>tr|Q9N0N8|Q9N0N8_CANLF T-cell-specific surface glycoprotein CD28 OS=Canis lupus familiaris OX=9615 GN=CD28 PE=1 SV=1 MILRLLLALNFFPSIQVTENKILVKQLPRLVVYNNEVNLSCKYTYNLFSKEFRASLYKGV DSAVEVCVVNGNYSHQPQFYSSTGFDCDGKLGNETVTFYLRNLFVNQTDIYFCKIEVMYP PPYIGNEKSNGTIIHVKEKHLCPDELFPDSSKPFWALVVVGAVLVFYSLLVTVALCAYWI KSKSSRILQSDYMNMTPREAGPTRRHYQPYAPARDFAAYRS