>sp|P16410-5|CTLA4_HUMAN Isoform 5 of Cytotoxic T-lymphocyte protein 4 OS=Homo sapiens OX=9606 GN=CTLA4 MACLGFQRHKAQLNLATRTWPCTLLFFLLFIPVFCKAMHVAQPAVVLASSRGIASFVCEY ASPGKATEVRVTVLRQADSQVTEVCAATYMMGNELTFLDDSICTGTSSGNQVNLTIQGLR AMDTGLYICKVELMYPPPYYLGIGNGTQIYVIAKEKKPSYNRGLCENAPNRARM