GO:0019344

Sulfite reductase, assimilatory-type
sulfite reductase, alpha subunit (flavoprotein) (RefSeq)
Phosphoadenosine phosphosulfate reductase (PAPS reductase, thioredoxin dependent) (PAdoPS reductase) (3'- phosphoadenylyl-sulfate reductase) (PAPS sulfotransferase) (RefSeq)