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Sequence alignment of human and Drosophila STAT LDs. The residues having sequence identity with Stat1 are in boxes. Homologous residues are indicated by shading. In the present experiments, four residues were mutated to alanine, as indicated by the asterisks: F506, R512, W539, and KE544-545. Sequence alignment was performed according to the ClustalW method (24a) and rendered with SeqVu 1.1.
