Involved in sperm-egg adhesion. Upon fertilization sperm must first penetrate a layer of cumulus cells that surrounds the egg before reaching the zona pellucida. The cumulus cells are embedded in a matrix containing hyaluronic acid which is formed prior to ovulation. This protein aids in penetrating the layer of cumulus cells by digesting hyaluronic acid.

Belongs to the glycosyl hydrolase 56 family.

545 amino acids

MGVLKFKHIFFGSAVELSGVFQIVFIFLLIPCCLTANFRAPPVIPNVPFLWAWNAPTEFCLGKSGEPLDMSLFSLFGSPRKNKTGQGITIFYVDRLGYYPYIDPHTGAIVHGRIPQLGPLQQHLTKLRQEILYYMPKDNVGLAVIDWEEWLPTWLRNWKPKDIYRIKSIELVKSQHPQYNHSYATEKAKRDFEKAGKDFMEETLKLGRLLRPNHLWGYYLFPDCYNHHYDKPNLYKGSCFDIEKKRNDDLSWLWKESTALFPSVYLTSRARSATALSKLYVVRNRVHEAIRVSKIPDDKSPLPNFVYTRLVFTDQIFQFLSHHDLVYTIGEIVALGASGIVVWGSQSLARSMKSCLHLDNYMKTILNPYLINVTLAAKMCNQVLCQEQGVCTRKNWNPNDYLHLNPGNFAIQLGSNGTYKVDGKPTLTDLEQFSKNFQCSCYTNLNCKERTDMNNVRTVNVCAVENVCIDTNVGPQAVTYAPKEKKDVAHILSNTTSINSSTTMSLPFPRKHVSGCLLVLCMYSQYLNICYRLVAIGIQHGYYLK

62.4 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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