>sp|P31042|CD28_RAT T-cell-specific surface glycoprotein CD28 OS=Rattus norvegicus OX=10116 GN=Cd28 PE=2 SV=1
MTLRLLFLALSFFSVQVTENKILVKQSPLLVVDNNEVSLSCRYSYNLLAKEFRASLYKGV
NSDVEVCVGNGNFTYQPQFRPNVGFNCDGNFDNETVTFRLWNLDVNHTDIYFCKIEVMYP
PPYLDNEKSNGTIIHIKEKHLCHAQTSPKLFWPLVVVAGVLLCYGLLVTVTLCIIWTNSR
RNRLLQSDYMNMTPRRLGPTRKHYQPYAPARDFAAYRP