Table 2.
Comparison of ψ sites and corresponding modification enzymes in 23S rRNA of E. coli and B. subtilis.
| E.c. Mod | B.s. Mod (n° in Ref [93,94]) | E.c Protein | B.s Protein | Evidence |
|---|---|---|---|---|
| Ψ746 | U793 (791) | RluA | NA | |
| Ψ955 | U1001 (999) | RluC | NA | |
| Ψ1911 | Ψ1940 (1938) | RluD | YhcT/BSU09210 | PsiSeq |
| Ψ1915 * | Ψ1944 * (1942) | RluD | YhcT/BSU09210 | PsiSeq |
| Ψ1917 | Ψ1946 (1944) | RluD | YhcT/BSU09210 | PsiSeq |
| Ψ2457 | U2486(2484) | RluE | NA | |
| U2492 | Ψ2521 (2520) | NA | YlmL/BSU15460 | Only sequence similarity |
| Ψ2504 | U2533 (2532) | RluC | NA | |
| Ψ2580 | U2609 (2608) | RluC | NA | |
| Ψ2604 | U2633 (2632) | RluF | NA | |
| Ψ2605 | Ψ2634 (2633) | RluB | YpuL/BSU23160 | Experimental [95] |
* Certainly further modified to m3ψ, as attested by RT signature for this position (Figure S1).