anti-H-2Kd/H-2Dd antibody (FITC): The antibody detects: An epitope in the 3 domain that is common to H-2 kDa and H-2Dd The monoclonal antibody 34-1-2S binds to a common determinant in the 3 domains of H-2 kDa and H-2Dd in the presence or absence of 2 microglobulin. It cross reacts with the 3 domain of H-2Kb.