| O83092 | RIR2_TREPA | Treponema pallidum (strain Nichols) | nrdB TP_0053 | Detail |
| O57175 | RIR2_VACCA | Vaccinia virus (strain Ankara) (VACV) | MVA032L ACAM3000_MVA_032 | Detail |
| Q89AS5 | RIR2_BUCBP | Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp) | nrdB bbp_167 | Detail |
| Q5AV81 | Y7799_EMENI | Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) (Aspergillus nidulans) | AN7799 | Detail |
| Q10494 | YDG7_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | SPAC26F1.07 | Detail |
| Q5UQG2 | YL498_MIMIV | Acanthamoeba polyphaga mimivirus (APMV) | MIMI_L498 | Detail |
| P0AG84 | YGHA_ECOLI | Escherichia coli (strain K12) | yghA b3003 JW2972 | Detail |
| O32159 | YURR_BACSU | Bacillus subtilis (strain 168) | yurR BSU32630 | Detail |
| G3Y424 | YANF_ASPNA | Aspergillus niger (strain ATCC 1015 / CBS 113.46 / FGSC A1144 / LSHB Ac4 / NCTC 3858a / NRRL 328 / USDA 3528.7) | yanF ASPNIDRAFT_44970 | Detail |
| Q0IIB1 | PHYD1_BOVIN | Bos taurus (Bovine) | PHYHD1 | Detail |