Reaction catalyzed by phosphoadenylyl-sulfate reductase (thioredoxin) (1.8.4.8)
+
thioredoxin 2
=
+
+
thioredoxin 2 disulfide
3'-phosphoadenylyl sulfate
+
thioredoxin 2
=
adenosine 3',5'-bisphosphate
+
sulfite
+
thioredoxin 2 disulfide