Fv2 MGI:99614 + friend virus susceptibility 2 Mst1r macrophage stimulating 1 receptor (c-met-related tyrosine kinase) protein coding gene CDw136 O Ron Gene http://identifiers.org/mgd/MGI:99614 genetic mapping PTK8 Ron|Fv2|STK|friend virus susceptibility 2|PTK8|CDw136|Fv-2 Fv-2 STK