part of rough endoplasmic reticulum membrane translocon complex Sec complex-associated translocon complex cellular_component mah GO:0031206 2009-12-08T02:08:03Z A protein complex that constitutes a specific site of protein translocation across the endoplasmic reticulum, which involves the signal recognition particle receptor. The complex contains a core heterotrimer of alpha, beta and gamma subunits, and may contain additional proteins. GO:0071256 membrane protein complex endoplasmic reticulum protein-containing complex