Protein
Sulfite reductase [ferredoxin]
Organism
Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh)
Function
Catalyzes the reduction of sulfite to sulfide, a step in the biosynthesis of sulfur-containing amino acids and cofactors.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Sequence
MTTARPAKARNEGQWALGHREPLNANEELKKAGNPLDVRERIENIYAKQGFDSIDKTDLRGRFRWWGLYTQREQGYDGTWTGDDNIDKLEAKYFMMRVRCDGGALSAAALRTLGQISTEFARDTADISDRQNVQYHWIEVENVPEIWRRLDDVGLQTTEACGDCPRVVLGSPLAGESLDEVLDPTWAIEEIVRRYIGKPDFADLPRKYKTAISGLQDVAHEINDVAFIGVNHPEHGPGLDLWVGGGLSTNPMLAQRVGAWVPLGEVPEVWAAVTSVFRDYGYRRLRAKARLKFLIKDWGIAKFREVLETEYLKRPLIDGPAPEPVKHPIDHVGVQRLKNGLNAVGVAPIAGRVSGTILTAVADLMARAGSDRIRFTPYQKLVILDIPDALLDDLIAGLDALGLQSRPSHWRRNLMACSGIEFCKLSFAETRVRAQHLVPELERRLEDINSQLDVPITVNINGCPNSCARIQIADIGFKGQMIDDGHGGSVEGFQVHLGGHLGLDAGFGRKLRQHKVTSDELGDYIDRVVRNFVKHRSEGERFAQWVIRAEEDDLR