Figure 4From: Conservation of the three-dimensional structure in non-homologous or unrelated proteinsComparison of the histone fold (PDB: 1HTA)[38]to eubacteria HU protein (PDB: 1MUL)[46]. Hot pink: histone fold, cyan: eubacteria HU protein. Notice the similarity in the helix-turn-helix and the size difference in the central helix.Back to article page