Figure 1

(a) Selecton analysis of Oryza genus CENH3: The Selecton analysis carried out through selecton server (http://selecton.tau.ac.il/) revealed rice CENH3 protein to be under purifying selection (please refer to the selection scale at the bottom of the figure). (b) Selecton analysis of CENH3 from various species: The various residues on comparison with a larger query set show that positive selection is operating at various residues of CENH3 protein(s) in various species. Notably this positive selection acts mainly in the region of N-terminal tail domain. The NTT residues are underlined in blue, starting at residue 1 and HFD starts at the motif PGTVAL; underlined in red.