Prototype KG‑aware adaptation of the BioPortal interface. Graph pages generated from live KG‑Registry metadata; tool links go to the live BioPortal.
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PW

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Pathway Ontology

KGXBioPortal ontologyv2026-05-16CC BY 4.0
Visibility: Public

A KGX transformation of the BioPortal ontology Pathway Ontology (PW), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

2,787
Nodes
3,455
Edges
2026-05-16
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
PW.tar.gz
3K nodes · 3K edges
Base graph is the full graph

This ontology declares no imports, so its base graph already is its full graph; nothing separate was built.

The graph contains PW_nodes.tsv and PW_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 2 categories across 2,787 nodes

Pathway2,601
NamedThing186

An item carrying more than one category is counted under each, so these counts can add up to more than the total.

How they were assigned 2,601 of 2,787 nodes (93.3%)

1is a seed term whose Biolink class is not in doubt
2,600inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 3,455 edges

Association3,455

An item carrying more than one category is counted under each, so these counts can add up to more than the total.