nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compound metabolic process cellular metabolic process primary metabolic process small molecule metabolic process organic substance metabolic process establishment of localization system process response to chemical nitrogen compoundnitrogen compound metabolic process cellular metabolicellular metabolic process primary metabolicprimary metabolic process small molecule mesmall molecule metabolic process organic substanceorganic substance metabolic process establishment of establishment of localization system processsystem process response to chemiresponse to chemical transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activity neurotransmitter transporter activity transmembrane transporter activitytransmembrane transporter activity neurotransmitter transporter activityneurotransmitter transporter activity cell membrane cell membrane cell membrane cell membrane cell membrane cell membrane cell membrane cell membrane cell membrane cell membrane cellcell membranemembrane