Predicted to contribute to membrane insertase activity. Predicted to be involved in protein insertion into ER membrane by stop-transfer membrane-anchor sequence and tail-anchored membrane protein insertion into ER membrane. Predicted to be integral component of endoplasmic reticulum membrane. Predicted to be part of EMC complex. Is expressed in lung. Orthologous to human EMC3 (ER membrane protein complex subunit 3). [provided by Alliance of Genome Resources, Apr 2022]