>sp|P33681-3|CD80_HUMAN T-lymphocyte activation antigen CD80 OS=Homo sapiens GN=CD80 MGHTRRQGTSPSKCPYLNFFQLLVLAGLSHFCSGVIHVTKEVKEVATLSCGHNVSVEELA QTRIYWQKEKKMVLTMMSGDMNIWPEYKNRTIFDITNNLSIVILALRPSDEGTYECVVLK YEKDAFKREHLAEVTLSVKGFAPRCRERRRNERLRRESVRPV