Datasets

Orthologous MAtrix (OMA) RDF

The OMA (Orthologous MAtrix) project is a method and database for the inference of orthologs among complete genomes. The OMA RDF is a view of the OMA database in RDF.

Dataset specifications

Tags
Genome Gene Phylogeny/Classification
Provenance Original
Registration Added by RDF portal
Data provider
  • SIB Swiss Institute of Bioinformatics
Creator
  • Adrian M. AltenhoffSIB Swiss Institute of Bioinformatics
  • Christophe DessimozSIB Swiss Institute of Bioinformatics
  • Tarcisio Mendes de FariasSIB Swiss Institute of Bioinformatics
Issued 2023-07-01
Licenses
  • Creative Commons Attribution 4.0 International
Version Jul2023
Download https://rdfportal.org/download/oma
SPARQL Endpoint https://rdfportal.org/sib/sparql

Dataset statistics

Triples
584249484
Subjects
137419193
Properties
36
Objects
334832200
Classes
25

SPARQL example queries

Example 1

Run on Endpoint
# Endpoint: https://sparql.omabrowser.org/sparql/
# Description: Get ortholog cluster members

PREFIX orth: <http://purl.org/net/orth#>
PREFIX dct: <http://purl.org/dc/terms/>

SELECT ?cluster_id ?protein_id
FROM <http://omabrowser.org/graph>
WHERE {
    ?ClusterOfOrthologs a orth:OrthologsCluster ;
        dct:identifier ?cluster_id ;
        orth:hasHomologousMember / dct:identifier ?protein_id .
}
LIMIT 100

Schema diagram

Schema diagram for oma
Schema diagram for oma