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Genomic organization of phages of Cp2 (A) and Escherichia coli T7 (B). Arrows indicate the sizes and directions of the genes. The typical podovirus genome represented by T7 phage consists of three functional modules: class I, class II, and class III, as shown in panel B (35). Putative class I (white), class II (white), and class III (red) modules for Cp2 are shown in panel A.
