Specificity of the deoxyhypusine hydroxylase-eukaryotic translation initiation factor (eIF5A) interaction: identification of amino acid residues of the enzyme required for binding of its substrate, deoxyhypusine-containing eIF5A.

Abstract excerpt

Deoxyhypusine hydroxylase (DOHH) is a novel metalloenzyme that catalyzes the final step of the post-translational synthesis of hypusine (Nepsilon-(4-amino-2-hydroxybutyl)lysine) in the eukaryotic translation initiation factor 5A (eIF5A). Hypusine synthesis is unique in that it occurs in only one protein, denoting the strict specificity of the modification enzymes toward the substrate protein. The specificity of...

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