nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process cellular metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic processnitrogen compound metabolic process cellular metabolic processcellular metabolic process small molecule metabolic processsmall molecule metabolic process organic substance metabolic processorganic substance metabolic process ion binding protein binding hydrolase activity ion binding protein binding hydrolase activity ion binding protein binding hydrolase activity ion binding protein binding hydrolase activity ion binding protein binding hydrolase activity ion binding protein binding hydrolase activity ion binding protein binding hydrolase activity ion binding protein binding hydrolase activity ion binding protein binding hydrolase activity ion binding protein binding hydrolase activity ion bindingion binding protein bindingprotein binding hydrolase activityhydrolase activity cell cell cell cell cell cell cell cell cell cell cellcell