These activation domains restored ZEBRA 's ability to induce early antigen and to stimulate origin replication to levels that were equal to or greater than those of wild type .
these activation domains restored zebra 's ability to induce early antigen and to stimulate origin replication to levels that were equal to or greater than those of wild type .
O O O O B-protein_molecule O O O O B-protein_family_or_group I-protein_family_or_group O O O B-other_name I-other_name O O O O O O O O O O O O O O