Protein
Heme oxygenase (mycobilin-producing)
Organism
Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh)
Function
Catalyzes the oxidative degradation of the heme macrocyclic porphyrin ring in the presence of a suitable electron donor such as ascorbate or NADPH--cytochrome P450 reductase, with subsequent release of free iron.
Similarity
Belongs to the antibiotic biosynthesis monooxygenase family.
Sequence
MPVVKINAIEVPAGAGPELEKRFAHRAHAVENSPGFLGFQLLRPVKGEERYFVVTHWESDEAFQAWANGPAIAAHAGHRANPVATGASLLEFEVVLDVGGTGKTA