>sp|P03504|NEP_I77AB Nuclear export protein OS=Influenza A virus (strain A/USSR/90/1977 H1N1) OX=381516 GN=NS PE=3 SV=1 MDPNTVSSFQDILMRMSKMQLGSSSEDLNGMITQFESLKLYRDSLGEAVMRMGDLHSLQN RNGKWREQLGQKFEEIRWLIEEVRHRLKITENSFEQITFMQALQLLFEVEQEIRTFSFQL I