Predicted to enable serine-type endopeptidase activity. Predicted to be involved in several processes, including cellular response to unfolded protein; membrane protein proteolysis; and positive regulation of protein metabolic process. Predicted to be located in endoplasmic reticulum membrane and endoplasmic reticulum quality control compartment. Predicted to be integral component of endoplasmic reticulum membrane. Predicted to be active in endoplasmic reticulum. Orthologous to human RHBDD1 (rhomboid domain containing 1). [provided by Alliance of Genome Resources, Apr 2022]