Contact: Kristin Elise Phillips American Museum of Natural
History Caption: Supramap depicts the westward spread of avian
influenza (H5N1). Red tree branches indicate a genotype of
lysine (K) at amino acid position 627 in the PB2 protein which
confers increase replication in mammals. White tree branches
indicate a genotype of glutamic acid (E), the wild type for
H5N1. Mutations at each node can be viewed in pop-up windows.
Credit: Janies et al. 2010 Cladistics online 04-9-10 Usage
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