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Dendrogram for aminoglycoside 6′-N-acetyltransferases belonging to the subfamily represented by AAC(6′)-Ic. The dendrogram was calculated by the ClustalW computer program, available on the National Institute of Genetics website (http://www.ddbj.nig.ac.jp/E-mail/clustalw-e.html), and illustrated with the TreeViewPPC computer program (version 1.6.5 for Macintosh). Branch lengths correspond to the numbers of amino acid exchanges.
