# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.371498 Archaea.31449 Euryarchaeota.35686 Pyrococcus.3390 - pho.372 pho:PH0363 PH0363; 1291aa long hypothetical ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Pyrococcus.2496 - pab.713 pab:PAB1057 nrd; nrd inteins containing ribonucleotide reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Pyrococcus.3794 Pyrococcus_furiosus.1159 pfu.439 pfu:PF0440 ribonucleotide reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Pyrococcus.3794 Pyrococcus_furiosus.1159 pfi.257 pfi:PFC_01315 ribonucleotide-diphosphate reductase subunit alpha; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Pyrococcus.2496 Pyrococcus_sp_.1020 pyn.988 pyn:PNA2_0991 ribonucleotide-diphosphate reductase alpha subunit; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Pyrococcus.3038 - pya.1545 pya:PYCH_15980 Ribonucleoside-diphosphate reductase alpha subunit (nrdA); K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Pyrococcus.3038 Pyrococcus_sp_.2463 pys.509 pys:Py04_0515 Ribonucleoside-diphosphate reductase subunit alpha; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Pyrococcus.3390 - pyc.259 pyc:TQ32_01360 response regulator SirA; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.6324 - tko.1714 tko:TK1736 ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - ton.1816 ton:TON_1816 Hypothetical ribonucleotide reductase alpha subunit; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - tga.426 tga:TGAM_0422 nrdA; Ribonucleoside-diphosphate reductase alpha subunit (nrdA); K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4976 - tsi.1123 tsi:TSIB_1142 Ribonucleotide reductase alpha subunit; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4973 - tba.2125 tba:TERMP_02134 ribonucleotide reductase of class II, coenzyme B12-dependent; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 Thermococcus_sp_.3590 the.1216 the:GQS_06105 ribonucleoside-diphosphate reductase, adenosylcobalamin-dependent; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.6324 Thermococcus_sp_.579 tha.106 tha:TAM4_1100 ribonucleoside-diphosphate reductase, coenzyme B12-dependent; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - thm.849 thm:CL1_0862 ribonucleoside-diphosphate reductase subunit alpha; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4972 - tlt.127 tlt:OCC_00627 response regulator SirA; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4975 - ths.29 ths:TES1_0017 Ribonucleotide-diphosphate reductase subunit alpha; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - tnu.1436 tnu:BD01_1469 Ribonucleotide reductase, alpha subunit; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.7847 - teu.683 teu:TEU_03710 response regulator SirA; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - tgy.1151 tgy:X802_06045 response regulator SirA; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4975 Thermococcus_sp_.7171 thv.1320 thv:ADU37_CDS13210 Ribonucleotide reductase of class II (coenzyme B12-dependent), intein-containing; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.10018 - tch.526 tch:CHITON_0534 Ribonucleotide reductase of class II (coenzyme B12-dependent) @ intein-containing; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.6324 - tpep.1229 tpep:A0127_06450 ribonucleotide-diphosphate reductase subunit alpha; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - tpie.511 tpie:A7C91_02975 ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - tgg.1421 tgg:A3K92_07425 ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.7847 - tce.366 tce:A3L02_01915 response regulator SirA; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.7758 - tbs.1963 tbs:A3L01_10160 response regulator SirA; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 Thermococcus_sp_.5860 thh.1943 thh:CDI07_10010 ribonucleoside-diphosphate reductase, adenosylcobalamin-dependent; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - tsl.670 tsl:A3L11_03465 ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.7758 - ttd.208 ttd:A3L14_01055 response regulator SirA; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - tprf.1972 tprf:A3L09_10220 ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - trl.1851 trl:A3L10_09535 ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 Thermococcus.4974 - tpaf.567 tpaf:A3L08_02945 ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Euryarchaeota.35686 - - ppac.1840 ppac:PAP_09525 ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 Nitrosopumilus.1138 - nmr.1619 nmr:Nmar_1627 ribonucleoside-diphosphate reductase, adenosylcobalamin-dependent; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 Nitrosopumilus.1834 - nir.1727 nir:NSED_08870 ribonucleoside-diphosphate reductase, adenosylcobalamin-dependent; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 Nitrosopumilus.1138 - nid.430 nid:NPIRD3C_0425 Ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 Nitrosopumilus.1834 - nin.276 nin:NADRNF5_0253 Ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 - - nkr.1689 nkr:NKOR_08855 ribonucleoside-diphosphate reductase, adenosylcobalamin-dependent; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 - - nct.1529 nct:NMSP_1570 ribonucleotide-diphosphate reductase subunit alpha; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 - - csy.1543 csy:CENSYa_1770 ribonucleotide reductase, alpha subunit; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 Nitrososphaera.1217 - nga.236 nga:Ngar_c00250 nrdZ; ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 Nitrososphaera.1217 - nvn.1950 nvn:NVIE_020270 nrdZ; ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 Nitrososphaera.1217 - nev.226 nev:NTE_00110 ribonucleoside-diphosphate reductase class II; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 - - taa.975 taa:NMY3_00885 nrdZ; Ribonucleoside-diphosphate reductase NrdZ; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 - - ncv.107 ncv:NCAV_0077 Vitamin B12-dependent ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.7303 - - csu.99 csu:CSUB_C0090 ribonucleoside-diphosphate reductase alpha chain; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 - - nbv.1282 nbv:T478_1341 ribonucleoside-diphosphate reductase, adenosylcobalamin-dependent; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 - - tah.977 tah:SU86_005385 ribonucleotide reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Thaumarchaeota.417 - - ndv.1891 ndv:NDEV_1980 Ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 Nanoarchaeota.556 - - naa.554 naa:Nps_03390 ribonucleoside-diphosphate reductase; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1] OC.371498 Archaea.31449 - - - kcr.151 kcr:Kcr_0134 ribonucleoside-diphosphate reductase, adenosylcobalamin-dependent; K00525 ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1]