nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication response to endogenous stimulus response to chemical cellular response to stimulus nitrogen compoundnitrogen compound metabolic process cellular metabolicellular metabolic process primary metabolicprimary metabolic process organic substanceorganic substance metabolic process cell communicatiocell communication response to endogresponse to endogenous stimulus response to chemiresponse to chemical cellular responsecellular response to stimulus 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 
