Source:http://linkedlifedata.com/resource/umls/id/C0010744
CSP: cytochromes of the b group that have alpha-band absorption of 563-564 nm and occur as subunits in mitochondrial electron transport complex III.,MSH: Cytochromes of the b group that have alpha-band absorption of 563-564 nm. They occur as subunits in MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III.