>sp|P03502|NS1_INBLE Non-structural protein 1 OS=Influenza B virus GN=NS MADNMTTTQIEVGPGATNATINFEAGILECYERFSWQRALDYPGQDRLHRLKRKLESRIK THNKSEPENKRMSLEERKAIGVKMMKVLLFMDPSAGIEGFEPYCVKNPSTSKCPNYDWTD YPPTPGKYLDDIEEEPENVDHPIEVVLRDMNNKDARQKIKDEVNTQKEGKFRLTIKRDIR NVLSLRVLVNGTFLKHPNGDKSLSTLHRLNAYDQNGGLVAKLVATDDRTVEDEKDGHRIL NSLFERFDEGHSKPIRAAETAVGVLSQFGQEHRLSPEEGDN