>sp|P31043|CD28_CHICK T-cell-specific surface glycoprotein CD28 homolog OS=Gallus gallus GN=CD28
MLGILVVLCLIPAADVTENKILVAQRPLLIVANRTATLVCNYTYNGTGKEFRASLHKGTD
SAVEVCFISWNMTKINSNSNKEFNCRGIHDKDKVIFNLWNMSASQTDIYFCKIEAMYPPP
YVYNEKSNGTVIHVRETPIQTQEPESATSYWVMVAVTGLLGFYSMLITAVFIIYRQKSKR
NRYRQSDYMNMTPRHPPHQKNKGYPSYAPTRDYTAYRSWQP