title: Siroheme and sirohydrochlorin. The basis for a new type of porphyrin-related prosthetic group common to both assimilatory and dissimilatory sulfite reductases.
mesh_terms: D001419:Bacteria / Q000201:enzymology*; D001665:Binding Sites; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D003300:Copper / Q000032:analysis; D003901:Desulfovibrio / Q000201:enzymology*; D004926:Escherichia coli / Q000201:enzymology*; D006420:Hemeproteins / Q000032:analysis; D007501:Iron / Q000032:analysis; D010088:Oxidoreductases / Q000032:analysis*; D011166:Porphyrins / Q000032:analysis*; D011485:Protein Binding; D011725:Pyridines; D013050:Spectrometry, Fluorescence; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013447:Sulfites
chemical_list: D006420:Hemeproteins; D011166:Porphyrins; D011725:Pyridines; D013447:Sulfites; D003300:Copper; D007501:Iron; D010088:Oxidoreductases