Tnfr2<tm1Mwm> TNFR2<0> TNFR II - p75- MGI:1857262 http://identifiers.org/mgd/MGI:1857262 targeted mutation 1, Mark Moore TNFRp75<-> p75TNFR2- Tnfrsf1b<tm1Mwm> TNF-R2<-> Null/knockout