nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic nitrogen compound metabolic process catabolic processcatabolic process cellular metabolic processcellular metabolic process primary metabolic processprimary metabolic process organic substance metabolic organic substance metabolic process catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a protein transferase activity protein binding catalytic activity, acting on a proteincatalytic activity, acting on a protein transferase activitytransferase activity protein bindingprotein binding cell protein-containing complex cell protein-containing complex cell protein-containing complex cell protein-containing complex cell protein-containing complex cell protein-containing complex cell protein-containing complex cell protein-containing complex cell protein-containing complex cell protein-containing complex cellcell protein-containing complexprotein-containing complex