A missense mutation in the region coding for the cytoplasmic portion of the gamma c gene was found in three affected males but not in a normal brother .
a missense mutation in the region coding for the cytoplasmic portion of the gamma c gene was found in three affected males but not in a normal brother .
O O O O O O O O O B-other_name I-other_name O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O O