[NiFe] Group 1b-hydrogenase

This entry was last updated at: Feb. 9, 2018, 7:09 a.m.

Properties
Group [NiFe] Group 1: Respiratory H2-uptake [NiFe] hydrogenases
Subgroup [NiFe] Group 1b: Prototypical
Function Hydrogenotrophic respiration using sulfate, fumarate, nitrate, metals, and azo compounds as terminal electron acceptors. Enzyme transfers H2-liberated electrons through cytochromes to terminal reductase.
Activity H2-uptake (unidirectional)
Oxygen tolerance O2-sensitive
Localisation Membrane-bound or periplasmic
Distribution
Ecosystem distribution Anoxic soils and sediments, marine waters, animal gastrointestinal tracts
Taxonomic distribution Widespread in Deltaproteobacteria and Epsilonproteobacteria
Genetic Organisation

e.g. Wolinella succinogenes (WP_011139497.1):

Architecture
Structures
  • 4U9H (Desulfovibrio vulgaris, 0.9 Å resolution, reduced)
  • 4U9I (Desulfovibrio vulgaris, 1.1 Å resolution, reduced)
  • 1H2R (Desulfovibrio vulgaris, 1.4 Å resolution, active)
  • 1H2A (Desulfovibrio vulgaris, 1.8 Å resolution, oxidised)
  • 1YRQ (Desulfovibrio fructosovorans, 2.1 Å resolution, oxidised)
  • 4URH (Desulfovibrio fructosovorans, 1.4 Å resolution, oxidised)
  • 1YQW (Desulfovibrio fructosovorans, 1.8 Å resolution, oxidised)
  • 4FRF (Desulfovibrio fructosovorans, 2.7 Å resolution, oxidised)
  • 1YQ9 (Desulfovibrio gigas, 2.4 Å resolution, oxidised)
  • 2FRV (Desulfovibrio gigas, 2.5 Å resolution, oxidised)
  • 1FRV (Desulfovibrio gigas, 2.9 Å resolution, oxidised)
  • 1E3D (Desulfovibrio desulfuricans, 1.8 Å resolution, oxidised)
Subunits 3
Subunit description HynB (hydrogenase large subunit)
HynA (hydrogenase small subunit)
HynC (cytochrome b subunit)
In Deltaproteobacteria, CycA (cytochrome c3 subunit) substitutes for HynC
Catalytic site [NiFe]-centre
FeS clusters Proximal: 4Cys[4Fe4S] or 3Cys1Asn[4Fe4S]
Medial: 3Cys[3Fe4S]
Distal: 3Cys1His[4Fe4S]
Sequences in this class
NCBI AccessionOrganismHydrogenase ClassPhylumOrderActivity (Predicted)Oxygen Tolerance (Predicted)Subunits (Predicted)Metal Centres (Predicted)Accessory Subunits (Predicted)
WP_027188779.1Desulfovibrio cuneatus[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_020001707.1Desulfovibrio desulfuricans[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_005996860.1Desulfovibrio fructosivorans[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_021760964.1Desulfovibrio gigas[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_015337220.1Desulfovibrio hydrothermalis[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_027182711.1Desulfovibrio inopinatus[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_022660651.1Desulfovibrio longus[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_015860257.1Desulfovibrio magneticus[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_018125512.1Desulfovibrio oxyclinae[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_018126002.1Desulfovibrio oxyclinae[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_015414692.1Desulfovibrio piezophilus[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_015415315.1Desulfovibrio piezophilus[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_006008218.1Desulfovibrio piger[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_027191085.1Desulfovibrio putealis[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_015851793.1Desulfovibrio salexigens[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_020879797.1Desulfovibrio sp. X2[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_010939208.1Desulfovibrio vulgaris[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_010939796.1Desulfovibrio vulgaris[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_027722919.1Desulfovibrio zosterae[NiFe] Group 1bDeltaproteobacteriaDesulfovibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_025391229.1Desulfurella acetivorans[NiFe] Group 1bDeltaproteobacteriaDesulfurellalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_022670762.1Hippea alviniae[NiFe] Group 1bDeltaproteobacteriaDesulfurellalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_013682101.1Hippea maritima[NiFe] Group 1bDeltaproteobacteriaDesulfurellalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_025270233.1Hippea sp. KM1[NiFe] Group 1bDeltaproteobacteriaDesulfurellalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_007473991.1Caminibacter mediatlanticus[NiFe] Group 1bEpsilonproteobacteriaNautilialesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_007474315.1Caminibacter mediatlanticus[NiFe] Group 1bEpsilonproteobacteriaNautilialesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_024789021.1Lebetimonas sp. JH292[NiFe] Group 1bEpsilonproteobacteriaNautilialesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_012663540.1Nautilia profundicola[NiFe] Group 1bEpsilonproteobacteriaNautilialesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_012082337.1Nitratiruptor sp. SB155-2[NiFe] Group 1bEpsilonproteobacteriaNautilialesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_011699790.1Syntrophobacter fumaroxidans[NiFe] Group 1bDeltaproteobacteriaSyntrophobacteralesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_011371454.1Thiomicrospira crunogena[NiFe] Group 1bGammaproteobacteriaThiotrichalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_025322049.1Deferrisoma camini[NiFe] Group 1bDeltaproteobacteriaUnclassifiedAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_012083422.1Sulfurovum sp. NBC37-1[NiFe] Group 1bEpsilonproteobacteriaUnclassifiedAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_005368230.1Photobacterium angustum[NiFe] Group 1bGammaproteobacteriaVibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_005299657.1Photobacterium damselae[NiFe] Group 1bGammaproteobacteriaVibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_008987220.1Photobacterium leiognathi[NiFe] Group 1bGammaproteobacteriaVibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome
WP_023403981.1Vibrio halioticoli[NiFe] Group 1bGammaproteobacteriaVibrionalesAnaerobic UptakeSensitive3[NiFe]-centre, 2 x [4Fe4S] clusters, 1 x [3Fe4S] clusterCytochrome

Literature

Genetics:

Physiology:

Biochemistry:

Chemistry: