Reaction catalyzed by L-cysteine S-thiosulfotransferase (2.8.5.2)
[SoxY protein]-L-cysteine
+
+
2
=
[SoxY protein]-S-sulfosulfanyl-L-cysteine
+
2
+
2
[SoxY protein]-L-cysteine
+
thiosulfate
+
2 ferricytochrome c
=
[SoxY protein]-S-sulfosulfanyl-L-cysteine
+
2 ferrocytochrome c
+
2 H+
