>tr|A7LBR2|A7LBR2_BISBO T-cell-specific surface glycoprotein CD28 OS=Bison bonasus MLRLLLALNFFPSIQVAENKILVKQSPMLVVNDNEVNLSCKYTYNLFSKEFRASLYKGAD SAVEVCAVNGNHSHPLQSTNKEFNCTVKVGNETVTFYLQDLYVNQTDIYFCKLEVLYPPP YIDNEKSNGTIIHVKEKHLCPSPRSPESSKPFWALVVVNGVLVFYSLLVTVALSNCWMKN KRNRMLQSDYMNMTPRRPGPTRRHYQPYAPARDFAAYRS