Ontologies
OBA
Ontology of Biological Attributes (OBA)
OWL
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Last submission date March 28, 2025
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ID http://purl.obolibrary.org/obo/CHEBI_61313
http://purl.obolibrary.org/obo/CHEBI_61313
https://agroportal.lirmm.fr/ontologies/OBA/CHEBI_61313
Preferred name

C21-steroid
Definitions
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.

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rdf:type
rdfs:subClassOf
rdfs:label
C21-steroid
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.
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