@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<https://bioregistry.io/propreo:protein> rdfs:seeAlso <http://bio2rdf.org/propreo:protein>,
        <http://purl.obolibrary.org/obo/PROPREO_protein>,
        <https://bioportal.bioontology.org/ontologies/PROPREO/?p=classes&conceptid=http://purl.obolibrary.org/obo/PROPREO_protein> .