>gi|83700231 cytotoxic T-lymphocyte-associated protein 4 isoform b precursor [Homo sapiens] MACLGFQRHKAQLNLATRTWPCTLLFFLLFIPVFCKAMHVAQPAVVLASS RGIASFVCEYASPGKATEVRVTVLRQADSQVTEVCAATYMMGNELTFLDD SICTGTSSGNQVNLTIQGLRAMDTGLYICKVELMYPPPYYLGIGNGTQIY VIAKEKKPSYNRGLCENAPNRARM