Sequence variation at the 3' end of the neuraminidase gene from 39 influenza type A viruses.
D000595:Amino Acid Sequence; D001483:Base Sequence; D005796:Genes; D014644:Genetic Variation; D009980:Influenza A virus / Q000235:genetics*; D009439:Neuraminidase / Q000235:genetics*
D009439:Neuraminidase