Table 1

Overview of signature genes (SiGs) identified amongst eight core T7-like phage genomes in the PhiSiGns case study

# of phages

# of SiGs

Functional roles


8

24

DNA polymerase, RNA polymerase, primase/helicase, ssDNA binding protein, ligase, packaging protein A, exonuclease, endonuclease, terminase, RNA polymerase inhibitor, phage capsid and scaffold, portal connector protein, tail fiber, internal core proteins, holins, lysins, unknown phage proteins


7

3

endopeptidases, unknown phage proteins


6

6

kinase, ssDNA binding protein, dGTPase, unknown phage proteins


5

6

nuclease, lipoprotein, unknown phage proteins


4

3

primase/helicase, unknown phage proteins


3

4

adenosylmethionine hydrolase, unknown phage proteins


2

12

endonuclease, unknown phage proteins


Dwivedi et al. BMC Bioinformatics 2012 13:37   doi:10.1186/1471-2105-13-37

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