This entry represents the first cytochrome c domain of SoxA and TsdA proteins, heme proteins involved in sulfur oxidation [1-5].

1: Structural basis for the oxidation of thiosulfate by a sulfur cycle enzyme. Bamford VA, Bruno S, Rasmussen T, Appia-Ayme C, Cheesman MR, Berks BC, Hemmings AM; EMBO J. 2002;21:5599-5610. PMID:12411478

2: Structure of the cytochrome complex SoxXA of Paracoccus pantotrophus, a heme enzyme initiating chemotrophic sulfur oxidation. Dambe T, Quentmeier A, Rother D, Friedrich C, Scheidig AJ; J Struct Biol. 2005;152:229-234. PMID:16297640

3: Mechanism of thiosulfate oxidation in the SoxA family of cysteine-ligated cytochromes. Grabarczyk DB, Chappell PE, Eisel B, Johnson S, Lea SM, Berks BC; J Biol Chem. 2015;290:9209-9221. PMID:25673696

4: Thiosulfate dehydrogenase (TsdA) from Allochromatium vinosum: structural and functional insights into thiosulfate oxidation. Brito JA, Denkmann K, Pereira IA, Archer M, Dahl C; J Biol Chem. 2015;290:9222-9238. PMID:25673691

5: Electron Accepting Units of the Diheme Cytochrome c TsdA, a Bifunctional Thiosulfate Dehydrogenase/Tetrathionate Reductase. Kurth JM, Brito JA, Reuter J, Flegler A, Koch T, Franke T, Klein EM, Rowe SF, Butt JN, Denkmann K, Pereira IA, Archer M, Dahl C; J Biol Chem. 2016;291:24804-24818. PMID:27694441