854745.fig.001a
(a)
854745.fig.001b
(b)
Figure 1: NLS in hydra XPA. (a) Amino acid sequence of hydra XPA with the 13 amino acids comprising NLS marked by box. (b) Alignment of NLS regions of XPA from human, Xenopus, and hydra shows that 9 residues out of 13 are completely conserved, while the rest are conservative substitutions.