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. 2020 Dec 10;8(12):591. doi: 10.3390/biomedicines8120591

Figure 1.

Figure 1

The scheme of the circular, double-stranded human mtDNA. The outer circle denotes the heavy (H) strand of the mtDNA and the inner circle denotes the light (L) strand. Colors denote genes encoding protein subunits of complexes I-V, ribosomal RNAs, transfer RNA (tRNAs designated using single-letter amino acid abbreviations), and a non-coding region (D-loop). Genes encoding protein subunits correspond to symbols of these subunits shown in Table 1. Origins of heavy and light strand replications are not shown.