Protein
FERM domain-containing protein 4B
Function
Member of GRP1 signaling complexes that are acutely recruited to plasma membrane ruffles in response to insulin receptor signaling. May function as a scaffolding protein that regulates epithelial cell polarity by connecting ARF6 activation with the PAR3 complex (PubMed:20080746). Plays a redundant role with FRMD4A in epithelial polarization (PubMed:20080746).
Sequence
MASVFMCGVEDLLFSGSRFVWNLTVSTLRRWYTERLRACHQVLRTWCGLRDVYQMTEGRHCQVHLLDDRRLELLVQPKLLSRELLDLVASHFNLKEKEYFGITFIDDTGQENWLQLDHRVLEHDLPKKPGPTLLHFAVRFYIESISFLKDKNTVELFFLNAKACVHKGQIEVDSETIFKLAALVLQESKGDYTSDENARKDLKTLPVFPTKTLQEHPSLAYCEDRVIEHYLKIKGLTRGQAVVQYMKIVEALPTYGVHYYAVKDKQGLPWWLGISYKGIGQYDLQDKVKPRKLFQWKQLENLYFREKKFAVEVHDPRRISVSRRTFGQSGLFVQTWYANSSLIKSIWVMAISQHQFYLDRKQSKAKIPSARSLDDIAMDLTETGTQRGSKLVTLEAKSQFIMASNGSLISSGSQDSEGMEEQKREKILELKKKEKLLQEKLLQKVEELKKICLREAELTGRMPKEYPLNIGEKPPQVRRRVGTTFKLDDNLLPTEEDPALQELESNFLIQQKLVEAAKKLASEPDLCKTVKKKRKQDYTDAVKRLQEIENSINEYRIRCGKKPSQKAAVVPPEDIIPSESSSLSDTTTYDDPNDSFTLAGQRPSSVPHSPRILPPKSLGIERIHFRKSSINEQFMDTRHSREMLSTHSSPYKTLERRPQGGRSMPTTPVLTRNAYSSSHLEPDSSSQHCRQRSGSLESQSHLLSEMDSDKPFFTLSKSQRSSSTEILDDGSSYTSQSSSEYYCVTPAASPYYTTQTLDTRARGRRRSKKHSVSTSNSGSMPNLAQKDPLRNGVYSKGQDPPPSGYYIAGYPPYAECDLYYSGGYVYENDTEGQYSVNPSYRSSAHYGYDRQRDYSRSFHEDEVDRVPHNPYATLRLPRKAAVKSEHITKNIHKALVAEHLRGWYQRASGQKDQGHSPQTSFDSDRGSQRCLGFAGLQVPCSPSSRASSYSSVSSTNASGNWRTQLTIGLSEYENPVHSPYTSYYGSIYNPLSSPSRQYAETTPLDGTDGSQLEDNLEGSEQRLFWHEDSKPGTLV