>2NSZ_1|Chain A|Programmed cell death protein 4|Mus musculus (10090) QPVNHLVKEIDMLLKEYLLSGDISEAEHCLKELEVPHFHHELVYEAIVMVLESTGESAFKMILDLLKSLWKSSTITIDQMKRGYERIYNEIPDINLDVPHSYSVLERFVEECFQAGIISKQLRDLCPSR