>tr|Q289C4|Q289C4_9INFA Nuclear export protein OS=Influenza A virus GN=NS2 MDPNTVSSFQDILMRMSKMQLGSSSEDLNGMITQFESLKLYRDSLGEAVMRMGDLHSLQN RNGKWREQLGQKFEEIRWLIEEVRHRLKITENSFEQITFMQALQLLLEVEQEIRTFSFQL I