TABLE 1

Fifteen most abundant virioplankton ORFs containing viral gene target sequences

ORF annotationActual no. of hitsaExpected no. of hitsbFold change (actual/expected)
Phage protein5986990.9
Phage terminase102482.1
Methyltransferase67144.7
Phage capsid protein64252.5
Phage tail protein54471.2
DNA polymerase51321.6
Phage-associated recombinase37123.0
Phage portal protein35241.5
ssDNA-binding protein2847.1
Phage DNA helicase27370.7
Reductase27231.2
Peptidase23181.3
Phage tail fiber19280.7
Phage tape measure protein1992.0
Glycotransferase1681.9
Other annotations (104)272
No hits1,9202,2570.8
  • a Actual hits are the number of spacer hits.

  • b Expected hits were calculated based on the frequency of all aquatic viral ORFs in the virome database being assigned a given annotation by Phage SEED.