[NiFe] Group 3b-hydrogenase

This entry was last updated at: Feb. 9, 2018, 7:34 a.m.

Properties
Group [NiFe] Group 3: Cofactor-coupled bidirectional [NiFe] hydrogenases
Subgroup [NiFe] Group 3b: NADP-coupled
Function Directly couples oxidation of NADPH to fermentative evolution of H2. Reverse reaction may also occur. Some complexes controversially proposed to harbour sulfhydrogenase activity.
Activity Bidirectional
Oxygen tolerance O2-tolerant
Localisation Cytosolic
Distribution
Ecosystem distribution Diverse soil and aquatic environments
Taxonomic distribution Encoded in multiple diverse bacterial and archaeal phyla
Genetic Organisation

e.g. Pyrococcus furiosus (WP_011012029.1):

Architecture
Structures
  • 5ODC (Methanothermococcus thermolithotrophicus, 2.3 Å resolution)
  • 5ODH (Methanothermococcus thermolithotrophicus, 2.2 Å resolution, bound with heterodisulfide)
  • 5ODI (Methanothermococcus thermolithotrophicus, 2.4 Å resolution, bound with coenzyme M)
Subunits 4
Subunit description HyhL (hydrogenase large subunit)
HyhS (hydrogenase small subunit)
HyhG (diaphorase catalytic subunit)
HyhB (diaphorase electron transfer subunit)
Catalytic site [NiFe]-centre
FeS clusters Proximal: 4Cys[4Fe4S]
Medial: 4Cys[4Fe4S]
Distal: 4Cys[4Fe4S]
Important Notes
Despite the ubiquitous nature of this hydrogenase, the enzyme has only been purified from Pyrococcus furiosus. It remains unclear whether bacterial enzymes are also NADP+-specific.
Sequences in this class
NCBI AccessionOrganismHydrogenase ClassPhylumOrderActivity (Predicted)Oxygen Tolerance (Predicted)Subunits (Predicted)Metal Centres (Predicted)Accessory Subunits (Predicted)
WP_012383518.1Beijerinckia indica[NiFe] Group 3bAlphaproteobacteriaRhizobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_016920195.1Methylocystis parvus[NiFe] Group 3bAlphaproteobacteriaRhizobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_018407885.1Methylocystis rosea[NiFe] Group 3bAlphaproteobacteriaRhizobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_026598467.1Methylocystis sp. LW5[NiFe] Group 3bAlphaproteobacteriaRhizobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_014890330.1Methylocystis sp. SC2[NiFe] Group 3bAlphaproteobacteriaRhizobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_024879702.1Methylosinus sp. LW3[NiFe] Group 3bAlphaproteobacteriaRhizobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_018265836.1Methylosinus sp. LW4[NiFe] Group 3bAlphaproteobacteriaRhizobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_003611589.1Methylosinus trichosporium[NiFe] Group 3bAlphaproteobacteriaRhizobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_008887819.1Citreicella sp. SE45[NiFe] Group 3bAlphaproteobacteriaRhodobacteralesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_029008300.1Azospirillum halopraeferens[NiFe] Group 3bAlphaproteobacteriaRhodospirillalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_009540223.1Caenispirillum salinarum[NiFe] Group 3bAlphaproteobacteriaRhodospirillalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_024079550.1Magnetospirillum gryphiswaldense[NiFe] Group 3bAlphaproteobacteriaRhodospirillalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_008286766.1Hydrogenivirga sp. 128-5-R1-1[NiFe] Group 3bAquificaeAquificalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_012963143.1Hydrogenobacter thermophilus[NiFe] Group 3bAquificaeAquificalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_012676609.1Persephonella marina[NiFe] Group 3bAquificaeAquificalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_012674555.1Sulfurihydrogenibium azorense[NiFe] Group 3bAquificaeAquificalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_028949840.1Sulfurihydrogenibium subterraneum[NiFe] Group 3bAquificaeAquificalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_013638346.1Desulfurobacterium thermolithotrophum[NiFe] Group 3bAquificaeDesulfurobacterialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_013537242.1Thermovibrio ammonificans[NiFe] Group 3bAquificaeDesulfurobacterialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_017890430.1Caldatribacterium