nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process catabolic process nitrogen compound metabolic nitrogen compound metabolic process cellular metabolic processcellular metabolic process primary metabolic processprimary metabolic process organic substance metabolic organic substance metabolic process catabolic processcatabolic process catalytic activity, acting on a protein transferase activity catalytic activity, acting on a protein transferase activity catalytic activity, acting on a protein transferase activity catalytic activity, acting on a protein transferase activity catalytic activity, acting on a protein transferase activity catalytic activity, acting on a protein transferase activity catalytic activity, acting on a protein transferase activity catalytic activity, acting on a protein transferase activity catalytic activity, acting on a protein transferase activity catalytic activity, acting on a protein transferase activity catalytic activity, acting on a proteincatalytic activity, acting on a protein transferase activitytransferase activity