nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabnitrogen compound metabolic process biosynthetic processbiosynthetic process cellular metabolic proccellular metabolic process primary metabolic proceprimary metabolic process organic substance metaborganic substance metabolic process catabolic processcatabolic process organic cyclic compound binding heterocyclic compound binding organic cyclic compound binding heterocyclic compound binding organic cyclic compound binding heterocyclic compound binding organic cyclic compound binding heterocyclic compound binding organic cyclic compound binding heterocyclic compound binding organic cyclic compound binding heterocyclic compound binding organic cyclic compound binding heterocyclic compound binding organic cyclic compound binding heterocyclic compound binding organic cyclic compound binding heterocyclic compound binding organic cyclic compound binding heterocyclic compound binding organic cyclic compound bindingorganic cyclic compound binding heterocyclic compound bindingheterocyclic compound binding cell cell cell cell cell cell cell cell cell cell cellcell