Figure 1.

An overview of the RNR classes detected in completely sequenced phage genomes. The number within parenthesis represents the number of phages containing one or more RNR genes belonging to that particular class or class combination, for a total of 128 phages with detectable RNR genes.

Dwivedi et al. BMC Evolutionary Biology 2013 13:33   doi:10.1186/1471-2148-13-33
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