but not activation by the transcription factor vp16 .
O B-protein_molecule O O O O O O B-protein_molecule B-protein_molecule O O O O O O B-protein_family_or_group I-protein_family_or_group B-protein_molecule O