| P50648 | RIR1_PLAF4 | Plasmodium falciparum (isolate Dd2) | RNR1 | Detail |
| P50647 | RIR1_PLAFG | Plasmodium falciparum (isolate FCR-3 / Gambia) | RNR1 | Detail |
| A0A140JWU1 | PTML_PENSI | Penicillium simplicissimum | ptmL | Detail |
| P74240 | RIR1_SYNY3 | Synechocystis sp. (strain PCC 6803 / Kazusa) | nrdA slr1164 | Detail |
| A0A140JWT4 | PTMP_PENSI | Penicillium simplicissimum | ptmP | Detail |
| P21524 | RIR1_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | RNR1 CRT7 RIR1 SDS12 YER070W | Detail |
| Q9LSD0 | RIR2C_ARATH | Arabidopsis thaliana (Mouse-ear cress) | TSO2 At3g27060 MOJ10.13 | Detail |
| Q9Z3Q8 | RHBE_RHIME | Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium meliloti) | rhbE rhsE RA1262 SMa2408 | Detail |
| A0QPD3 | RIR2H_MYCS2 | Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (Mycobacterium smegmatis) | nrdB MSMEG_0358 MSMEI_0351 | Detail |
| P9WH69 | RIR2H_MYCTU | Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) | nrdB Rv0233 | Detail |