This entry was last updated at: Feb. 9, 2018, 6:15 a.m.
Group | [FeFe]-hydrogenases |
Subgroup | [FeFe] Group C3: Phosphatase-linked |
Function | Unconfirmed role. May serve as H2-sensors in regulatory cascades. Enzyme predicted to transfer H2-liberated electrons to PAS domain. Associated redox change may modulate activity of associated serine/threonine phosphatase or AAA-type ATPase domains. Members of this class are co-transcribed with fermentative hydrogenases and appear to regulate their transcription. |
Activity | H2-sensing? |
Oxygen tolerance | O2-labile |
Localisation | Cytosolic |
Ecosystem distribution | Gastrointestinal tracts, anoxic soils and sediments |
Taxonomic distribution | Widespread in anaerobic bacteria, including Firmicutes, Deltaproteobacteria, and Spirochaete |
Organisation 1: Ruminococcus albus (WP_002849014.1):
Organisation 2: Geobacter sulfurreducens (WP_014552161.1):
Structures |
|
Subunits | 1 or 3 |
Subunit description | Organisation 1: HydS (catalytic subunit with PAS domain), HydP (serine/threonine phosphatase), HydT (thioredoxin) Organisation 2: HydS fusion (catalytic subunit with PAS domain fused to AAA-type ATPase domain) |
Catalytic site | [FeFe]-centre |
FeS clusters | 2 [4Fe4S] clusters |
NCBI Accession | Organism | Hydrogenase Class | Phylum | Order | Activity (Predicted) | Oxygen Tolerance (Predicted) | Subunits (Predicted) | Metal Centres (Predicted) | Accessory Subunits (Predicted) |
---|---|---|---|---|---|---|---|---|---|
WP_011928108.1 | Pelotomaculum thermopropionicum | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012065100.1 | Alkaliphilus metalliredigens | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012268929.1 | Thermoanaerobacter pseudethanolicus | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012414922.1 | Elusimicrobium minutum | [FeFe] Group C3 | Elusimicrobia | Elusimicrobiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012447302.1 | Natranaerobius thermophilus | [FeFe] Group C3 | Firmicutes | Natranaerobiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012547917.1 | Dictyoglomus thermophilum | [FeFe] Group C3 | Dictyoglomi | Dictyoglomales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012582931.1 | Dictyoglomus turgidum | [FeFe] Group C3 | Dictyoglomi | Dictyoglomales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012635137.1 | Halothermothrix orenii | [FeFe] Group C3 | Firmicutes | Halanaerobiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012635165.1 | Halothermothrix orenii | [FeFe] Group C3 | Firmicutes | Halanaerobiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012862884.1 | Sebaldella termitidis | [FeFe] Group C3 | Fusobacteria | Fusobacteriales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_012996079.1 | Thermoanaerobacter italicus | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_013150921.1 | Thermoanaerobacter mathranii | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_013387666.1 | Ilyobacter polytropus | [FeFe] Group C3 | Fusobacteria | Fusobacteriales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_013570771.1 | Thermoanaerobacter brockii | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_013657393.1 | Cellulosilyticum lentocellum | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_013809975.1 | Desulfotomaculum carboxydivorans | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_013823945.1 | Desulfotomaculum kuznetsovii | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_013824003.1 | Desulfotomaculum kuznetsovii | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_013842496.1 | Desulfotomaculum ruminis | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_014553745.1 | Halanaerobium praevalens | [FeFe] Group C3 | Firmicutes | Halanaerobiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_014855313.1 | Melioribacter roseus | [FeFe] Group C3 | Ignavibacteriae | Ignavibacteriales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_015325786.1 | Halobacteroides halobius | [FeFe] Group C3 | Firmicutes | Halanaerobiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_015518172.1 | Ruminiclostridium siraeum | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_016777698.1 | Anaerophaga thermohalophila | [FeFe] Group C3 | Bacteroidetes | Bacteroidales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_017416084.1 | Clostridium tunisiense | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_017873317.1 | Caldatribacterium californiense | [FeFe] Group C3 | Atribacteria | Unclassified | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_017890116.1 | Caldatribacterium saccharofermentans | [FeFe] Group C3 | Atribacteria | Unclassified | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_018085928.1 | Desulfurispora thermophila | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_018592801.1 | Terrisporobacter glycolicus | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_019880479.1 | Succinispira mobilis | [FeFe] Group C3 | Firmicutes | Selenomonadales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_023383391.1 | Youngiibacter fragilis | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_026475064.1 | Alkaliflexus imshenetskii | [FeFe] Group C3 | Bacteroidetes | Bacteroidales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_026894719.1 | Clostridiisalibacter paucivorans | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_027356645.1 | Desulfotomaculum thermocisternum | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_027625074.1 | Clostridium lundense | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_027637671.1 | Clostridium cadaveris | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_027718651.1 | Desulfovirgula thermocuniculi | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_028992244.1 | Thermoanaerobacter thermocopriae | [FeFe] Group C3 | Firmicutes | Thermoanaerobacterales | Sensory | Labile | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
WP_004081666.1 | Thermotoga maritima | [FeFe] Group C3 | Thermotogae | Thermotogales | Sensory | Sensitive | 2 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase |
AIO18481.1 | Mollicutes bacterium HR1 | [FeFe] Group C3 | Tenericutes | Mollicutes | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_002568890.1 | Lachnoclostridium bolteae | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_002849014.1 | Ruminococcus albus | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_003499089.1 | Lachnoclostridium symbiosum | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_003507891.1 | Lachnoclostridium symbiosum | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_004608289.1 | Lachnoclostridium scindens | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_004614045.1 | Tyzzerella nexilis | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_004629692.1 | Ruminiclostridium termitidis | [FeFe] Group C3 | Firmicutes | Clostridiales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_005037180.1 | Holophaga foetida | [FeFe] Group C3 | Acidobacteria | Holophagales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_005659983.1 | Dethiosulfovibrio peptidovorans | [FeFe] Group C3 | Synergistetes | Synergistales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
WP_005996231.1 | Desulfovibrio fructosivorans | [FeFe] Group C3 | Deltaproteobacteria | Desulfovibrionales | Sensory | Labile | 3 | [FeFe]-centre, 2 x [4Fe4S] clusters, PAS domain | Phosphatase, thioredoxin |
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