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Phage proteomic tree illustrating the relationship between Bbr-1, Bl-1, and Blj-1 prophage-like elements and other sequenced phages and prophages. The tree is based on the more closely related phage and prophage sequences of Bbr-1, Bl-1, and Blj-1 deduced on the basis of a previous proteomic tree based on 375 sequenced phage genomes and prophages (data not shown). The high- and low-G+C phages are indicated for correlation to reference 31.
