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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NMDCO

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NMDC Ontology

KGXBioPortal ontologyv2024-03-15CC0 1.0
Visibility: Public

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

Graph at a glance

16,140
Nodes
46,178
Edges
2024-03-15
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
NMDCO.tar.gz
16K nodes · 46K 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 NMDCO_nodes.tsv and NMDCO_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 21 categories across 16,140 nodes

PhysicalEntity4,608
BiologicalProcessOrActivity3,120
NamedThing2,557
AnatomicalEntity1,470
Attribute857
MolecularEntity791
Activity724
Cell430
EnvironmentalFeature384
Food367
OrganismTaxon336
ChemicalEntity154
CellularComponent140
Procedure73
Protein72
MacromolecularComplex22
InformationContentEntity19
LifeStage13
Gene1
PhenotypicFeature1
Polypeptide1

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 13,583 of 16,140 nodes (84.2%)

23is a seed term whose Biolink class is not in doubt
13,560inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 46,178 edges

Association46,178

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