californiense[NiFe] Group 3bAtribacteriaUnclassifiedBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_017873497.1Caldatribacterium saccharofermentans[NiFe] Group 3bAtribacteriaUnclassifiedBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_014068049.1Rhodothermus marinus[NiFe] Group 3bBacteroidetesUnclassifiedBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_017774733.1Burkholderia kururiensis[NiFe] Group 3bBetaproteobacteriaBurkholderialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_028214587.1Burkholderia mimosarum[NiFe] Group 3bBetaproteobacteriaBurkholderialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_020653150.1Massilia niastensis[NiFe] Group 3bBetaproteobacteriaBurkholderialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_011311775.1Thiobacillus denitrificans[NiFe] Group 3bBetaproteobacteriaHydrogenophilalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_018508430.1Thiobacillus thioparus[NiFe] Group 3bBetaproteobacteriaHydrogenophilalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_018608874.1Uliginosibacterium gangwonense[NiFe] Group 3bBetaproteobacteriaRhodocyclalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_006926982.1Caldithrix abyssi[NiFe] Group 3bCaldithrixCaldithrixalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_012501574.1Chlorobaculum parvum[NiFe] Group 3bChlorobiChlorobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_010933552.1Chlorobaculum tepidum[NiFe] Group 3bChlorobiChlorobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_011361294.1Chlorobium chlorochromatii[NiFe] Group 3bChlorobiChlorobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_006366269.1Chlorobium ferrooxidans[NiFe] Group 3bChlorobiChlorobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_012466994.1Chlorobium limicola[NiFe] Group 3bChlorobiChlorobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_011745973.1Chlorobium phaeobacteroides[NiFe] Group 3bChlorobiChlorobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_012498899.1Chloroherpeton thalassium[NiFe] Group 3bChlorobiChlorobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_012509156.1Pelodictyon phaeoclathratiforme[NiFe] Group 3bChlorobiChlorobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_012506474.1Prosthecochloris aestuarii[NiFe] Group 3bChlorobiChlorobialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_014433201.1Caldilinea aerophila[NiFe] Group 3bChloroflexiCaldilinealesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_013218375.1Dehalogenimonas lykanthroporepellens[NiFe] Group 3bChloroflexiDehalogenimonasBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_014737726.1Thermogladius cellulolyticus[NiFe] Group 3bCrenarchaeotaDesulfurococcalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_014558156.1Fervidicoccus fontis[NiFe] Group 3bCrenarchaeotaFervidicoccalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_012628086.1Cyanothece sp. PCC 7425[NiFe] Group 3bCyanobacteriaChroococcalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_017290644.1Leptolyngbya boryana[NiFe] Group 3bCyanobacteriaOscillatorialesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_027844918.1Mastigocoleus testarum[NiFe] Group 3bCyanobacteriaStigonematalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_027877222.1Meiothermus cerbereus[NiFe] Group 3bDeinococcus-ThermusThermalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_028322239.1Desulfobacterium anilini[NiFe] Group 3bDeltaproteobacteriaDesulfobacteralesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_015403594.1Desulfocapsa sulfexigens[NiFe] Group 3bDeltaproteobacteriaDesulfobacteralesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_027366709.1Desulfovibrio africanus[NiFe] Group 3bDeltaproteobacteriaDesulfovibrionalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein
WP_027716793.1Desulfuromonas sp. TF[NiFe] Group 3bDeltaproteobacteriaDesulfuromonadalesBidirectionalTolerant4[NiFe]-centre, 3 x [4Fe4S] clustersDiaphorase, [FeS] protein

Literature

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