[DsrC protein]-dithiol + sulfite + 2 AH2 + H(+) => [DsrC protein]-disulfide + hydrogen sulfide + 2 A + 3 H2O
[dsrc protein]-dithiol + sulfite + 2 ah2 + h(+) => [dsrc protein]-disulfide + hydrogen sulfide + 2 a + 3 h2o
[DsrC protein]-dithiol + sulfite + 2 AH2 + H(+) => [DsrC protein]-disulfide + hydrogen sulfide + 2 A + 3 H2O
[dsrc protein]-dithiol + sulfite + 2 ah2 + h(+) => [dsrc protein]-disulfide + hydrogen sulfide + 2 a + 3 h2o