>sp|P10747-3|CD28_HUMAN Isoform 3 of T-cell-specific surface glycoprotein CD28 OS=Homo sapiens OX=9606 GN=CD28
MLRLLLALNLFPSIQVTGNKILVKQSPMLVAYDNAVNLSYNEKSNGTIIHVKGKHLCPSP
LFPGPSKPFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTPRRPGPTRK
HYQPYAPPRDFAAYRS