>gnl|CDD|99784 cd06187, O2ase_reductase_like, The oxygenase reductase FAD/NADH binding domain acts as part of the multi-component bacterial oxygenases which oxidize hydrocarbons using oxygen as the oxidant. Electron transfer is from NADH via FAD (in the oxygenase reductase) and an [2FE-2S] ferredoxin center (fused to the FAD/NADH domain and/or discrete) to the oxygenase. Dioxygenases add both atoms of oxygen to the substrate, while mono-oxygenases (aka mixed oxygenases) add one atom to the substrate and one atom to water. In dioxygenases, Class I enzymes are 2 component, containing a reductase with Rieske type [2Fe-2S] redox centers and an oxygenase. Class II are 3 component, having discrete flavin and ferredoxin proteins and an oxygenase. Class III have 2 [2Fe-2S] centers, one fused to the flavin domain and the other separate.. Length = 224

Score = 77.2 bits (191), Expect = 4e-15 Identities = 51/231 (22%), Positives = 95/231 (41%), Gaps = 25/231 (10%) Query: 17 VISIKHYTDRLFRFCITRPKSFRFRSGEFVMLGLMVNGRRISRAYSMASPCWDD-KLEFF 75 V+S++ T + + + F +G++V + + R RAYS A+P +D ++EF Sbjct: 1 VVSVERLTHDIAVVRLQLDQPLPFWAGQYVNVT-VPGRPRTWRAYSPANPPNEDGEIEFH 59 Query: 76 SIKVEQGPLTTHL-QNIQPGDTILLHKKSTGTLVLDALIPGNRLYLFSTGTGIAPFVSVI 134 V G ++ L ++ GD + L GT L L + + GTG+AP +++ Sbjct: 60 VRAVPGGRVSNALHDELKVGDRVRL-SGPYGTFYLRRDHDRPVLCI-AGGTGLAPLRAIV 117 Query: 135 RDPGTYEKFDEVIVTQTCRQVVELQYGIDVMHEISQDEILKDLIGQKLKFYRTVTQED-- 192 D + V + R +L Y ++ + ++ L+ V+ E+ Sbjct: 118 EDALRRGEPRPVHLFFGARTERDL-YDLEGLLALAARH-------PWLRVVPVVSHEEGA 169 Query: 193 -YLYKGRITNHILSGEFYRNMDLSPLNPDTDRIMICGSPTMIVDMKDLLIA 242 +G +T+ + G + I ICG P M+ D L+A Sbjct: 170 WTGRRGLVTDVV--GRDG-------PDWADHDIYICGPPAMVDATVDALLA 211

RPSBLAST alignment for GI: 254780363 and conserved domain: cd06187