Source:http://linkedlifedata.com/resource/umls/id/C0038615
MSH: A flavoprotein containing oxidoreductase that catalyzes the dehydrogenation of SUCCINATE to fumarate. In most eukaryotic organisms this enzyme is a component of mitochondrial electron transport complex II.,CSP: creates a double bond between the 2 middle carbons of succinate to form fumarate.