Required for the cellularization of the syncytial blastoderm embryo. Involved in the localization of the actin filaments just prior to and during plasma membrane invagination. Sry-alpha together with nullo and bnk may provide auxiliary functions, by acting both to stabilize a large and dynamic microfilament structure and regulate its functions. Sry-a Sry-alpha 530 CG17957 Serendipity locus protein alpha SRYA_DROME MEQLLAQLHTCSELIAEGYSSTGNIGWLNEFCATFLDFASDLKARLPEVAPSGANLDVETIFLCLTQVVTCITHLERTISMEAPHMTRQHFLDRLDWCLRRLLVSLTQLEGNVTPVKNLEDHSFVELMDLALDHLDDYMEKLAQQRNNSLHILEESFTEDTYQLASIVNHIVRHALAFANVAIHSDKKALTALCETLLAECATFHEEAGEPNSGHRKLEALSLERALYALESFLNEALLHLLFVSLIDLENASVEKLKDALQRDPAGAQELISAFDTNMDRIQQIGVLAIAFSQDIKTKTIVRSCLASLESLDACIVPALQLPESTSSAHHAEVLQEHFNQELLIFRNVIHEIIDSCSLINNYLDMLGERIHVQDKSHLKLIVQRGGVVVDHFRLPVNYSGLSEDGKRVHKDLILILRECQAVVNLDVPVDPKRIVKRLKILYSVLAKLRDLICRDNLEPDSSVASEAQVPSSATRTFVRSSRSFGKRHRSFVKQTGNCSVFGPQDSLAESGHSESDLISFQITEILRLD