Lead and the mitochondrion.
D000624:5-Aminolevulinate Synthetase / Q000378:metabolism; D000818:Animals; D007501:Iron; D007854:Lead / Q000378:metabolism / Q000494:pharmacology*; D008190:Lyases / Q000378:metabolism; D008928:Mitochondria / Q000187:drug effects* / Q000201:enzymology; D009206:Myocardium / Q000378:metabolism; D000623:Porphobilinogen Synthase / Q000378:metabolism; D011166:Porphyrins; D011524:Protoporphyrins; D051381:Rats
D011166:Porphyrins; D011524:Protoporphyrins; D007854:Lead; D007501:Iron; D000624:5-Aminolevulinate Synthetase; D008190:Lyases; D000623:Porphobilinogen Synthase