organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound binding heterocyclic compound binding protein binding organic cyclic compound bindingorganic cyclic compound binding heterocyclic compound bindingheterocyclic compound binding protein bindingprotein binding cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cellcell organelleorganelle membrane-enclosed lumenmembrane-enclosed lumen