Predicted to enable ribosome binding activity. Predicted to be involved in several processes, including protein targeting to ER; signal peptide processing; and viral protein processing. Predicted to be part of signal peptidase complex. Predicted to be integral component of endoplasmic reticulum membrane. Orthologous to human SPCS1 (signal peptidase complex subunit 1). [provided by Alliance of Genome Resources, Apr 2022]