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. 2018 Apr 18;9:504. doi: 10.3389/fpls.2018.00504

FIGURE 3.

FIGURE 3

FIP homologues are restricted to terrestrial plants. (A) Amino acid sequence alignment of several FIP homologues. Cysteine residues are highlighted in yellow, and the zinc-finger domain is marked. Physcomitrella was included in the alignment for comparison. (B) Bayesian phylogenetic inference of type A FtsH homologous sequences were identified using the amino acid sequences of FtsH1 (At1g50250) and FtsH5 (At5g42270) through the blastp algorithm against the refseq_protein GenBank database, including 2073 sequences that were above the threshold e-value of ≤1e-180. The results produced 1 × 106 MCMC (Markov chain Monte Carlo) generations sampled at each 1000 generations, yielding 1000 estimates. The cluster bearing sequences homologous to FIP was recovered as a monophyletic taxon and is highlighted.