- genetic mapping D13Bwg1089e RhoGEF http://identifiers.org/mgd/MGI:1346016 protein coding gene 9230110L08Rik 9230110L08Rik|Rho specific exchange factor|D13Bwg1089e|RIP2|RhoGEF|Rgnef|p190RhoGEF Arhgef28 p190RhoGEF Rho guanine nucleotide exchange factor (GEF) 28 Gene O Rho specific exchange factor MGI:1346016 RIP2 Rgnef