An iron tetrahydroporphyrin prosthetic group common to both assimilatory and dissimilatory sulfite reductases.

Binding Sites Carbon Monoxide Chromatography Desulfovibrio/enzymology Electron Spin Resonance Spectroscopy Escherichia coli/enzymology Iron/analysis Oxidoreductases/analysis Porphyrins/analysis Protein Binding Protein Conformation Species Specificity Spectrophotometry Spectrophotometry, Ultraviolet Sulfites

Porphyrins Sulfites Carbon Monoxide Iron Oxidoreductases