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 protein binding protein binding protein binding protein binding protein binding protein binding protein binding protein binding protein binding protein binding protein bindingprotein binding cell protein-containing complex organelle membrane-enclosed lumen cell protein-containing complex organelle membrane-enclosed lumen cell protein-containing complex organelle membrane-enclosed lumen cell protein-containing complex organelle membrane-enclosed lumen cell protein-containing complex organelle membrane-enclosed lumen cell protein-containing complex organelle membrane-enclosed lumen cell protein-containing complex organelle membrane-enclosed lumen cell protein-containing complex organelle membrane-enclosed lumen cell protein-containing complex organelle membrane-enclosed lumen cell protein-containing complex organelle membrane-enclosed lumen cellcell protein-containing complexprotein-containing complex organelleorganelle membrane-enclosed lumenmembrane-enclosed lumen 
