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. Author manuscript; available in PMC: 2021 Oct 12.
Published in final edited form as: Nat Plants. 2021 Apr 12;7(4):452–467. doi: 10.1038/s41477-021-00889-y

Extended Data Fig. 4. Alignment of PP4 homolog protein sequences from diverse eukaryotes.

Extended Data Fig. 4

a, Amino acid sequence alignment of AtPPX1, the predicted hcr1-1 truncated protein, AtPPX2 and PP4 homologs from different eukaryotic species. The predicted hcr1-1 truncated protein consisting of 143 residues is shown. The underlined region indicates amino acids generated due to the retention of the 3rd intron. Hash symbols indicate the locations of conserved PP4 catalytic motifs (GDXHG, GDXVDRG and GNHE) and the histidine (H) residues required for metal binding in C-terminal region. b, As for a, but showing percent identity of amino acid sequence between PP4 homologs.