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 small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compound binding heterocyclic compound binding small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compound binding heterocyclic compound binding small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compound binding heterocyclic compound binding small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compound binding heterocyclic compound binding small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compound binding heterocyclic compound binding small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compound binding heterocyclic compound binding small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compound binding heterocyclic compound binding small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compound binding heterocyclic compound binding small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compound binding heterocyclic compound binding small molecule binding ion binding carbohydrate derivative binding drug binding ligase activity organic cyclic compoorganic cyclic compound binding heterocyclic compounheterocyclic compound binding small molecule bindismall molecule binding ion bindingion binding carbohydrate derivatcarbohydrate derivative binding drug bindingdrug binding ligase activityligase activity cell cell cell cell cell cell cell cell cell cell cellcell