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Hydrogenase: Applications, Structural classification & Overview

A hydrogenase is an enzyme that catalyses the reversible oxidation of molecular hydrogen (H2), as shown below:

Language: English [EN]
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Hydrogenase topic overview

The analysis highlights Applications, Structural classification and Overview as prominent areas in the source structure around Hydrogenase.

Related topics
67
Source areas
6
Connected nodes
73
Extracted relationships
150
Concept neighborhoods
25
Bridge connections
73

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Structural classification · 27 topics
Overview · 20 topics
Applications · 10 topics
Biochemical classification · 5 topics
Biological function · 3 topics
Mechanism · 2 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Structural classification

Mechanism

Biological function

Applications

Biochemical classification

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Hydrogenase connects Entity context

The extracted context around Hydrogenase shows recurring relationship patterns in the source. For example, Hydrogenase → Another, FeFe, Generally, H16, H2, H2-oxidizing, Huc, Hyd1, Hydrogen, In, Knallgas-bacteria, Like, Mycobacterium, Ni-bound, NiFe, NiFeSe, O2, On, Ralstonia, The Another extracted example is Hydrogenase → Among, Cohen, Different, FeFe, For, H2, Hydrogenases, In, It, Likewise, Low, O2, O2-inactivation, O2-tolerant, Past, Stripp, These, TOF, Various. Use these groups to spot repeated connection types before inspecting the individual relationships.

Hydrogenase

Top relations

related to [NiFe] hydrogenase · 22
Hydrogenase → Another, FeFe, Generally, H16, H2, H2-oxidizing, Huc, Hyd1, Hydrogen, In, Knallgas-bacteria, Like, Mycobacterium, Ni-bound, NiFe, NiFeSe, O2, On, Ralstonia, The
related to Biological hydrogen production · 19
Hydrogenase → Among, Cohen, Different, FeFe, For, H2, Hydrogenases, In, It, Likewise, Low, O2, O2-inactivation, O2-tolerant, Past, Stripp, These, TOF, Various
related to [Fe]-only hydrogenase · 16
Hydrogenase → Archaea, EC, Fe, FeFe, H2, H2-forming, H4MPT, II, In, Methenyl-H4MPT, NiFe, The, They, Unlike, While, X-ray
related to Mechanism · 16
Hydrogenase → Cao, Clostridium, Cornish, CpI, FeFe, For, H2, Hall, In, NiFe, Nilsson Lill, On, One, Siegbahn, The, While
related to External links · 14
Hydrogenase → Apoenzyme, Archived, Clostridium, Desulfomicrobium, Desulfovibrio, FeFe, Iron-sulphur, Mechanism, Methanothermococcus, NiFe, NiFeSe, PDB, PDB Structure, Wayback Machine
related to Biological function · 13
Hydrogenase → Accordingly, Assuming, Based, Earth's, H2, Hydrogenases, Microbial, Moreover, Recent, Such, There, These, To
related to [FeFe] hydrogenase · 10
Hydrogenase → Clostridium, Desulfovibrio, Fe2S2, FeFe, H2, Megasphaera, Scenedesmus, The, They, Three
has application · 9
Hydrogenase → H16, H2, H2-based, Hydrogenases, It, NiFe, Ralstonia, The, Understanding
related to Structural classification · 8
Hydrogenase → Fe, FeFe, H2, Hydrogenases, It, Most, NiFe, The
related to Biochemical classification · 3
Hydrogenase → NAD, NADP, NADPH

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

hydrogenases h2 hydrogen fefe active nife site found energy molecular electron production oxidation mechanism oxygen also o2 fe uptake one

