integral component of membrane | intracellular membrane-bounded organelle | cell | integral component of endoplasmic reticulum membrane | ER membrane protein complex | intrinsic component of membrane | cytoplasm | intracellular organelle | intrinsic component of endoplasmic reticulum membrane | endoplasmic reticulum | nuclear outer membrane-endoplasmic reticulum membrane network | protein-containing complex | endomembrane system | endoplasmic reticulum membrane | membrane-bounded organelle | organelle | intracellular | membrane