>gi|155030206 Rap guanine nucleotide exchange factor (GEF) 4 isoform b [Homo sapiens] MLYKKYRQYMAGLLAPPYGVMETGSNNDRIPDKENTPLIEPHVPLRPANT ITKVPSEKILRAGKILRNAILSRAPHMIRDRKYHLKTYRQCCVGTELVDW MMQQTPCVHSRTQAVGMWQVLLEDGVLNHVDQEHHFQDKYLFYRFLDDEH EDAPLPTEEEKKECDEELQDTMLLLSQMGPDAHMRMILRKPPGQRTVDDL EIIYEELLHIKALSHLSTTVKRELAGVLIFESHAKGGTVLFNQGEEGTSW YIILKGSVNVVIYGKGVVCTLHEGDDFGKLALVNDAPRAASIVLREDNCH FLRVDKEDFNRILRDVEANTVRLKEHDQDVLVLEKVPAGNRASNQGNSQP QQKYTVMSGTPEKILEHFLETIRLEATLNEATDSVLNDFIMMHCVFMPNT QLCPALVAHYHAQPSQGTEQEKMDYALNNKRRVIRLVLQWAAMYGDLLQE DDVSMAFLEEFYVSVSDDARMIAALKEQLPELEKIVKQISEDAKAPQKKH KVLLQQFNTGDERAQKRQPIRGSDEVLFKVYCMDHTYTTIRVPVATSVKE VISAVADKLGSGEGLIIVKMSSGGEKVVLKPNDVSVFTTLTINGRLFACP REQFDSLTPLPEQEGPTVGTVGTFELMSSKDLAYQMTIYDWELFNCVHEL ELIYHTFGRHNFKKTTANLDLFLRRFNEIQFWVVTEICLCSQLSKRVQLL KKFIKIAAHCKEYKNLNSFFAIVMGLSNVAVSRLALTWEKLPSKFKKFYA EFESLMDPSRNHRAYRLTVAKLEPPLIPFMPLLIKDMTFTHEGNKTFIDN LVNFEKMRMIANTARTVRYYRSQPFNPDAAQANKNHQDVRSYVRQLNVID NQRTLSQMSHRLEPRRP