cation binding | enzyme binding | enzyme inhibitor activity | molecular function regulator | ion binding | protein binding | calcium ion binding | enzyme regulator activity | metal ion binding
enzyme inhibitor activity | molecular function regulator | negative regulation of catalytic activity | regulation of catalytic activity | negative regulation of molecular function | enzyme regulator activity
sarcoplasmic reticulum | intracellular membrane-bounded organelle | cell | cytoplasm | intracellular organelle | endoplasmic reticulum | Golgi apparatus | endomembrane system | endoplasmic reticulum lumen | extracellular region | membrane-bounded organelle | organelle | sarcoplasm | membrane-enclosed lumen | intracellular | membrane