altLabel |
costimulatory factor CD80 CD28LG1 B7.1 costimulatory molecule variant IgV-CD80 LAB7 B7-1 activation B7-1 antigen B7 CD80 antigen (CD28 antigen ligand 1, B7-1 antigen) BB1 CTLA-4 counter-receptor B7.1 B-lymphocyte activation antigen B7 CD28LG T-lymphocyte activation antigen CD80 |