The enzyme super-family of molybdenum oxotransferases all contain molybdenum, and promote oxygen atom transfer reactions.* Stephen J. Lippard, Jeremy M. Berg, Principles of Bioinorganic Chemistry, University Science Books, 1994, , pg 318
Enzymes in this family include DMSO reductase, xanthine oxidase, nitrite reductase, and sulfite oxidase.
See also Bioinorganic chemistry
References