Phylogenetic relationship between CMP-Sialic Acid Synthetases



 Phylogenetic tree of CSAS proteins from bacteria, insects and complex animals
CSAS enzymes from insects,
more complex animals, and
bacteria represent three
well-separated clades,
which presumably reflects the
fact that these subfamilies
evolved in distinct subcellular
The tree was built by ClustalW2
using neighbor-joining algorithm

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