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Factor XII: History & Products

Coagulation factor XII, also known as Hageman factor, is a plasma protein involved in coagulation. It is the zymogen form of factor XIIa (EC 3.4.21.38), an enzyme of the serine protease (or serine endopeptidase) class. In humans, factor XII is encoded by F12 gene.

Language: English [EN]
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Factor XII topic overview

The analysis highlights History and Products as prominent areas in the source structure around Factor XII.

Related topics
46
Source areas
6
Connected nodes
52
Extracted relationships
161
Concept neighborhoods
18
Bridge connections
52

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.

History · 16 topics
Clinical significance · 8 topics
Structure · 8 topics
Overview · 7 topics
Function · 6 topics
Genetics · 1 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.

3.4.21.38
Aliases
F12, HAE3, HAEX, HAF, coagulation factor XII
Available structures
Available structuresPDBOrtholog search: PDBe RCSB List of PDB id codes4BDW, 4BDX, 4XDE, 4XE4
Band
5q35.3 · 13|13 B1
Bgee
right lobe of liver · gingival epithelium · mucosa of transverse colon · testicle · endothelial cell
BioGPS
More reference expression data

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

Genetics

Structure

Function

Clinical significance

History

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 Factor XII connects Entity context

The extracted context around Factor XII shows recurring relationship patterns in the source. For example, Factor XII → blood coagulation, blood coagulation, intrinsic pathway, calcium ion binding, collagen-containing extracellular matrix, extracellular exosome, extracellular region, extracellular space, Factor XII activation, fibrinolysis, hemostasis, hydrolase activity, innate immune response, misfolded protein binding, peptidase activity, plasma kallikrein-kinin cascade, plasma membrane, positive regulation of blood coagulation, positive regulation of fibrinolysis, positive regulation of plasminogen activation, protein autoprocessing Another extracted example is Factor XII → abdominal wall, caudate nucleus, embryo, endothelial cell, epithelium of esophagus, fetal liver hematopoietic progenitor cell, gingival epithelium, granulocyte, human fetus, left lobe of liver, lobe of liver, middle temporal gyrus, morula, mucosa of transverse colon, nucleus accumbens, putamen, right lobe of liver, sexually immature organism, spermatid, testicle. Use these groups to spot repeated connection types before inspecting the individual relationships.

Factor XII

Top relations

Gene ontology · 29
Factor XII → blood coagulation, blood coagulation, intrinsic pathway, calcium ion binding, collagen-containing extracellular matrix, extracellular exosome, extracellular region, extracellular space, Factor XII activation, fibrinolysis, hemostasis, hydrolase activity, innate immune response, misfolded protein binding, peptidase activity, plasma kallikrein-kinin cascade, plasma membrane, positive regulation of blood coagulation, positive regulation of fibrinolysis, positive regulation of plasminogen activation, protein autoprocessing
Bgee · 20
Factor XII → abdominal wall, caudate nucleus, embryo, endothelial cell, epithelium of esophagus, fetal liver hematopoietic progenitor cell, gingival epithelium, granulocyte, human fetus, left lobe of liver, lobe of liver, middle temporal gyrus, morula, mucosa of transverse colon, nucleus accumbens, putamen, right lobe of liver, sexually immature organism, spermatid, testicle
RNA expression pattern · 20
Factor XII → abdominal wall, caudate nucleus, embryo, endothelial cell, epithelium of esophagus, fetal liver hematopoietic progenitor cell, gingival epithelium, granulocyte, human fetus, left lobe of liver, lobe of liver, middle temporal gyrus, morula, mucosa of transverse colon, nucleus accumbens, putamen, right lobe of liver, sexually immature organism, spermatid, testicle
related to External links · 17
Factor XII → Archived, Coagulation, Factor, Medicine Medical Subject Headings, MeSH, National Library, October, Overview, P00748, PDB, PDBe-KB, S01, Summary, The MEROPS, UniProt, XII, XIIa
related to history · 17
Factor XII → Also, Currently, Hageman, Hageman's, Hepatocytes, However, John Hageman, Oscar Ratnoff, Paradoxically, QuikClot, Ratnoff, Since, The, These, This, TV, XII
related to Structure · 12
Factor XII → Arg334, Arg353, Crystal, FnI-EGF-like, FXII, FXIIa, Human Factor XII, II, It, The, X-ray, XII
related to Function · 9
Factor XII → Activated, FXII, FXIIa, Hageman, In, It, Polyphosphates, Various, XI
related to Clinical significance · 8
Factor XII → All, As, Fletcher, Mice, The, Unlike, XI, XII
Band · 2
Factor XII → 13|13 B1, 5q35.3
Chr. · 2
Factor XII → Chromosome 13 (mouse), Chromosome 5 (human)

