BALB/cCrSlcNifdc-Tnfrsf9tm1(TNFRSF9)Bcgen
Pdcd1tm1(PDCD1)Bcgen/Bcgen
4-1BB, CD137, CDw137, ILA, IMD109;
CD279, PD-1, PD1, SLEB2, hPD-1, hPD-l, hSLE1