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FNDC5

Fibronectin type III domain-containing protein 5, the precursor of irisin, is a type I transmembrane glycoprotein that is encoded by the FNDC5 gene. Irisin is a cleaved version of FNDC5, named after the Greek messenger goddess Iris.

[EN, English, English]

History, Biosynthesis and secretion & Function

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Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Aliases
FNDC5, FRCP2, irisin, Irisin, fibronectin type III domain containing 5
Available structures
Available structuresPDBOrtholog search: PDBe RCSB List of PDB id codes4LSD
Band
1p35.1 · 4|4 D2.2
Bgee
Skeletal muscle tissue of biceps brachii · muscle of thigh · Skeletal muscle tissue of rectus abdominis · vastus lateralis muscle · right hemisphere of cerebellum
BioGPS
n/a
Chr.
Chromosome 1 (human) · Chromosome 4 (mouse)

Topics to explore

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Overview

History

Biosynthesis and secretion

Function

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.

Map overview Semantic statistics

Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.

FNDC5

Nodes37
Edges36
Triples110
Avg. degree1.95
Density0.054054
Components1

How this topic connects Entity context

Quick relationship hints grouped by predicate. Useful for spotting recurring semantic connections around the current entity.

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FNDC5

Top relations

Bgee · 20
FNDC5 → apex of heart, cardiac muscle tissue of right atrium, cerebellar cortex, deep cerebellar nuclei, deltoid muscle, digastric muscle, extraocular muscle, gastrocnemius muscle, interventricular septum, medial vestibular nucleus, muscle of thigh, myocardium of ventricle, primary visual cortex, right hemisphere of cerebellum, Skeletal muscle tissue of biceps brachii, Skeletal muscle tissue of rectus abdominis, soleus muscle, superior frontal gyrus, tibialis anterior muscle, vastus lateralis muscle
RNA expression pattern · 20
FNDC5 → apex of heart, cardiac muscle tissue of right atrium, cerebellar cortex, deep cerebellar nuclei, deltoid muscle, digastric muscle, extraocular muscle, gastrocnemius muscle, interventricular septum, medial vestibular nucleus, muscle of thigh, myocardium of ventricle, primary visual cortex, right hemisphere of cerebellum, Skeletal muscle tissue of biceps brachii, Skeletal muscle tissue of rectus abdominis, soleus muscle, superior frontal gyrus, tibialis anterior muscle, vastus lateralis muscle
Gene ontology · 14
FNDC5 → biological process, endoplasmic reticulum, extracellular region, hormone activity, integral component of membrane, membrane, molecular function, peroxisomal membrane, peroxisome, plasma membrane, positive regulation of brown fat cell differentiation, regulation of signaling receptor activity, response to muscle activity, signal transduction
related to Molecular interactions · 12
FNDC5 → Additionally, BAT, BDNF, ERRα, In, Irisin, Many, PGC-1alpha, Pgc-1α, The, UCP1, WAT
related to Biosynthesis and secretion · 8
FNDC5 → After, C-terminal, FNIII, III, N-terminal, TGF, The, The FNDC5
related to history · 8
FNDC5 → Alzheimer's, III, It, Others, Separately, Shortly, The, This
related to Function · 4
FNDC5 → Due, Exercise, In, PGC-1alpha
Band · 2
FNDC5 → 1p35.1, 4|4 D2.2
Chr. · 2
FNDC5 → Chromosome 1 (human), Chromosome 4 (mouse)
End · 2
FNDC5 → 129,038,386 bp, 32,872,482 bp

Important terminology Word statistics

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Important terminology

irisin human protein expression type exercise bp gene fibronectin iii chr band study levels bdnf fat humans cells chromosome membrane

Entity relationships Subject–Predicate–Object triples

Extracted RDF-like relationships with confidence and source. The table includes structured facts and lower-confidence contextual relations.
SubjectPredicateObjectConfidenceSrc
FNDC5AliasesFNDC5, FRCP2, irisin, Irisin, fibronectin type III domain containing 51.00infobox
FNDC5Available structuresAvailable structuresPDBOrtholog search: PDBe RCSB List of PDB id codes4LSD1.00infobox
FNDC5Band1p35.11.00infobox
FNDC5Band4|4 D2.21.00infobox
FNDC5BgeeSkeletal muscle tissue of biceps brachii1.00infobox
FNDC5Bgeemuscle of thigh1.00infobox
FNDC5BgeeSkeletal muscle tissue of rectus abdominis1.00infobox
FNDC5Bgeevastus lateralis muscle1.00infobox
FNDC5Bgeeright hemisphere of cerebellum1.00infobox
FNDC5Bgeegastrocnemius muscle1.00infobox
FNDC5Bgeeapex of heart1.00infobox
FNDC5Bgeedeltoid muscle1.00infobox
FNDC5Bgeecardiac muscle tissue of right atrium1.00infobox
FNDC5Bgeetibialis anterior muscle1.00infobox
FNDC5Bgeeinterventricular septum1.00infobox
FNDC5Bgeemyocardium of ventricle1.00infobox
FNDC5Bgeecerebellar cortex1.00infobox
FNDC5Bgeesoleus muscle1.00infobox
FNDC5Bgeeextraocular muscle1.00infobox
FNDC5Bgeemedial vestibular nucleus1.00infobox
FNDC5Bgeedeep cerebellar nuclei1.00infobox
FNDC5Bgeesuperior frontal gyrus1.00infobox
FNDC5Bgeedigastric muscle1.00infobox
FNDC5Bgeeprimary visual cortex1.00infobox
FNDC5BioGPSn/a1.00infobox
FNDC5Chr.Chromosome 1 (human)1.00infobox
FNDC5Chr.Chromosome 4 (mouse)1.00infobox
FNDC5DatabasesNCBI: entry; OMA: entry1.00infobox
FNDC5End32,872,482 bp1.00infobox
FNDC5End129,038,386 bp1.00infobox

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