該基因編碼的蛋白是熱休克蛋白70（hsp70）家族的成員。局限于內質網（ER）內腔，參與ER中蛋白質的折疊和組裝。由于這種蛋白質與許多ER蛋白質相互作用，它可能在監測蛋白質通過細胞的轉運中起到關鍵作用。
The protein encoded by this gene is a member of the heat shock protein 70 (HSP70) family. It is localized in the lumen of the endoplasmic reticulum (ER), and is involved in the folding and assembly of proteins in the ER. As this protein interacts with many ER proteins, it may play a key role in monitoring protein transport through the cell.