>sp|Q9Y4P9|SPEF1_HUMAN Sperm flagellar protein 1 OS=Homo sapiens GN=SPEF1 MASSVDEEALHQLYLWVDNIPLSRPKRNLSRDFSDGVLVAEVIKFYFPKMVEMHNYVPAN SLQQKLSNWGHLNRKVLKRLNFSVPDDVMRKIAQCAPGVVELVLIPLRQRLEERQRRRKQ GAGSLQELAPQDGSGYMDVGVSQKARGEGVPDPQGGGQLSWDRPPAPRPPAYNRALQGDP SFVLQIAEKEQELLASQETVQVLQMKVRRLEHLLQLKNVRIEDLSRRLQQAERKQR