Required for male fertility. Plays a role in pollen tube guidance and successful gamete attachment. Essential for the fusion of gametes during double fertilization, where one male gamete fuses with the egg to produce a zygote, and another male gamete fuses with the central cell to produce the endosperm. Mediates the fusion of cell membranes. Not required for pollen tube outgrowth.

Belongs to the HAP2/GCS1 family.

714 amino acids

MAPRRRRRAARSSRPLLLALLAAAVNNFAPAGGVEVLAKSRLESCARGGSDDGRDRLTCDSKIVVDLAVPSGSASLVARVAEVEENGTEAGEMPIRDPLIITINKSEVYALYDLTYLRDVAYKPEEKFVKTRKCEPEAGANVVKSCERLRDEKGSIIEHTEPVCCPCGPHRRVPSSCGNILDKVAKGKANTAHCLRFPDDWFHVFDIGRRSLWFSIRVQVKKGSSESEVIVGPENRTVVSEDSSLRVNLVGDFAGYTSLPSLENFYLVTPRKGVGGGQLEVLGDDFSRWMLLERVLFTLDGLECNKIGVGYEAFRSQPNFCSSPLDSCLGDQLSKFWEIDKNRVNNSQPPQYVVLGKFERINQYPNAGVHTFSVGIPEVLNTNLMIELSADDIEYVYQRSSGKIISINISSFEALSQVGSARVKTKNIGRLEASYSLTFDCLSGINPVEEQYFIMKPDEKLIRTFDLRSSTDQASNYTCQAILKASDFSELDRKESQFSTTATVLNNGTQIGSSENHTKGGIWGFFEAIKAWCAKMWHMLINFFTGTTCSTRCWSFLKFVIHGLLLVAVLWLLHRKGLFDPLYYWWDGVVGSEAQERARRRHKRAHSHRHSHHHDAHKRHKTELAGHRRHHVLHIHDDDDPVAAAAAAEHVILRRHGRHEAALGVQHRDGLKLNKHRRHGGKAVALLPPGEIIVRDGGGCGGVEHGDRRHHAWH

79.8 kDa

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

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