>sp|O02757|CD28_FELCA T-cell-specific surface glycoprotein CD28 OS=Felis catus GN=CD28 MILRLLLALNFFPSIQVTENKILVKQLPRLVVYNNEVNLSCKYTHNFFSKEFRASLYKGV DSAVEVCVVNGNYSHQPQFYSSTGFDCDGKLGNETVTFYLRNLFVNQTDIYFCKIEVMYP PPYIDNEKSNGTIIHVKEKHLCPAQLSPESSKPFWALVVVGGILGFYSLLATVALGACWM KTKRSRILQSDYMNMTPRRPGPTRRHYQPYAPARDFAAYRS