nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compound metabolic process catabolic process cellular metabolic process primary metabolic process organic substance metabolic process biosynthetic process response to chemical cellular response to stimulus nitrogen compoundnitrogen compound metabolic process catabolic processcatabolic process cellular metabolicellular metabolic process primary metabolicprimary metabolic process organic substanceorganic substance metabolic process biosynthetic procbiosynthetic process response to chemiresponse to chemical cellular responsecellular response to stimulus hydrolase activity ion binding hydrolase activity ion binding hydrolase activity ion binding hydrolase activity ion binding hydrolase activity ion binding hydrolase activity ion binding hydrolase activity ion binding hydrolase activity ion binding hydrolase activity ion binding hydrolase activity ion binding hydrolase activityhydrolase activity ion bindingion binding cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cellcell organelleorganelle membranemembrane