Source:http://linkedlifedata.com/resource/umls/id/C0035938
MSH: A class of iron-sulfur proteins that contains one iron coordinated to the sulfur atom of four cysteine residues. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed),CSP: class of iron-sulfur proteins that contain one iron coordinated to the sulfur atom of four cysteine residues.