Table 2.
Statistics of data in AcrDB
| # of Genomes, genera and Acr-Aca operons | Archaea | Bacteria | Viruses |
|---|---|---|---|
| Total genomes searched | 961 | 15,203 | 2,659 |
| Genomes (genera) with Acr homologs in Acr-Aca operonsb | 27 (2) | 1127 (97) | 91(20) |
| Genomes (genera) with Aca homologs in Acr-Aca operons | 418 (94) | 5014 (603) | 2043 (424) |
| Acr-Aca operons of high, medium, and low confidence levels | 1481 | 31 683 | 4125 |
| Genomes (genera) with Aca homologs in Acr-Aca operons and STSs | 85 (36) | 1101 (244) | NAa |
| Acr-Aca operons of high and medium confidence levels | 361 | 7,889 | NAa |
| Genomes (genera) with Aca homologs in Acr-Aca operons and candidate Acrs ranked in 10% by AcrRanker | 293 (79) | 4753 (609) | 1330 (314) |
| Acr-Aca operons of high, medium, and low confidence levels | 634 | 17 208 | 1,857 |
| Genomes (genera) with Aca homologs in Acr-Aca operons and STSs and candidate Acrs ranked in 10% by AcrRanker | 67 (29) | 1045 (236) | NAa |
| Acr-Aca operons of high and medium confidence levels | 75 | 2,565 | NAa |
| Genomes (genera) with Aca homologs in Acr-Aca operons and candidate Acrs verified by PaCRISPR (score > 0.5) | 247 (59) | 2799 (446) | 1542 (330) |
| Acr-Aca operons of high, medium, and low confidence levels | 359 | 5,706 | 2455 |
| Genomes (genera) with Aca homologs in Acr-Aca operons and STSs and candidate Acrs verified by PaCRISPR (score > 0.5) | 53 (25) | 796 (185) | NAa |
| Acr-Aca operons of high and medium confidence levels | 64 | 1869 | NAa |
aNA because viruses were not analyzed for the presence of CRISPR–Cas and STSs.
bThese include single gene operon (i.e. only the Acr homolog).