<?xml version="1.0" encoding="UTF-8"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:obo_purl="http://purl.obolibrary.org/obo/" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:metadata_def="http://data.bioontology.org/metadata/def/" xmlns:metadata="http://data.bioontology.org/metadata/"> <owl:Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_61313"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_35341"/> <rdfs:label>C21-steroid</rdfs:label> <obo_purl:IAO_0000115>A steroid that has a structure based on a 21-carbon (pregnane) skeleton. Note that individual examples may have ring substituents at other positions and/or contain double bonds, aromatic A-rings, expanded/contracted rings etc., so the formula and mass may vary from that given for the generic structure.</obo_purl:IAO_0000115> <metadata_def:prefLabel>C21-steroid</metadata_def:prefLabel> <metadata_def:mappingLoom>c21steroid</metadata_def:mappingLoom> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_61313"/> <metadata:prefixIRI>CHEBI:61313</metadata:prefixIRI> </owl:Class> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_138141"> <rdfs:subClassOf> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_61313"> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_61313"/> </rdf:Description> </rdfs:subClassOf> </rdf:Description> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_16827"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_61313"/> </rdf:Description> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_64600"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_61313"/> </rdf:Description> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_8378"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_61313"/> </rdf:Description> </rdf:RDF>