t cell activation via t cell receptor contact with antigen bound to mhc molecule on antigen presenting cell that positively regulates some heterochromatin formation
positive regulation of heterochromatin formation
SubClassOf(ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0002291> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002213> <http://purl.obolibrary.org/obo/GO_0031507>)) <http://purl.obolibrary.org/obo/GO_0031453>)
EquivalentClasses(<http://purl.obolibrary.org/obo/GO_0031453> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/GO_0065007> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002213> <http://purl.obolibrary.org/obo/GO_0031507>)) )