This entry was last updated at: Feb. 9, 2018, 7:34 a.m.
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 |
Ecosystem distribution | Diverse soil and aquatic environments |
Taxonomic distribution | Encoded in multiple diverse bacterial and archaeal phyla |
e.g. Pyrococcus furiosus (WP_011012029.1):
Structures | |
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] |
NCBI Accession | Organism | Hydrogenase Class | Phylum | Order | Activity (Predicted) | Oxygen Tolerance (Predicted) | Subunits (Predicted) | Metal Centres (Predicted) | Accessory Subunits (Predicted) |
---|---|---|---|---|---|---|---|---|---|
WP_024879702.1 | Methylosinus sp. LW3 | [NiFe] Group 3b | Alphaproteobacteria | Rhizobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_018265836.1 | Methylosinus sp. LW4 | [NiFe] Group 3b | Alphaproteobacteria | Rhizobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_003611589.1 | Methylosinus trichosporium | [NiFe] Group 3b | Alphaproteobacteria | Rhizobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_020412786.1 | Microbulbifer variabilis | [NiFe] Group 3b | Gammaproteobacteria | Alteromonadales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_014814971.1 | Mycobacterium chubuense | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_024444559.1 | Mycobacterium iranicum | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_023365427.1 | Mycobacterium kansasii | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_020730473.1 | Mycobacterium marinum | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_007168195.1 | Mycobacterium parascrofulaceum | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_003895383.1 | Mycobacterium smegmatis | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_003924002.1 | Mycobacterium thermoresistibile | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_003918688.1 | Mycobacterium xenopi | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_007021942.1 | Neptuniibacter caesariensis | [NiFe] Group 3b | Gammaproteobacteria | Oceanospirillales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_005000139.1 | Nitrococcus mobilis | [NiFe] Group 3b | Gammaproteobacteria | Chromatiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_013032567.1 | Nitrosococcus halophilus | [NiFe] Group 3b | Gammaproteobacteria | Chromatiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_005006913.1 | Nitrospina gracilis | [NiFe] Group 3b | Nitrospina | Nitrospinales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_026214329.1 | Nonomuraea coxensis | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_014292817.1 | Oceanimonas sp. GK1 | [NiFe] Group 3b | Gammaproteobacteria | Aeromonadales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_028300037.1 | Oceanospirillum beijerinckii | [NiFe] Group 3b | Gammaproteobacteria | Aeromonadales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_022808428.1 | Omnitrophus fodinae | [NiFe] Group 3b | Omnitrophica | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_029912396.1 | Pelobacter seleniigenes | [NiFe] Group 3b | Deltaproteobacteria | Desulfuromonadales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_029915222.1 | Pelobacter seleniigenes | [NiFe] Group 3b | Deltaproteobacteria | Desulfuromonadales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_012509156.1 | Pelodictyon phaeoclathratiforme | [NiFe] Group 3b | Chlorobi | Chlorobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_012676609.1 | Persephonella marina | [NiFe] Group 3b | Aquificae | Aquificales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_002644708.1 | Planctomyces maris | [NiFe] Group 3b | Planctomycetes | Planctomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_007219971.1 | Planctomycete KSU-1 | [NiFe] Group 3b | Planctomycetes | Planctomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_006969455.1 | Plesiocystis pacifica | [NiFe] Group 3b | Deltaproteobacteria | Myxococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_012506474.1 | Prosthecochloris aestuarii | [NiFe] Group 3b | Chlorobi | Chlorobiales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_010867988.1 | Pyrococcus abyssi | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_010868072.1 | Pyrococcus abyssi | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_011012029.1 | Pyrococcus furiosus | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_011012478.1 | Pyrococcus furiosus | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_010885378.1 | Pyrococcus horikoshii | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_013749130.1 | Pyrococcus sp. NA2 | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_013749017.1 | Pyrococcus sp. NA2 | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_014734005.1 | Pyrococcus sp. ST04 | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_014734228.1 | Pyrococcus sp. ST04 | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_013905579.1 | Pyrococcus yayanosii | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_013904776.1 | Pyrococcus yayanosii | [NiFe] Group 3b | Euryarchaeota | Thermococcales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_005514364.1 | Rhodococcus equi | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_021333622.1 | Rhodococcus erythropolis | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_007298856.1 | Rhodococcus imtechensis | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_011593368.1 | Rhodococcus jostii | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_005257894.1 | Rhodococcus opacus | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_003938391.1 | Rhodococcus ruber | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_005565942.1 | Rhodococcus wratislaviensis | [NiFe] Group 3b | Actinobacteria | Actinomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_009094014.1 | Rhodopirellula sp. SWK7 | [NiFe] Group 3b | Planctomycetes | Planctomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_014068049.1 | Rhodothermus marinus | [NiFe] Group 3b | Bacteroidetes | Unclassified | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_010585297.1 | Schlesneria paludicola | [NiFe] Group 3b | Planctomycetes | Planctomycetales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
WP_009139266.1 | Slackia piriformis | [NiFe] Group 3b | Actinobacteria | Coriobacteriales | Bidirectional | Tolerant | 4 | [NiFe]-centre, 3 x [4Fe4S] clusters | Diaphorase, [FeS] protein |
Genetics:
Physiology:
Biochemistry:
Chemistry: