[FeFe] Group A3-hydrogenase

This entry was last updated at: Feb. 9, 2018, 6:46 a.m.

Properties
Group [FeFe]-hydrogenases
Subgroup [FeFe] Group A3: Bifurcating
Function Bifurcates electrons from H2 to NAD and ferredoxin. Reverse reaction can also occur resulting in reoxidation of redox carriers concomitant with fermentative H2 evolution.
Activity Electron-bifurcation
Oxygen tolerance O2-labile
Localisation Cytosolic
Distribution
Ecosystem distribution Gastrointestinal tracts, anoxic soils and sediments
Taxonomic distribution Widespread in anaerobic bacteria, including Firmicutes, Bacteroidetes, Deltaproteobacteria, and Spirochaetes
Genetic Organisation

Organisation 1: Thermotoga maritima (WP_004081677.1):


Organisation 2: Desulfovibrio fructosovorans (WP_005990603.1):

Architecture
Structures
    None
Subunits 3 or 4
Subunit description HydA (catalytic subunit)
HydB (diaphorase subunit)
HydC (thioredoxin)
In organisation 2, an additional thioredoxin (HydD) is present
Catalytic site [FeFe]-centre
FeS clusters Organisation 1: 3 [4Fe4S] clusters, 2 [2Fe2S] clusters
Organisation 2: 3 [4Fe4S] clusters, 1 [2Fe2S] cluster
Sequences in this class
NCBI AccessionOrganismHydrogenase ClassPhylumOrderActivity (Predicted)Oxygen Tolerance (Predicted)Subunits (Predicted)Metal Centres (Predicted)Accessory Subunits (Predicted)
WP_006861102.1Marvinbryantia formatexigens[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_008538939.1Megamonas funiformis[FeFe] Group A3FirmicutesSelenomonadalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_014857142.1Melioribacter roseus[FeFe] Group A3IgnavibacteriaeIgnavibacterialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 2 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_005841395.1Mitsuokella multacida[FeFe] Group A3FirmicutesSelenomonadalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
AIO18212.1Mollicutes bacterium HR1[FeFe] Group A3TenericutesMollicutesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
AIO18671.1Mollicutes bacterium HR1[FeFe] Group A3TenericutesMollicutesBifurcatingLabile2[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase
AIO19694.1Mollicutes bacterium HR1[FeFe] Group A3TenericutesMollicutesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
AIO19709.1Mollicutes bacterium HR1[FeFe] Group A3TenericutesMollicutesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
KFZ25760.1Mollicutes bacterium HR2[FeFe] Group A3TenericutesMollicutesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
KFZ26040.1Mollicutes bacterium HR2[FeFe] Group A3TenericutesMollicutesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
KFZ27631.1Mollicutes bacterium HR2[FeFe] Group A3TenericutesMollicutesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_011393219.1Moorella thermoacetica[FeFe] Group A3FirmicutesThermoanaerobacteralesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_013610540.1Odoribacter splanchnicus[FeFe] Group A3BacteroidetesBacteroidalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_012374366.1Opitutus terrae[FeFe] Group A3VerrucomicrobiaOpitutalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_018249206.1Orenia marismortui[FeFe] Group A3FirmicutesHalanaerobialesBifurcatingLabile4[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin, thioredoxin
WP_014117537.1Oscillibacter valericigenes[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_016314690.1Paenibacillus barengoltzii[FeFe] Group A3FirmicutesBacillalesBifurcatingLabile4[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin, thioredoxin
WP_007656765.1Parabacteroides goldsteinii[FeFe] Group A3BacteroidetesBacteroidalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_028729360.1Parabacteroides gordonii[FeFe] Group A3BacteroidetesBacteroidalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_008157755.1Parabacteroides johnsonii[FeFe] Group A3BacteroidetesBacteroidalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_005643305.1Parabacteroides merdae[FeFe] Group A3BacteroidetesBacteroidalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_011341336.1Pelobacter carbinolicus[FeFe] Group A3DeltaproteobacteriaDesulfuromonadalesBifurcatingLabile4[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin, thioredoxin
WP_011341365.1Pelobacter carbinolicus[FeFe] Group A3DeltaproteobacteriaDesulfuromonadalesBifurcatingLabile4[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin, thioredoxin
WP_011735399.1Pelobacter propionicus[FeFe] Group A3DeltaproteobacteriaDesulfuromonadalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_007952324.1Pelosinus fermentans[FeFe] Group A3FirmicutesSelenomonadalesBifurcatingLabile3[FeFe]-centre, 2 x [4Fe4S] clustersNADH dehydrogenase, thioredoxin
WP_007953234.1Pelosinus fermentans[FeFe] Group A3FirmicutesSelenomonadalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_012032547.1Pelotomaculum thermopropionicum[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_012033166.1Pelotomaculum thermopropionicum[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_021434166.1Peptoclostridium bifermentans[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_032508101.1Peptoclostridium difficile[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_005367839.1Peptoclostridium yurii[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_012208968.1Petrotoga mobilis[FeFe] Group A3ThermotogaeThermotogalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_021133133.1Phaeospirillum fulvum[FeFe] Group A3AlphaproteobacteriaRhodospirillalesBifurcatingLabile2[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase
WP_002730048.1Phaeospirillum molischianum[FeFe] Group A3AlphaproteobacteriaRhodospirillalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_009145651.1Phascolarctobacterium succinatutens[FeFe] Group A3FirmicutesSelenomonadalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_026781963.1Pleomorphomonas koreensis[FeFe] Group A3AlphaproteobacteriaRhizobialesBifurcatingLabile2[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase
WP_026791754.1Pleomorphomonas oryzae[FeFe] Group A3AlphaproteobacteriaRhizobialesBifurcatingLabile2[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase
WP_025863481.1Prolixibacter bellariivorans[FeFe] Group A3BacteroidetesBacteroidalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_025863484.1Prolixibacter bellariivorans[FeFe] Group A3BacteroidetesBacteroidalesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_026327676.1Proteiniphilum acetatigenes[FeFe] Group A3BacteroidetesBacteroidalesBifurcatingLabile2[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase
WP_028828670.1Proteocatella sphenisci[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_028828847.1Proteocatella sphenisci[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_006573275.1Pseudoflavonifractor capillosus[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_028856758.1Psychrilyobacter atlanticus[FeFe] Group A3FusobacteriaFusobacterialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_028856899.1Psychrilyobacter atlanticus[FeFe] Group A3FusobacteriaFusobacterialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_014413848.1Rhodospirillum photometricum[FeFe] Group A3AlphaproteobacteriaRhodospirillalesBifurcatingLabile2[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase
WP_027627105.1Ruminiclostridium cellobioparum[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile4[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin, thioredoxin
WP_027627473.1Ruminiclostridium cellobioparum[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile3[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin
WP_014254579.1Ruminiclostridium clariflavum[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile4[FeFe]-centre, 3 x [4Fe4S] clusters, 1 x [2Fe2S] clusterNADH dehydrogenase, thioredoxin, thioredoxin
WP_003534157.1Ruminiclostridium leptum[FeFe] Group A3FirmicutesClostridialesBifurcatingLabile4[FeFe]-centre, 2 x [4Fe4S] clustersNADH dehydrogenase, thioredoxin, thioredoxin

Literature

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