the leucocyte surface glycoproteins cd11a ( gp160 , lfa-1 antigen , ta-1 antigen ) , cd11b ( gp155 , mac-1 antigen , okm1 antigen , mo-1 antigen ) , cd11c ( gp130 , leu-m5 antigen ) , and cd18 ( gp90 ) constitute three heterodimers with different alpha chains and a common beta chain .
C0023516
leucocyte
C0079785
mac-1 antigen