SRY GI:4507225 sex determining region Y 1 mqsyasamls vfnsddyspa vqenipalrr sssflctesc nskyqcetge 50 51 nskgnvqdrv krpmnafivw srdqrrkmal enprmrnsei skqlgyqwkm 100 101 lteaekwpff qeaqklqamh rekypnykyr prrkakmlpk ncsllpadpa 150 151 svlcsevqld nrlyrddctk athsrmehql ghlppinaas spqqrdrysh 200 201 wtkl