nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic processnitrogen compound metabolic process cellular metabolic processcellular metabolic process primary metabolic processprimary metabolic process organic substance metabolic processorganic substance metabolic process organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound binding heterocyclic compound binding ion binding organic cyclic compound bindingorganic cyclic compound binding heterocyclic compound bindingheterocyclic compound binding ion bindingion binding cell organelle membrane-enclosed lumen protein-containing complex cell organelle membrane-enclosed lumen protein-containing complex cell organelle membrane-enclosed lumen protein-containing complex cell organelle membrane-enclosed lumen protein-containing complex cell organelle membrane-enclosed lumen protein-containing complex cell organelle membrane-enclosed lumen protein-containing complex cell organelle membrane-enclosed lumen protein-containing complex cell organelle membrane-enclosed lumen protein-containing complex cell organelle membrane-enclosed lumen protein-containing complex cell organelle membrane-enclosed lumen protein-containing complex cellcell organelleorganelle membrane-enclosed lumenmembrane-enclosed lumen protein-containing complexprotein-containing complex