ITEM#: 3042-SRP639050UG
MFR#: SRP6390-50UG
B7-1 and B7-2, together with their receptors CD28 and CTLAÂ4, constitute one of the dominant co-stimulatory pathways that regulate TÂ and BÂcell responses. Although both CTLAÂ4 and CD28 can bind to the same ligands, CTLAÂ4 binds to