Additional file 3.

Figure S3. Comparison of rnf genes between Methanosarcina thermophila and Methanosarcina acetivorans. Panel A. Organization of rnf genes in Methanosarcina thermophila versus Methanosarcina acetivorans. Numbers next to the arrows indicate deduced sequence identity. Panel B. Alignment of the deduced sequences of rnf genes between Methanosarcina thermophila (Mt) and Methanosarcina acetivorans (Ma). Highlighted are: conserved heme binding sites (CXXCH and CXXXCH) in Cyt c, the flavin binding motif (SGAT) in RnfG, and cysteine motifs binding iron-sulfur clusters in RnfC and RnfB.

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Wang et al. BMC Microbiology 2011 11:165   doi:10.1186/1471-2180-11-165