YCR083W TRX3 SGDID:S000000679, Chr III from 259578-259961, Genome Release 64-1-1, Verified ORF, "Mitochondrial thioredoxin, highly conserved oxidoreductase required to maintain the redox homeostasis of the cell, forms the mitochondrial thioredoxin system with Trr2p, redox state is maintained by both Trr2p and Glr1p"