Rap guanine nucleotide exchange factor 4 MVAAHAAHSS SSAEWIACLD KRPLERSSED VDIIFTRLKE VKAFEKFHPN LLHQICLCGY YENLEKGITL FRQGDIGTNW YAVLAGSLDV KVSETSSHQD AVTICTLGIG TAFGESILDN TPRHATIVTR ESSELLRIEQ KDFKALWEKY RQYMAGLLAP PYGVMETGSN NDRIPDKENT PLIEPHVPLR PANTITKVPS EKILRAGKIL RNAILSRAPH MIRDRKYHLK TYRQCCVGTE LVDWMMQQTP CVHSRTQAVG MWQVLLEDGV LNHVDQEHHF QDKYLFYRFL DDEHEDAPLP TEEEKKECDE ELQDTMLLLS QMGPDAHMRM ILRKPPGQRT VDDLEIIYEE LLHIKALSHL STTVKRELAG VLIFESHAKG GTVLFNQGEE GTSWYIILKG SVNVVIYGKG VVCTLHEGDD FGKLALVNDA PRAASIVLRE DNCHFLRVDK EDFNRILRDV EANTVRLKEH DQDVLVLEKV PAGNRASNQG NSQPQQKYTV MSGTPEKILE HFLETIRLEA TLNEATDSVL NDFIMMHCVF MPNTQLCPAL VAHYHAQPSQ GTEQEKMDYA LNNKRRVIRL VLQWAAMYGD LLQEDDVSMA FLEEFYVSVS DDARMIAALK EQLPELEKIV KQISEDAKAP QKKHKVLLQQ FNTGDERAQK RQPIRGSDEV LFKVYCMDHT YTTIRVPVAT SVKEVISAVA DKLGSGEGLI IVKMSSGGEK VVLKPNDVSV FTTLTINGRL FACPREQFDS LTPLPEQEGP TVGTVGTFEL MSSKDLAYQM TIYDWELFNC VHELELIYHT FGRHNFKKTT ANLDLFLRRF NEIQFWVVTE ICLCSQLSKR VQLLKKFIKI AAHCKEYKNL NSFFAIVMGL SNVAVSRLAL TWERMIANTA RTVRYYRSQP FNPDAAQANK NHQDVRSYVR QLNVIDNQRT LSQMSHRLEP RRP