nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process regulation of molecular function organic substance metabolic process small molecule metabolic process nitrogen compound metabnitrogen compound metabolic process cellular metabolic proccellular metabolic process primary metabolic proceprimary metabolic process regulation of molecularregulation of molecular function organic substance metaborganic substance metabolic process small molecule metabolismall molecule metabolic process enzyme regulator activity ion binding enzyme regulator activity ion binding enzyme regulator activity ion binding enzyme regulator activity ion binding enzyme regulator activity ion binding enzyme regulator activity ion binding enzyme regulator activity ion binding enzyme regulator activity ion binding enzyme regulator activity ion binding enzyme regulator activity ion binding enzyme regulator activityenzyme regulator activity ion bindingion binding extracellular region organelle extracellular region organelle extracellular region organelle extracellular region organelle extracellular region organelle extracellular region organelle extracellular region organelle extracellular region organelle extracellular region organelle extracellular region organelle extracellular regionextracellular region organelleorganelle