>sp|Q9DA16-3|IZUM2_MOUSE Izumo sperm-egg fusion protein 2 OS=Mus musculus GN=Izumo2 MKACDHKTCHSFKAEVLDCLYCKKTMPKCVKKKYCFEDGQFRMTLKFQDDNKPRNMVLVG DLVTVGLAILTFLVILIAQNRKLLLK