membrane-enclosed lumen that is part of some organelle
cellular response to calcium ion
SubClassOf(ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0031974> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000050> <http://purl.obolibrary.org/obo/GO_0043226>)) <http://purl.obolibrary.org/obo/GO_0071277>)
EquivalentClasses(<http://purl.obolibrary.org/obo/GO_0043233> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0031974> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000050> <http://purl.obolibrary.org/obo/GO_0043226>)) )