Hydrogenase relationships Subject–Predicate–Object triples

TTTA extracted 150 structured relationships around Hydrogenase. Examples in this analysis include Hydrogenase → is a → enzyme that catalyses the reversible oxidation of molecular hydrogen and oxygen → instance of → is coupled to the reduction of electron acceptors. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Hydrogenaseis aenzyme that catalyses the reversible oxidation of molecular hydrogen0.90text
oxygeninstance ofis coupled to the reduction of electron acceptors0.80text
nitrateinstance ofis coupled to the reduction of electron acceptors0.80text
ferric ioninstance ofis coupled to the reduction of electron acceptors0.80text
sulfateinstance ofis coupled to the reduction of electron acceptors0.80text
carbon dioxideinstance ofis coupled to the reduction of electron acceptors0.80text
ferredoxininstance ofis coupled to the oxidation of electron donors0.80text
FNRsinstance ofBoth low-molecular weight compounds and proteins0.80text
cytochrome c3instance ofBoth low-molecular weight compounds and proteins0.80text
and cytochrome c6 can act as physiological electron donors or acceptors for hydrogenasesinstance ofBoth low-molecular weight compounds and proteins0.80text
cytochrome c3 acting as either electron donors or acceptorsinstance ofwith low-potential multihaem cytochromes0.80text
depending on their oxidation stateinstance ofwith low-potential multihaem cytochromes0.80text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Hydrogenase bring nearby vocabulary together. In this analysis, examples include H2, Hydrogen and Nife. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Hydrogenase
    • H2
    • Hydrogen
    • Nife
    • Found
    • Biofuel
    • Reversible
    • Cells
    • Clostridium
    • Pasteurianum
    • Oxidation
    • Oxygen
    • Fefe
  • hydrogenase
    • H2
    • Hydrogen
    • Nife
    • Found
    • Biofuel
    • Reversible
    • Cells
    • Clostridium
    • Pasteurianum
    • Oxidation
    • Oxygen
    • Fefe
  • hydrogen
    • Molecular
    • Mechanism
    • Production
    • Nife
    • Fefe
    • Energy
    • Hydrogenase
    • Oxygen
    • H2
    • Found
    • Hydrogenases
    • Ferredoxin
  • 5,10-methenyltetrahydromethanopterin hydrogenase
    • H2
    • Hydrogen
    • Nife
    • Found
    • Biofuel
    • Reversible
    • Cells
    • Clostridium
    • Pasteurianum
    • Oxidation
    • Oxygen
    • Fefe
  • hydrogenase mimics
    • H2
    • Hydrogen
    • Nife
    • Found
    • Biofuel
    • Reversible
    • Cells
    • Clostridium
    • Pasteurianum
    • Oxidation
    • Oxygen
    • Fefe
  • hydrogen dehydrogenase
    • Molecular
    • Mechanism
    • Production
    • Nife
    • Fefe
    • Energy
    • Hydrogenase
    • Oxygen
    • H2
    • Found
    • Hydrogenases
    • Ferredoxin
  • cytochrome-c3 hydrogenase
    • H2
    • Hydrogen
    • Nife
    • Found
    • Biofuel
    • Reversible
    • Cells
    • Clostridium
    • Pasteurianum
    • Oxidation
    • Oxygen
    • Fefe
  • ferredoxin hydrogenase
    • Cells
    • H2
    • Hydrogen
    • Nife
    • Found
    • Biofuel
    • Reversible
    • Clostridium
    • Electrons
    • Pasteurianum
    • Oxidation
    • Oxygen

Connections between topic areas Semantic bridges

For Hydrogenase, one of the stronger structural bridges in this analysis connects Hydrogenase with Structural classification. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
HydrogenaseStructural classification · splits 46 ⟂ 28
HydrogenaseOverview · splits 53 ⟂ 21
HydrogenaseApplications · splits 63 ⟂ 11
HydrogenaseBiochemical classification · splits 68 ⟂ 6
HydrogenaseBiological function · splits 70 ⟂ 4
HydrogenaseMechanism · splits 71 ⟂ 3

Map overview Semantic statistics

Hydrogenase

Nodes74
Edges73
Triples150
Avg. degree1.97
Density0.027027
Components1

Source & methodology

TTTA analyzes the structure around Hydrogenase to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Applications, Structural classification & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Hydrogenase · EN edition · Analysis: TopicsToTalkAbout

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