>sp|P31042|CD28_RAT T-cell-specific surface glycoprotein CD28 OS=Rattus norvegicus GN=Cd28
MTLRLLFLALSFFSVQVTENKILVKQSPLLVVDNNEVSLSCRYSYNLLAKEFRASLYKGV
NSDVEVCVGNGNFTYQPQFRPNVGFNCDGNFDNETVTFRLWNLDVNHTDIYFCKIEVMYP
PPYLDNEKSNGTIIHIKEKHLCHAQTSPKLFWPLVVVAGVLLCYGLLVTVTLCIIWTNSR
RNRLLQSDYMNMTPRRLGPTRKHYQPYAPARDFAAYRP