Involved in endoplasmic reticulum-associated degradation (ERAD) for misfolded lumenal proteins, possibly by tethering VCP to the endoplasmic reticulum membrane. May play a role in reproduction (By similarity). Interacts with SYVN1 and VCP. Highly expressed in gonads. In testis, expressed in post-meiotic round spermatids, while in ovaries it is expressed in granulosa cells. Expressed in both the early and late embryonic stages of development.