>tr|Q9N2I4|Q9N2I4_FELCA T-cell-specific surface glycoprotein CD28 OS=Felis catus OX=9685 GN=CD28 PE=2 SV=1 MILRLLLALNFFPSIQVTENKILVKQLPRLVVYNNEVNLSCKYTHNLFSKEFRASLYKGV DSAVEVCVVNGNYSHQPQFYSSTGFDCDGKLGNETVTFYLRNLFVNQTDIYFCKIEVMYP PPYIDNEKSNGTIIHVKEKHLCPAQLSPESSKPFWALVVVGGILGFYSLLATVALGACWM KTKRSRILQSDYMNMTPRRPGPTRRHYQPYAPARDFAAYRS