Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.8 Acting on a sulfur group of donors
1.8.4 With a disulfide as acceptor
1.8.4.8
R02021 Thioredoxin + 3'-Phosphoadenylyl sulfate <=> Thioredoxin disulfide + Sulfite + Adenosine 3',5'-bisphosphate