Protein
Probable RNA methyltransferase bin3
Organism
Drosophila melanogaster
Function
S-adenosyl-L-methionine-dependent methyltransferase that adds a methylphosphate cap at the 5'-end of 7SK snRNA, leading to stabilize it (Probable). Required for dorso-ventral patterning in oogenesis and for anterior-posterior pattern formation during embryogenesis, possibly by binding and stabilizing 7SK RNA, thereby promoting formation of a repressive RNA-protein complex.
Similarity
Belongs to the methyltransferase superfamily.
Sequence
MEKRLSDSPGDCRVTRSTMTPTLRLDQTSRQEPLPQQPDNGPAAAPGKSKSPTPLPGKSQAAQHHQFRAPQQQQGPKNRNKAWSKRQHKAGGKHNPSACVGASSGQAQSTGSSVIAATLLPTAASAHKADLENIQNIHNKNLTAGGGVNHHGNAGTAHHGGGGGAGAHHAAAGGHHHHHNTRLAQNAAAGGASGGGTIQMHKKMLRGHHHHVLCAGNNANHTCCLVTGCNGSSIGGVGVAGSGGATASAGGGGASCKEAQSCKDTSSLSGNSSIAGSAGAGNAVHYCCGRSKFFLPEKRLRKEVIVPPTKFLLGGNISDPLNLNSLQNENTSNASSTNNTPATTPRQSPITTPPKVEVIIPPNIHDPLHLLDPVDSMEYEKQLTSPMKRAGPGGGMLHHRQHHYRTRKNRKRRRFDSNNTSHAGDEGGVGSELTDEPPLPAATSSLAASPVAAPLNVGGSLLLSESAAPAPGETAEMGQQQEQAHVHSPQSASTTTTAAEMPTPTPTSAAAATATAEHKEQSAPAPTATSSPQRQQQHVAAAAEELPTPETSAAAETPAEEMLLSCSATSASLVASTLAERRASRDLRLDLSSTCYGVGGTGLSFGGSISSSVGSSFGGGGRKRKISESSTSQKSKKFHRHDAMDKIVSPVVPQPGAWKRPPRILQPSGARKPSTRRSTSVSESELLSPVEEQPPKQLPLIGVEIPRDDTPDLPDHGLGSPLSTTSGATSHTAGEQDSLAGVDISMGDTLGSGVVGKAPLTSSLMLEPAKIPPIKMLPKFRADGLKYRYGNFDRYVDFRQMNEFRDVRLQVFQRHVELFENKDILDIGCNVGHMTITVARHLAPKTIVGIDIDRELVARARRNLSIFVRIPKEEKLLEVKAEPTVDAKANIAVKDETSGAAHKKTRRGKRRRKVHQGIHHHHHHHHDLEQLQQQQKLNSLLVKPHEFFPISFPLTYGRIPRILSSSKSPNMLGNKNQFPANVFFRHTNYVLKDESLMASDTQQYDLILCLSVTKWIHLNFGDNGLKMAFKRMFNQLRPGGKLILEAQNWASYKKKKNLTPEIYNNYKQIEFFPNKFHEYLLSSEVGFSHSYTLGVPRHMNKGFCRPIQLYAKGDYTPNHVRWSDAYYPQTPYEAYRGIYATLPVHRMGGGGSSAGGSNSGHAQMLHLSSSSRSQNYDTPHYAGSASGSASCRQTPMYQPTYNPLETDSYQPSYDMEYLNHMYVFASPLYQTVWSPPASLRKSSSHTPVFGSVRDAELDGDGSGGGGSGGGSYHRHVYPPNDDTCSPNANACNAFNSIRDADTDDSNQLPGGSRRHVYATNCGESSSSPQVNHHDAVGEFVDGLMDDEQKSSTGGGTGGAAYCDLSDA