Important terminology

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

Important terminology

factor xii coagulation fxii gene bp human also blood chr chromosome band thrombosis deficiency time hageman mouse f12 quikclot activated

Factor XII relationships Subject–Predicate–Object triples

TTTA extracted 161 structured relationships around Factor XII. Examples in this analysis include Factor XII → 3.4.21.38 → ↗ and Factor XII → Aliases → F12, HAE3, HAEX, HAF, coagulation factor XII. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Factor XII3.4.21.381.00infobox
Factor XIIAliasesF12, HAE3, HAEX, HAF, coagulation factor XII1.00infobox
Factor XIIAvailable structuresAvailable structuresPDBOrtholog search: PDBe RCSB List of PDB id codes4BDW, 4BDX, 4XDE, 4XE41.00infobox
Factor XIIBand5q35.31.00infobox
Factor XIIBand13|13 B11.00infobox
Factor XIIBgeeright lobe of liver1.00infobox
Factor XIIBgeegingival epithelium1.00infobox
Factor XIIBgeemucosa of transverse colon1.00infobox
Factor XIIBgeetesticle1.00infobox
Factor XIIBgeeendothelial cell1.00infobox
Factor XIIBgeemiddle temporal gyrus1.00infobox
Factor XIIBgeeepithelium of esophagus1.00infobox
Factor XIIBgeenucleus accumbens1.00infobox
Factor XIIBgeecaudate nucleus1.00infobox
Factor XIIBgeeputamen1.00infobox
Factor XIIBgeelobe of liver1.00infobox
Factor XIIBgeeleft lobe of liver1.00infobox
Factor XIIBgeegranulocyte1.00infobox
Factor XIIBgeemorula1.00infobox
Factor XIIBgeeembryo1.00infobox
Factor XIIBgeefetal liver hematopoietic progenitor cell1.00infobox
Factor XIIBgeespermatid1.00infobox
Factor XIIBgeesexually immature organism1.00infobox
Factor XIIBgeeabdominal wall1.00infobox
Factor XIIBgeehuman fetus1.00infobox
Factor XIIBioGPSMore reference expression data1.00infobox
Factor XIIChr.Chromosome 5 (human)1.00infobox
Factor XIIChr.Chromosome 13 (mouse)1.00infobox
Factor XIIDatabasesNCBI: entry; OMA: entry1.00infobox
Factor XIIEnd177,416,583 bp1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Factor XII bring nearby vocabulary together. In this analysis, examples include Xii, Deficiency and Clotting. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Factor XII
    • Xii
    • Deficiency
    • Clotting
    • Hageman
    • Gene
    • Blood
    • F12
    • Plasma
    • Activation
    • Cascade
    • Human
    • Thrombosis
  • factor xii
    • Xii
    • Deficiency
    • Clotting
    • Hageman
    • Gene
    • Thrombosis
    • Blood
    • F12
    • Plasma
    • Activation
    • Cascade
    • Human
  • coagulation
    • Cascade
    • Xii
    • Factor
    • Blood
    • Plasma
    • F12
    • Location
    • Protein
    • Chromosome
    • Used
    • Bp
    • Chr
  • epidermal growth factor
    • Xii
    • Deficiency
    • Clotting
    • Hageman
    • Gene
    • Blood
    • F12
    • Plasma
    • Activation
    • Cascade
    • Human
    • Thrombosis
  • factor xi
    • Xii
    • Deficiency
    • Clotting
    • Hageman
    • Gene
    • Blood
    • F12
    • Plasma
    • Activation
    • Cascade
    • Human
    • Thrombosis
  • blood sample
    • Cascade
    • Coagulation
    • Protein
    • Quikclot
    • Used
    • Clotting
    • Time
    • Factor
    • Xii
    • Zymogen
    • F12
    • Intrinsic
  • zymogen
    • Enzyme
    • F12
    • Intrinsic
    • Location
    • Pathway
    • Plasma
    • Protein
    • Activation
    • Band
    • Cascade
    • Chromosome
    • Mouse
  • chromosome
    • Bp
    • Human
    • Location
    • Band
    • Gene
    • F12
    • Mouse
    • Enzyme
    • Zymogen
    • Clinical
    • Intrinsic
    • Pathway

Connections between topic areas Semantic bridges

For Factor XII, one of the stronger structural bridges in this analysis connects Factor XII with History. 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
Factor XIIHistory · splits 36 ⟂ 17
Factor XIIStructure · splits 44 ⟂ 9
Factor XIIClinical significance · splits 44 ⟂ 9
Factor XIIOverview · splits 45 ⟂ 8
Factor XIIFunction · splits 46 ⟂ 7

Map overview Semantic statistics

Factor XII

Nodes53
Edges52
Triples161
Avg. degree1.96
Density0.037736
Components1

Source & methodology

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

Source: Wikipedia — Factor XII · EN edition · Analysis: TopicsToTalkAbout

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