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sos-1

Gene
sos-1
Protein
Son of sevenless homolog
Organism
Caenorhabditis elegans
Length
1493 amino acids
Function
Promotes the exchange of Ras-bound GDP by GTP (By similarity). May regulate signaling pathways downstream of receptor tyrosine kinase, egl-15 and let-23 (PubMed:10880441). Required for larval and male spicule development, fluid homeostasis, vulva induction, spermatogenesis, and oogenesis by promoting meiosis prophase exit during oocyte maturation (PubMed:10880441, PubMed:17339331). Required for the delamination of G1 cell by promoting the loss of cell junctions and detachment from the excretory system during larval development (PubMed:25371363). Plays a role in nicotinic acetylcholine receptor (nAChR)-mediated sensitivity to nicotine (PubMed:15990870). Regulates synaptic levels of nAchR subunit lev-1 in the nerve cord (PubMed:15990870).
Mass
169.916 kDa
Sequence
MSIMSISLHSASSDTVSLTSRRTISTSKHWAAIFDERIYQICNIVHPGLPIDNAAVEHIRYFLQSIVFELIEARATSVVEVDKTAKKLFAFGLQTVCKEAWDNMHQQLQKHKYQKALKTVLESQHRLAAVIKETLGPREKEKKDREKKEIERIACYIYYACESVTEDVLRLTGNYVKNIRNSEQKITMANLDVAMNGDKALMELRTKLRNEEEAESPGGFGFLSEFEEFVAEETEEKTLSNSQTYESVAVDFLRDERRFIRELNRINVFRRRIESVAATDVDKQIVCNLFGNLTEIHDLALKIERTLEDAIELSDTQCIGMGIWEHGEAYEFDTYTFYIRRDGGEMNETRHATYVINDNIKALLESERFASLFQSGEHYLGSSLDGQSFRLAVQYVLPQLLHIPIFHIYQYHEYITRLHQLSSSEEDRRDLNDCRSAFERVVGCVSDMSPELKTKITQFLDQQAKSEKIYNVKRLNEIQSSIDGFTGSPIGKTCNELEKDGDLGMIRPSLQFSSEITKNKKWKTERFVYIFDQMIVLCKRHRNTLKFKDRLAVHSIDVFDIPDSEVTNCFKIESHDKSSLPKIYHFVCKNPEEKRQWMAVLVKVTTKSVLDRILDNHEKEEAKRIPLVVPGPDQYRFSEPDTEDNISFEDYTSSSGIPVIKCGTVLKLIERLTYHSYTDSKYILTFLISYRSFCTPNDLFSLLLERFNIPTPKKLQQPKQGGGPLAGRYDTVQSHGLSAISSSSCINPLCEQKFRKEFQQPIQLRVLSVINQWVKLHWYDFQCDPVLLDALELFLNRCCDPREGLSKQHKKFCKTILALIEKRVKNPPGIMQQPNENGDKGAADEGHVNSAFVFGDDQQHPPQHQVYTNESPKETNQVLWHTAQKGDVDHYDLLTLHPIEIGRQLTLLHSDLYRAIQPIELVEAAWTKAEKWRKSPQLLRLTDHSTLLTYWVSRSIVETESLEERMAMFNRVLEVMSVFEELHNFTGLVAFYSALNSSCIFRLKWCWDGLDNEKKKCFDRFNTLCERRWQEMQKRLSSINPPCIPFFGHYLSNIYFLEQGNSTFVNKSPPHGAAGAQKQQKDDLKASDPENSNKQFKQLVSFLKLRKISNVIREIQIFQDQRYSLTLEPTIRQFFESINPKNDFKSNEDLEEYLYNKSLEIQPKGLDTPTAELKPKHNASTLRSPGVKPPKAAGNHYSANHPIGLHLHSQNSHSAPHAMSSQSSTVPNTPLSAHETKRSLSHNQDDAPLQQFVDIRFERKGTHPKIPVLQPPPLLPRSSRANQSNSVSLPPTTQAPMPPAPKSSGMMSTATSPTTLTTTTTPSSAGGPPPKLHPRRMTQQPMSPLAKSPLTPSRDNSSPSAFQFPVVYEASTAPPLPPRPSTSSDVSSSPSTSGSTSSATKENQEQLRVIFDREESHSPTVRLSVPLPPALPPPRGSSVFRAPPPLPPKSNRHNSNSPTLSSEQPFEDPMSPSIFVNTPPPPLPPKTYRSSNK