| P50651 | RIR2A_ARATH | Arabidopsis thaliana (Mouse-ear cress) | RNR2A RNR2 At3g23580 MDB19.6 | Detail |
| P9WH72 | RIR2A_MYCTO | Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) | nrdF1 MT2033 | Detail |
| A1KF53 | RIR2H_MYCBP | Mycobacterium bovis (strain BCG / Pasteur 1173P2) | BCG_0270 | Detail |
| A4TB76 | RIR2H_MYCGI | Mycolicibacterium gilvum (strain PYR-GCK) (Mycobacterium gilvum (strain PYR-GCK)) | Mflv_3061 | Detail |
| Q73TP6 | RIR2H_MYCPA | Mycolicibacterium paratuberculosis (strain ATCC BAA-968 / K-10) (Mycobacterium paratuberculosis) | MAP_3672 | Detail |
| P0C8I1 | RIR2_ASFP4 | African swine fever virus (isolate Tick/South Africa/Pretoriuskop Pr4/1996) (ASFV) | Pret-056 | Detail |
| P50621 | RIR2_BACSU | Bacillus subtilis (strain 168) | nrdF BSU17390 | Detail |
| O61065 | RIR1_CRYPV | Cryptosporidium parvum | RNR1 | Detail |
| P9WH74 | RIR1_MYCTO | Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) | nrdE MT3137 | Detail |
| Q9UW15 | RIR1_NEUCR | Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) | rnr-1 B2A19.30 NCU03539 | Detail |