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Information on EC - heme oxygenase (staphylobilin-producing)

for references in articles please use BRENDA:EC1.14.99.48
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IUBMB Comments
This enzyme, which is found in some pathogenic bacteria, is involved in an iron acquisition system that catabolizes the host's hemoglobin. The two enzymes from the bacterium Staphylococcus aureus, encoded by the isdG and isdI genes, produce 67.5 % and 56.2 % delta-staphylobilin, respectively.
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The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
haem oxidase, haem oxygenase, heme oxidase, heme oxygenase, heme oxygenase (decyclizing), heme oxygenase (staphylobilin-producing) 1, heme oxygenase (staphylobilin-producing) 2, isdG, isdI, more
protoheme + 5 reduced acceptor + 4 O2 = beta-staphylobilin + Fe2+ + formaldehyde + 5 acceptor + 4 H2O
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protoheme + 5 reduced acceptor + 4 O2 = delta-staphylobilin + Fe2+ + formaldehyde + 5 acceptor + 4 H2O
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