Skip to content

Reference

Evidence

CompoundsSubstances with curated findings
OutcomesMeasured endpoints
ProteinsTransporters and enzymes
InteractionsPairs that share biology
PapersEvery paper a finding cites
ArticlesReadings of the evidence

Chemistry

ReactionsRhea and Human-GEM, by subsystem
ReachWhat a compound can become

Reference layer

PathwaysReactions grouped under one name
ProcessesWhat proteins are annotated as doing
AnatomyTissues, by what is expressed there
Cell typesCells, by what is expressed there
OrganismsSpecies a compound is prepared from
MaterialsSubstances that are not one molecule
AssessmentsRegulatory determinations, transcribed
DiseasesFeatures, genes, and where each sits

Atlas Graph Twin Access

Search the graph

Reference

Evidence

Compounds
Outcomes
Proteins
Interactions
Papers
Articles

Chemistry

Reactions
Reach

Reference layer

Pathways
Processes
Anatomy
Cell types
Organisms
Materials
Assessments
Diseases

Atlas Graph Twin Access

Loading the page.

Catalyst

Computational infrastructure for human biology, built on a provenance-aware knowledge graph. Findings retain their sources; research and simulation are the next layers.

The graph

Compounds
Outcomes
Proteins
Atlas
Interactions
Papers
Articles
Graph
Search

Reference layer

Pathways
Processes
Anatomy
Cell types
Organisms
Materials
Assessments
Diseases
Reactions
Reach

How it works

Mission
Method
Twin
How to read the evidence
Sources and licences

Build on it

Access
In your assistant
For agents
Query the graph
Bulk export

A reference for what the literature reports. Not medical advice.

© 2026 CatalystPrivacy TermsReference data under the licences listed on the attribution page.

Proteins/UNIPROT:Q14055

COL9A2

Protein·UNIPROT:Q14055

Open in the graph

Structural component of hyaline cartilage and vitreous of the eye.

Function from UniProtKB (Q14055), read 2026-09-23. CC BY 4.0.

Curated compounds routed: 0

What the reference databases state

Inferred

Inferred — not reported by a source. Evidence key

GenCC submitters' classifications

3 rows

epiphyseal dysplasia, multiple, 2 has a germline basis in COL9A2DiseaseGenCC HGNC:2218|MONDO:0010844Inferred only
multiple epiphyseal dysplasia due to collagen 9 anomaly has a germline basis in COL9A2DiseaseGenCC HGNC:2218|MONDO:0015627Inferred only
Stickler syndrome, type 5 has a germline basis in COL9A2DiseaseGenCC HGNC:2218|MONDO:0013666Inferred only

Statements

26 statements

26 statements · 3 reference databases · Subject: COL9A2 · Sources: Hetionet, Reactome, WikiPathways

Search this listOrder

ASCL4 covaries with COL9A2ProteinHetionet hetionet:covaries:121549-1298Inferred only
OR9I1 covaries with COL9A2ProteinHetionet hetionet:covaries:1298-219954Inferred only
COL2A1 interacts with COL9A2ProteinHetionet hetionet:interacts:1280-1298Inferred only
COL9A2 interacts with FEZ1ProteinHetionet hetionet:interacts:1298-9638Inferred only
COL9A2 interacts with HAP1ProteinHetionet hetionet:interacts:1298-9001Inferred only
COL9A2 interacts with MAGProteinHetionet hetionet:interacts:1298-4099Inferred only
COL9A2 interacts with NOA1ProteinHetionet hetionet:interacts:1298-84273Inferred only
COL9A2 participates in Assembly of collagen fibrils and other multimeric structuresPathwayReactome R-HSA-2022090Inferred only
COL9A2 participates in Axon guidancePathwayReactome R-HSA-422475Inferred only
COL9A2 participates in Collagen biosynthesis and modifying enzymesPathwayReactome R-HSA-1650814Inferred only
COL9A2 participates in Collagen chain trimerizationPathwayReactome R-HSA-8948216Inferred only
COL9A2 participates in Collagen degradationPathwayReactome R-HSA-1442490Inferred only

Show the remaining 14

COL9A2 participates in Collagen formationPathwayReactome R-HSA-1474290Inferred only
COL9A2 participates in Degradation of the extracellular matrixPathwayReactome R-HSA-1474228Inferred only
COL9A2 participates in Developmental BiologyPathwayReactome R-HSA-1266738Inferred only
COL9A2 participates in ECM proteoglycansPathwayReactome R-HSA-3000178Inferred only
COL9A2 participates in Extracellular matrix organizationPathwayReactome R-HSA-1474244Inferred only
COL9A2 participates in Integrin cell surface interactionsPathwayReactome R-HSA-216083Inferred only
COL9A2 participates in Multiple epiphyseal dysplasia and pseudoachondroplasia genesPathwayWikiPathways WP4789Inferred only
COL9A2 participates in NCAM signaling for neurite out-growthPathwayReactome R-HSA-375165Inferred only
COL9A2 participates in NCAM1 interactionsPathwayReactome R-HSA-419037Inferred only
COL9A2 participates in Nervous system developmentPathwayReactome R-HSA-9675108Inferred only
COL9A2 participates in PI3K Akt signalingPathwayWikiPathways WP4172Inferred only
COL9A2 participates in Signal TransductionPathwayReactome R-HSA-162582Inferred only
COL9A2 participates in Signaling by PDGFPathwayReactome R-HSA-186797Inferred only
COL9A2 participates in Signaling by Receptor Tyrosine KinasesPathwayReactome R-HSA-9006934Inferred only

Other names

2 names

Resolves to: COL9A2

Also called: Collagen alpha-2IX

← Every protein Find it in the graph →