nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process catabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process nitrogen compound menitrogen compound metabolic process biosynthetic processbiosynthetic process catabolic processcatabolic process cellular metabolic pcellular metabolic process primary metabolic prprimary metabolic process small molecule metabsmall molecule metabolic process organic substance meorganic substance metabolic process isomerase activity isomerase activity isomerase activity isomerase activity isomerase activity isomerase activity isomerase activity isomerase activity isomerase activity isomerase activity isomerase activityisomerase activity