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Schematic representation of artA, pssA, and pssD distribution across Euryarchaeota. Shown are M. acetivorans (top) and H. volcanii (bottom) genomic organization of artA and genes encoding homologs to PssA (HvPssA) and PssD (HvPssD). The M. acetivorans artA, pssA, and pssD gene lengths are 834 bp, 627 bp, and 744 bp, respectively. The H. volcanii artA, hvpssA, and hvpssD gene lengths are 912 bp, 672 bp, and 606 bp, respectively.
