SPAG16 GI:70887780 sperm associated antigen 16 isoform 2 1 maaqrgmpss avrvleealg mgltaagdar dtadavaaeg ayyleqvtit 50 51 easeddyeye eipddnfsip egeedlakai qmaqeqatdt eilerktvlp 100 101 skhavpevie dflcnflikm gmtrtldcfq sewyeliqkg vtelrtvgnv 150 151 pdvytqimll enenknlkkd lkhykqaaey vif