Function
Binds to four ligands: Spitz, Gurken, Vein and Argos, which is an antagonist. Transduces the signal through the ras-raf-MAPK pathway. Involved in a myriad of developmental decisions. Critical for the proliferation of imaginal tissues, and for the determination of both the antero-posterior and dorso-ventral polarities of the oocyte. In the embryo, plays a role in the establishment of ventral cell fates, maintenance of amnioserosa and ventral neuroectodermal cells, germ band retraction, cell fate specification in the central nervous system and production of cuticle. Required for embryonic epithelial tissue repair.
Sequence
MLLRRRNGPCPFPLLLLLLAHCICIWPASAARDRYARQNNRQRHQDIDRDRDRDRFLYRSSSAQNRQRGGANFALGLGANGVTIPTSLEDKNKNEFVKGKICIGTKSRLSVPSNKEHHYRNLRDRYTNCTYVDGNLKLTWLPNENLDLSFLDNIREVTGYILISHVDVKKVVFPKLQIIRGRTLFSLSVEEEKYALFVTYSKMYTLEIPDLRDVLNGQVGFHNNYNLCHMRTIQWSEIVSNGTDAYYNYDFTAPERECPKCHESCTHGCWGEGPKNCQKFSKLTCSPQCAGGRCYGPKPRECCHLFCAGGCTGPTQKDCIACKNFFDEAVSKEECPPMRKYNPTTYVLETNPEGKYAYGATCVKECPGHLLRDNGACVRSCPQDKMDKGGECVPCNGPCPKTCPGVTVLHAGNIDSFRNCTVIDGNIRILDQTFSGFQDVYANYTMGPRYIPLDPERREVFSTVKEITGYLNIEGTHPQFRNLSYFRNLETIHGRQLMESMFAALAIVKSSLYSLEMRNLKQISSGSVVIQHNRDLCYVSNIRWPAIQKEPEQKVWVNENLRADLCEKNGTICSDQCNEDGCWGAGTDQCLTCKNFNFNGTCIADCGYISNAYKFDNRTCKICHPECRTCNGAGADHCQECVHVRDGQHCVSECPKNKYNDRGVCRECHATCDGCTGPKDTIGIGACTTCNLAIINNDATVKRCLLKDDKCPDGYFWEYVHPQEQGSLKPLAGRAVCRKCHPLCELCTNYGYHEQVCSKCTHYKRREQCETECPADHYTDEEQRECFQRHPECNGCTGPGADDCKSCRNFKLFDANETGPYVNSTMFNCTSKCPLEMRHVNYQYTAIGPYCAASPPRSSKITANLDVNMIFIITGAVLVPTICILCVVTYICRQKQKAKKETVKMTMALSGCEDSEPLRPSNIGANLCKLRIVKDAELRKGGVLGMGAFGRVYKGVWVPEGENVKIPVAIKELLKSTGAESSEEFLREAYIMASEEHVNLLKLLAVCMSSQMMLITQLMPLGCLLDYVRNNRDKIGSKALLNWSTQIAKGMSYLEEKRLVHRDLAARNVLVQTPSLVKITDFGLAKLLSSDSNEYKAAGGKMPIKWLALECIRNRVFTSKSDVWAFGVTIWELLTFGQRPHENIPAKDIPDLIEVGLKLEQPEICSLDIYCTLLSCWHLDAAMRPTFKQLTTVFAEFARDPGRYLAIPGDKFTRLPAYTSQDEKDLIRKLAPTTDGSEAIAKPDDYLQPKAAPGPSHRTDCTDEMPKLNRYCKDPSNKNSSTGDDERDSSAREVGVGNLRLDLPVDEDDYLMPTCQPGPNNNNNMNNPNQNNMAAVGVAAGYMDLIGVPVSVDNPEYLLNAQTLGVGESPIPTQTIGIPVMGGPGTMEVKVPMPGSEPTSSDHEYYNDTQRELQPLHRNRNTETRV