An A-to-G transition was detected which leads to an exchange of a tyrosine by a cysteine in the SRY protein .
an a-to-g transition was detected which leads to an exchange of a tyrosine by a cysteine in the sry protein .
O B-other_name I-other_name O O O O O O O O O B-amino_acid_monomer O O B-amino_acid_monomer O O B-DNA_domain_or_region O O