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Sequence alignment of the bZIP domain of ATF4 and ATF5. The basic residues comprising the basic DNA binding domain are highlighted in blue. The leucine and valine residue located in the d-position of the leucine zipper heptad are highlighted in red. The unusual cysteine residue poised to form an intermolecular disulfide bond is underlined. The region of ATF5 most likely to form α-helical structure is boxed.
