PHA stimulated human peripheral blood lymphocytes were used as the immunogen for the Semaphorin-4D antibody.
Recognizes a homodimeric protein comprised of 50kDa subunits, identified as CD100 (Workshop VI, Code N-L026). It is expressed on majority of haemopoietic cells (B, T, NK and myeloid cells) and is absent from bone marrow, erythrocytes, eosinophils and end
