Organism
Drosophila melanogaster
Function
Receptor for an extracellular signal required to instruct a cell to differentiate into an R7 photoreceptor. The ligand for sev is the boss (bride of sevenless) protein on the surface of the neighboring R8 cell.
Similarity
Belongs to the protein kinase superfamily. Tyr protein kinase family. Insulin receptor subfamily.
Sequence
MTMFWQQNVDHQSDEQDKQAKGAAPTKRLNISFNVKIAVNVNTKMTTTHINQQAPGTSSSSSNSQNASPSKIVVRQQSSSFDLRQQLARLGRQLASGQDGHGGISTILIINLLLLILLSICCDVCRSHNYTVHQSPEPVSKDQMRLLRPKLDSDVVEKVAIWHKHAAAAPPSIVEGIAISSRPQSTMAHHPDDRDRDRDPSEEQHGVDERMVLERVTRDCVQRCIVEEDLFLDEFGIQCEKADNGEKCYKTRCTKGCAQWYRALKELESCQEACLSLQFYPYDMPCIGACEMAQRDYWHLQRLAISHLVERTQPQLERAPRADGQSTPLTIRWAMHFPEHYLASRPFNIQYQFVDHHGEELDLEQEDQDASGETGSSAWFNLADYDCDEYYVCEILEALIPYTQYRFRFELPFGENRDEVLYSPATPAYQTPPEGAPISAPVIEHLMGLDDSHLAVHWHPGRFTNGPIEGYRLRLSSSEGNATSEQLVPAGRGSYIFSQLQAGTNYTLALSMINKQGEGPVAKGFVQTHSARNEKPAKDLTESVLLVGRRAVMWQSLEPAGENSMIYQSQEELADIAWSKREQQLWLLNVHGELRSLKFESGQMVSPAQQLKLDLGNISSGRWVPRRLSFDWLHHRLYFAMESPERNQSSFQIISTDLLGESAQKVGESFDLPVEQLEVDALNGWIFWRNEESLWRQDLHGRMIHRLLRIRQPGWFLVQPQHFIIHLMLPQEGKFLEISYDGGFKHPLPLPPPSNGAGNGPASSHWQSFALLGRSLLLPDSGQLILVEQQGQAASPSASWPLKNLPDCWAVILLVPESQPLTSAGGKPHSLKALLGAQAAKISWKEPERNPYQSADAARSWSYELEVLDVASQSAFSIRNIRGPIFGLQRLQPDNLYQLRVRAINVDGEPGEWTEPLAARTWPLGPHRLRWASRQGSVIHTNELGEGLEVQQEQLERLPGPMTMVNESVGYYVTGDGLLHCINLVHSQWGCPISEPLQHVGSVTYDWRGGRVYWTDLARNCVVRMDPWSGSRELLPVFEANFLALDPRQGHLYYATSSQLSRHGSTPDEAVTYYRVNGLEGSIASFVLDTQQDQLFWLVKGSGALRLYRAPLTAGGDSLQMIQQIKGVFQAVPDSLQLLRPLGALLWLERSGRRARLVRLAAPLDVMELPTPDQASPASALQLLDPQPLPPRDEGVIPMTVLPDSVRLDDGHWDDFHVRWQPSTSGGNHSVSYRLLLEFGQRLQTLDLSTPFARLTQLPQAQLQLKISITPRTAWRSGDTTRVQLTTPPVAPSQPRRLRVFVERLATALQEANVSAVLRWDAPEQGQEAPMQALEYHISCWVGSELHEELRLNQSALEARVEHLQPDQTYHFQVEARVAATGAAAGAASHALHVAPEVQAVPRVLYANAEFIGELDLDTRNRRRLVHTASPVEHLVGIEGEQRLLWVNEHVELLTHVPGSAPAKLARMRAEVLALAVDWIQRIVYWAELDATAPQAAIIYRLDLCNFEGKILQGERVWSTPRGRLLKDLVALPQAQSLIWLEYEQGSPRNGSLRGRNLTDGSELEWATVQPLIRLHAGSLEPGSETLNLVDNQGKLCVYDVARQLCTASALRAQLNLLGEDSIAGQLAQDSGYLYAVKNWSIRAYGRRRQQLEYTVELEPEEVRLLQAHNYQAYPPKNCLLLPSSGGSLLKATDCEEQRCLLNLPMITASEDCPLPIPGVRYQLNLTLARGPGSEEHDHGVEPLGQWLLGAGESLNLTDLLPFTRYRVSGILSSFYQKKLALPTLVLAPLELLTASATPSPPRNFSVRVLSPRELEVSWLPPEQLRSESVYYTLHWQQELDGENVQDRREWEAHERRLETAGTHRLTGIKPGSGYSLWVQAHATPTKSNSSERLHVRSFAELPELQLLELGPYSLSLTWAGTPDPLGSLQLECRSSAEQLRRNVAGNHTKMVVEPLQPRTRYQCRLLLGYAATPGAPLYHGTAEVYETLGDAPSQPGKPQLEHIAEEVFRVTWTAARGNGAPIALYNLEALQARSDIRRRRRRRRRNSGGSLEQLPWAEEPVVVEDQWLDFCNTTELSCIVKSLHSSRLLLFRVRARSLEHGWGPYSEESERVAEPFVSPEKRGSLVLAIIAPAAIVSSCVLALVLVRKVQKRRLRAKKLLQQSRPSIWSNLSTLQTQQQLMAVRNRAFSTTLSDADIALLPQINWSQLKLLRFLGSGAFGEVYEGQLKTEDSEEPQRVAIKSLRKGASEFAELLQEAQLMSNFKHENIVCLVGICFDTESISLIMEHMEAGDLLSYLRAARATSTQEPQPTAGLSLSELLAMCIDVANGCSYLEDMHFVHRDLACRNCLVTESTGSTDRRRTVKIGDFGLARDIYKSDYYRKEGEGLLPVRWMSPESLVDGLFTTQSDVWAFGVLCWEILTLGQQPYAARNNFEVLAHVKEGGRLQQPPMCTEKLYSLLLLCWRTDPWERPSFRRCYNTLHAISTDLRRTQMASATADTVVSCSRPEFKVRFDGQPLEEHREHNERPEDENLTLREVPLKDKQLYANEGVSRL