Layer, G., Verfürth, K., Mahlitz, E. and Jahn, D. (2002). „Oxygen-independent coproporphyrinogen-III oxidase HemN from Escherichia coli”. J. Biol. Chem.277: 34136-34142. PMID12114526.
Layer, G., Moser, J., Heinz, D.W., Jahn, D. and Schubert, W.D. (2003). „Crystal structure of coproporphyrinogen III oxidase reveals cofactor geometry of Radical SAM enzymes”. EMBO J.22: 6214-6224. PMID14633981.