This entry was last updated at: Feb. 9, 2018, 3:51 a.m.
Group | [NiFe] Group 1: Respiratory H2-uptake [NiFe] hydrogenases |
Subgroup | [NiFe] Group 1h: Actinobacteria-type |
Function | Hydrogenotrophic respiration using O2 as terminal electron acceptor. Enzyme scavenges electrons from atmospheric H2 to fuel respiratory chain during carbon-starvation. Route of electron transfer unresolved. |
Activity | H2-uptake (unidirectional, high-affinity) |
Oxygen tolerance | O2-tolerant or O2-insensitive |
Localisation | Membrane-associated? |
Ecosystem distribution | Upland soils, plant tissues, possibly surface waters |
Taxonomic distribution | Widespread among obligately aerobic soil bacteria, especially Actinobacteria, Acidobacteria, and Chloroflexi |
e.g. Mycobacterium smegmatis (WP_003893634.1):
Structures |
|
Subunits | 3? |
Subunit description | HyhL (hydrogenase large subunit) HyhS (hydrogenase small subunit) HyhE (putative iron-sulfur protein and proposed physiological electron acceptor) |
Catalytic site | [NiFe]-centre |
FeS clusters | Proximal: 3Cys1Asp[4Fe4S] Medial: 4Cys[4Fe4S] Distal: 3Cys1His[4Fe4S] |
NCBI Accession | Organism | Hydrogenase Class | Phylum | Order | Activity (Predicted) | Oxygen Tolerance (Predicted) | Subunits (Predicted) | Metal Centres (Predicted) | Accessory Subunits (Predicted) |
---|---|---|---|---|---|---|---|---|---|
WP_012890477.1 | Streptosporangium roseum | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_012934014.1 | Conexibacter woesei | [NiFe] Group 1h | Actinobacteria | Solirubrobacterales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_013006069.1 | Streptomyces scabiei | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_013132859.1 | Thermobispora bispora | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_013225646.1 | Amycolatopsis mediterranei | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_013423858.1 | Frankia sp. EuI1c | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_013806771.1 | Amycolicicoccus subflavus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_014150953.1 | Streptomyces cattleya | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_014267363.1 | Granulicella mallensis | [NiFe] Group 1h | Acidobacteria | Acidobacteriales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_014376814.1 | Blastococcus saxobsidens | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_014512387.1 | Sulfolobus islandicus | [NiFe] Group 1h | Crenarchaeota | Sulfolobales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_014670577.1 | Streptomyces hygroscopicus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_014815377.1 | Mycobacterium chubuense | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_014892893.1 | Methylocystis sp. SC2 | [NiFe] Group 1h | Alphaproteobacteria | Rhizobiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_014942609.1 | Mycobacterium indicus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_015247797.1 | Singulisphaera acidiphila | [NiFe] Group 1h | Planctomycetes | Planctomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_015355236.1 | Mycobacterium liflandii | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_015655687.1 | Streptomyces davawensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_015922819.1 | Thermomicrobium roseum | [NiFe] Group 1h | Chloroflexi | Thermomicrobiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_016573948.1 | Streptomyces albulus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_016920676.1 | Methylocystis parvus | [NiFe] Group 1h | Alphaproteobacteria | Rhizobiales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_017611790.1 | Nocardiopsis salina | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_018161883.1 | Smaragdicoccus niigatensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_018330638.1 | Actinomycetospora chiangmaiensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_018502886.1 | Frankia sp. BCU110501 | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_019807844.1 | Saccharomonospora halophila | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_019819110.1 | Saccharomonospora saliphila | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020124082.1 | Streptomyces canus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020274692.1 | Streptomyces afghaniensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020375837.1 | Sulfobacillus thermosulfidooxidans | [NiFe] Group 1h | Firmicutes | Bacillales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020460087.1 | Frankia sp. EAN1pec | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020500148.1 | Sciscionella marina | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020516695.1 | Actinoplanes globisporus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020540932.1 | Nonomuraea coxensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020728307.1 | Mycobacterium marinum | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020823195.1 | Mycobacterium yongonense | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020907450.1 | Rhodococcus erythropolis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_020938041.1 | Streptomyces collinus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_021597135.1 | Actinomadura madurae | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_023372393.1 | Mycobacterium kansasii | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_023543351.1 | Streptomyces niveus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_023553242.1 | Streptomyces roseochromogenes | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_025349261.1 | Nocardia nova | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_026219116.1 | Streptomyces scabrisporus | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_026402909.1 | Actinomadura rifamycini | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_026468830.1 | Amycolatopsis balhimycina | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_027944444.1 | Amycolatopsis taiwanensis | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_028059415.1 | Solirubrobacter sp. URHD0082 | [NiFe] Group 1h | Actinobacteria | Solirubrobacterales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_028062027.1 | Solirubrobacter soli | [NiFe] Group 1h | Actinobacteria | Solirubrobacterales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
WP_028930304.1 | Pseudonocardia asaccharolytica | [NiFe] Group 1h | Actinobacteria | Actinomycetales | Aerobic Uptake | Tolerant | 3 | [NiFe]-centre, 3 x [4Fe4S] clusters | [FeS] protein |
Genetics:
Physiology:
Biochemistry: