C-terminal cysteine residue is changed to a serine 1;(source:Araport11)
TAIR Curator Summary:
Encodes a monocysteinic thioredoxin, thioredoxin in which the second cysteine of the redox site is replaced by a serine, with low disulfide reductase but efficient disulfide isomerase activity. The mRNA is cell-to-cell mobile.
TAIR Short Description:
C-terminal cysteine residue is changed to a serine 1