Table 1.
Halobacterium salinarum and Haloferax volcanii replication protein A (RPA)/single-stranded DNA binding (SSB) protein homologues, shared features, and percent identity.
| Hbt. salinarum | Hfx. volcanii | ||||||
|---|---|---|---|---|---|---|---|
| RPA/SSB Type | Protein | Size (aa) | Protein | Size (aa) | Shared Features | % Identity | E Value |
| Eukaryotic | Rfa2 | 460 | RpaA1 | 427 | two OB-folds/ one Zinc Finger |
64 | 1 × 10−179 |
| Rfa3 | 473 | RpaB1 | 311 | one OB-fold/ one Zinc Finger |
67 | 2 × 10−150 | |
| Rfa7 | 465 | RpaA2 | 623 | COG3390 domain; uncharacterized | 65 | 8 × 10−93 | |
| Rfa8 | 190 | RpaB2 | 196 | COG3390 domain; uncharacterized | 75 | 2 × 10−101 | |
| YhcR | 247 | HVO_1336 | 260 | Phosphoesterase | 57 | 1 × 10−78 | |
| Ral | 134 | HVO_0290 | 137 | Unique to Haloarchaea [18] | 66 | 7 × 10−65 | |
| Crenarchaeal/Bacterial | Rfa5 Rfa6 |
330 299 |
HVO_A0019 | 302 | 1 OB fold | 88 * 78 |
0.0 * 3 × 10−173 |
| HVO_A0374 | 301 | 1 OB fold | 88 83 |
0.0 0.0 |
|||
| HVO_A0409 | 287 | 1 OB fold | 73 71 |
8 × 10−155
4 × 10−150 |
|||
| Euryarchaeal | Rfa1 | 474 | RpaC | 483 | 3 OB folds; Essential in Hfx. volcanii |
60 | 0.0 |
* First values are compared to Rfa5; second values are compared to Rfa6. OB: oligonucleotide oligosaccharide binding; aa: amino acids.