Predicted to enable serine-type endopeptidase activity. Predicted to be involved in signal peptide processing. Predicted to be located in endoplasmic reticulum membrane. Predicted to be part of signal peptidase complex. Is expressed in several structures, including alimentary system; cranium; respiratory system; sensory organ; and telencephalon. Orthologous to human SEC11C (SEC11 homolog C, signal peptidase complex subunit).