>sp|Q1ZYL8-3|IZUM4_HUMAN Isoform 3 of Izumo sperm-egg fusion protein 4 OS=Homo sapiens OX=9606 GN=IZUMO4 MALLLCLVCLTAALAHGCLHCHSNFSKKFSFYRHHVNFKSWWVGDIPVSGALLTDWSDDT MKELHLAIPAKITREKLDQVATAVYQMMDQLYQGKMYFPGYFPNELRNIFREQVHLIQNA IIERHLAPGSWGGGQLSREGPSLAPEGSMPSPRGDLP