monoclonal antibody gil4 directed against an epitope on the platelet membrane glycoprotein ia/iia complex precipitated the same two bands with long-term-activated t lymphocytes , whereas moab ts2/7 directed against very late antigen ( vla ) -1 molecules precipitated two bands with mr 180 and 130 kda ( alpha 1 beta heterodimer ) .
C0003316
epitope
C0003320
antigen