Table 1.

Table lists the number of proteins in each subset, the maximum and minimum identity between full-length proteins within each subset, the taxonomic distribution, and the associated domains

Subset	No. of Proteins	Max. Identity (%)	Min. Identity (%)	Taxonomic Distribution	Associated Domains
1	15	99.4	37.4	Bacteria	Cloacin (PF03515)
2	31	99.6	18.8	23 phage, 2 bacteria, 3 eukaryote, 3 virus	AP2 (PF00847), IENR1 (SM00497)
3	22	99.8	18.8	Bacteria	Duf222 (PF02720)
4	19	99.9	23.3	17 eukaryote (predominantly mitochondrion), 2 bacteria	—
5	20	99.5	22.4	17 bacteria, 3 eukaryote	Rvt (PF00078)
6	17	89.2	34.8	Bacteria	Rvt (PF00078)
7	11	99.9	50.9	Bacteria	—
8	18	98.3	78.3	Bacteria	—