sialylation | macromolecule modification | metabolic process | organic substance metabolic process | macromolecule metabolic process
integral component of membrane | Golgi stack | intracellular membrane-bounded organelle | organelle membrane | cell | intrinsic component of membrane | cytoplasm | intracellular organelle | Golgi apparatus | Golgi cisterna | endomembrane system | Golgi cisterna membrane | Golgi membrane | membrane-bounded organelle | organelle | intracellular | membrane