>3OSK_1|Chains A, B|Cytotoxic T-lymphocyte protein 4|Homo sapiens (9606) KAMHVAQPAVVLASSRGIASFVCEYASPGKATEVRVTVLRQADSQVTEVCAATYMMGNELTFLDDSICTGTSSGNQVNLTIQGLRAMDTGLYICKVELMYPPPYYLGIGNGTQIYVIDPEPCPDSDLVPR