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. 2016 Sep 8;6:32885. doi: 10.1038/srep32885

Figure 7. Proposed sulfate reduction pathway in mammalian mitochondria. Cascades of sulfate reduction have been described in plants and bacteria.

Figure 7

Mammalian sulfate reduction is hypothesized to involve similar intermediates. Sulfate released from chondroitin 4-sulfate by ARSB might undergo progression reductions from sulfate to sulfite to sulfide, involving iron and NADH.