The Enzyme Database

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Accepted name: coproporphyrinogen III oxidase (coproporphyrin-forming)
Reaction: coproporphyrinogen III + 3 O2 = coproporphyrin III + 3 H2O2
Other name(s): hemY (gene name)
Systematic name: coproporphyrinogen-III:oxygen oxidoreductase (coproporphyrin-forming)
Comments: Contains FAD. The enzyme, present in Gram-positive bacteria, participates in heme biosynthesis. It can also catalyse the reaction of EC, protoporphyrinogen oxidase, at a lower level.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Hansson, M. and Hederstedt, L. Bacillus subtilis HemY is a peripheral membrane protein essential for protoheme IX synthesis which can oxidize coproporphyrinogen III and protoporphyrinogen IX. J. Bacteriol. 176 (1994) 5962–5970. [DOI] [PMID: 7928957]
2.  Corrigall, A.V., Siziba, K.B., Maneli, M.H., Shephard, E.G., Ziman, M., Dailey, T.A., Dailey, H.A., Kirsch, R.E. and Meissner, P.N. Purification of and kinetic studies on a cloned protoporphyrinogen oxidase from the aerobic bacterium Bacillus subtilis. Arch. Biochem. Biophys. 358 (1998) 251–256. [DOI] [PMID: 9784236]
3.  Qin, X., Sun, L., Wen, X., Yang, X., Tan, Y., Jin, H., Cao, Q., Zhou, W., Xi, Z. and Shen, Y. Structural insight into unique properties of protoporphyrinogen oxidase from Bacillus subtilis. J. Struct. Biol. 170 (2010) 76–82. [DOI] [PMID: 19944166]
4.  Dailey, H.A., Gerdes, S., Dailey, T.A., Burch, J.S. and Phillips, J.D. Noncanonical coproporphyrin-dependent bacterial heme biosynthesis pathway that does not use protoporphyrin. Proc. Natl. Acad. Sci. USA 112 (2015) 2210–2215. [DOI] [PMID: 25646457]
[EC created 2016]

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