Probable disulfide isomerase, which participates in the folding of proteins containing disulfide bonds. May act as a dithiol oxidase . Acts as a regulator of endoplasmic reticulum-mitochondria contact sites via its ability to regulate redox signals .
Subcellular locations: Endoplasmic reticulum membrane
Widely expressed. Expressed in brain, testis, lung, skin, kidney, uterus, bone, stomach, liver, prostate, placenta, eye and muscle.