Skip to main content
. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Biochim Biophys Acta. 2014 Jan 11;1844(8):1355–1366. doi: 10.1016/j.bbapap.2014.01.002

Fig. 6.

Fig. 6

The reaction of H2S with heme is dictated by the polarity of the heme pocket. A high dielectric (or polar) site favors reduction to ferrous heme whereas a low dielectric (or non-polar) site favors coordination to ferric heme.