These results indicate that the somatic hypermutation mechanism active in GC B cells physiologically targets non-Ig sequences .
these results indicate that the somatic hypermutation mechanism active in gc b cells physiologically targets non-ig sequences .
O O O O O B-other_name I-other_name O O O B-cell_type I-cell_type I-cell_type O O B-DNA_domain_or_region I-DNA_domain_or_region O