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. 2023 Oct 9;8(11):2006–2019. doi: 10.1038/s41564-023-01492-x

Fig. 3. Bd0055 forms a histone-fold dimer.

Fig. 3

a, Crystal structure of Bd0055 superimposed onto archaeal histone HMfB (PDB 1A7W). Bd0055 maintains the overall topology of a histone fold, with shorter α2 and α3 helices. Bd0055 conserves the signature RD clamp and L1-L2 loops. b, Coulombic surface charge calculation of HMfB and Bd0055, shown in three orientations. Bd0055 maintains the basic ridge of residues important for binding DNA in other histones (top), but has a net acidic charge on its opposite face (bottom).