>tr|B4UPG2|B4UPG2_9INFA Nuclear export protein OS=Influenza A virus GN=NEP MDSHTVSSFQDILMRMSKMQLGSSSGDLNGMITQFESLKLYRDSLGEAVMRMGDLHSLQH RNGKWREQLGQKFEEIRWLIEEVRHKLKTTENSFEQITFMQALQLLFEVEQEIRTFSFQL I