Ontology of Biological Attributes entry OBA_2051717 (level of succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial in blood) is the amount of a succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial when measured in blood. Also known as: blood succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial amount.