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FeMoco: Structure, Biosynthesis & Identity of the core atom
FeMoco (FeMo cofactor) or M-cluster is the primary cofactor of nitrogenase. Nitrogenase is the enzyme that catalyzes the conversion of atmospheric nitrogen molecules N2 into ammonia (NH3) through the process known as nitrogen fixation. Because it contains iron and molybdenum, the cofactor is called FeMoco. Its stoichiometry is Fe7MoS9C.
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FeMoco topic overview
The analysis highlights Structure, Biosynthesis and Identity of the core atom as prominent areas in the source structure around FeMoco.
Related topics
32
Source areas
7
Connected nodes
39
Extracted relationships
66
Concept neighborhoods
21
Bridge connections
39
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.
Structure · 10 topics
Overview · 7 topics
Biosynthesis · 3 topics
Electronic properties · 3 topics
Identity of the core atom · 3 topics
Isolation · 3 topics
Substrate binding · 3 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.
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
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.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How FeMoco connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around FeMoco shows recurring relationship patterns in the source. For example, FeMoco → Also, Crystallographic, EXAFS, Fe, Fe-Fe, Fe-Mo, Fe4S3, Fe7MoS9C, III, It, Mo, MoFe, MoFe3S3, The, The Fe-S, The FeMo, These, This, X-ray Another extracted example is FeMoco → Additionally, An, CH2, During, EPR, Fe-S, Fe6-carbide, FeMo, M-cluster, NifB, NifEN, NifH, Presumably, S-adenosyl-L-methionine, SAM, The, The NifB, X-ray. Use these groups to spot repeated connection types before inspecting the individual relationships.
FeMoco
Top relations
related to Structure· 19
FeMoco → Also, Crystallographic, EXAFS, Fe, Fe-Fe, Fe-Mo, Fe4S3, Fe7MoS9C, III, It, Mo, MoFe, MoFe3S3, The, The Fe-S, The FeMo, These, This, X-ray
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 66 structured relationships around FeMoco. Examples in this analysis include FeMoco → is a → complicated process that requires several Nif gene products and FeMoco → related to Biosynthesis → Biosynthesis. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
FeMoco
is a
complicated process that requires several Nif gene products
0.90
text
FeMoco
related to Biosynthesis
Biosynthesis
0.60
section
FeMoco
related to Biosynthesis
Nif
0.60
section
FeMoco
related to Biosynthesis
NifS
0.60
section
FeMoco
related to Biosynthesis
NifU
0.60
section
FeMoco
related to Biosynthesis
Fe
0.60
section
FeMoco
related to Biosynthesis
Fe4S4
0.60
section
FeMoco
related to Biosynthesis
K-cluster
0.60
section
FeMoco
related to Biosynthesis
NifB
0.60
section
FeMoco
related to Biosynthesis
Fe7MoS9C L-cluster
0.60
section
FeMoco
related to Biosynthesis
NifEN
0.60
section
FeMoco
related to Biosynthesis
MoFe
0.60
section
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around FeMoco bring nearby vocabulary together. In this analysis, examples include Studies, Crystallographic and Nifv. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
FeMoco
Studies
Crystallographic
Nifv
Binding
Nitrogenase
X-ray
Carbon
Central
Confirmed
Geometry
Interstitial
Iron
femoco
Studies
Crystallographic
Nifv
Binding
Nitrogenase
X-ray
Carbon
Central
Confirmed
Geometry
Interstitial
Iron
cofactor
Femo
Atom
Nitrogenase
Carbon
Protein
Femoco
Central
Electron
Fe-s
Showed
Biosynthesis
Process
carbon monoxide
Femo
X-ray
Central
Interstitial
Showed
Cofactor
Nitrogenase
Studies
Femoco
Nitrogen
Also
Crystallographic
identity of the core atom
Carbon
Femo
Central
Biosynthesis
Cofactor
Fe-s
Fe7mos9c
Interstitial
Showed
Sulfide
Binding
Cluster
x-ray absorption fine-structure
Studies
Crystallographic
Carbon
Showed
Binding
Femoco
Femo
Central
Confirmed
Geometry
Structural
Cofactor
substrate binding
Studies
Structural
Substrate
X-ray
Femoco
Crystallographic
Fe7mos9c
Showed
Biosynthesis
Cluster
Two
Carbon
protein
Mofe
Electron
Process
Nifb
Confirmed
Crystallographic
Fe-s
Nifv
Sulfides
Two
Three
Studies
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For FeMoco, one of the stronger structural bridges in this analysis connects FeMoco with Structure. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
FeMoco
Nodes40
Edges39
Triples66
Avg. degree1.95
Density0.05
Components1
Source & methodology
TTTA analyzes the structure around FeMoco to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Structure, Biosynthesis & Identity of the core atom, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
