>sp|Q8N4T4-3|ARG39_HUMAN Isoform 3 of Rho guanine nucleotide exchange factor 39 OS=Homo sapiens OX=9606 GN=ARHGEF39 MELSCPGSRCPVQEQRARWERKRACTARELLETERRYQEQLGLVATYFLGILKAKGTLRP PERQALFGSWELIYGASQELLPYLEGGCWGQGLEGFCRHLELYNQFAANSERSQTTLQEQ LKKNKGFRRFVRLQEGRPEFGGLQLQDLLPLPLQRLQQYENLVVALAENTGPNSPDHQQL TPVLPS