moreover , the two soluble b7 forms , which differ only in their alpha 3 domain , are similarly recognized by monoclonal antibodies w6/32 ( anti-hla-abc ) , bbm.1 ( anti-human beta 2 microglobulin ) , and allo-b7-antibody , but differentially recognized by monoclonal antibody q1/28 ( anti-hla class i heavy chain ) .
C0086418
human
C1420192
heavy chain