>2X44_1|Chain A[auth D]|CYTOTOXIC T-LYMPHOCYTE PROTEIN 4|HOMO SAPIENS (9606) MKAMHVAQPAVVLASSRGIASFVCEYASPGKATEVRVTVLRQADSQVTEVCAATYMMGNELTFLDDSICTGTSSGNQVNLTIQGLRAMDTGLYICKVELMYPPPYYLGIGNGTQIYVIDPEPSPDSDLVPR