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Circles from inside to outside indicate GC skew, GC content, tRNA genes on reverse strand, CDS on reverse strand, and CDS on forward strand. The COG functional categories are represented–blue (L: replication, recombination, and repair), red (F: nucleotide transport and metabolism), and pink (X: prophages and transposons). Structural genes of MK-13 phage are shown in green color.
