>tr|A0A140VKA8|A0A140VKA8_HUMAN Testis secretory sperm-binding protein Li 235P OS=Homo sapiens GN=ATP6V1E2 MALSDVDVKKQIKHMMAFIEQEANEKAEEIDAKAEEEFNIEKGRLVQTQRLKIMEYYEKK EKQIEQQKKILMSTMRNQARLKVLRARNDLISDLLSEAKLRLSRIVEDPEVYQGLLDKLV LQGLLRLLEPVMIVRCRPQDLLLVEAAVQKAIPEYMTISQKHVEVQIDKEAYLAVNAAGG VEVYSGNQRIKVSNTLESRLDLSAKQKMPEIRMALFGANTNRKFFI