3HB6:
reference: Verdoheme formation in Proteus mirabilis catalase., Andreoletti P, Mouesca JM, Gouet P, Jaquinod M, Capeillere-Blandin C, Jouve HM, Biochim Biophys Acta. 2009 Aug;1790(8):741-53. Epub 2009 Apr 24. PMID: 19394409

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