A rare disease-associated mutation in the medium-chain acyl-CoA dehydrogenase (MCAD) gene changes a conserved arginine, previously shown to be functionally essential in short-chain acyl-CoA dehydrogenase (SCAD).
Andresen BS, Bross P, Jensen TG, Winter V, Knudsen I, Kølvraa S, Jensen UB, Bolund L, Duran M, Kim JJ. Am J Hum Genet. 1993 Sep; 53(3):730-9.