calcium ion homeostasis | metal ion homeostasis | cation homeostasis | homeostatic process | chemical homeostasis | ion homeostasis | divalent inorganic cation homeostasis
integral component of membrane | intracellular membrane-bounded organelle | cell | intrinsic component of membrane | cytoplasm | intracellular organelle | endoplasmic reticulum | nuclear outer membrane-endoplasmic reticulum membrane network | endomembrane system | endoplasmic reticulum membrane | membrane-bounded organelle | organelle | intracellular | membrane