PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2949310-3	1987	A situation analogous to the latent stage of human hepatic porphyria can be produced in chick embryos by injecting an inhibitor of ferrochelatase (the last enzyme in the heme biosynthesis pathway); the simultaneous injection of a porphyrinogenic drug (e.g. barbiturate) results in a strong increase of liver porphyrin levels, as is found in human hepatic porphyrias.	barbituric acid	257-268	ferrochelatase	Gallus gallus	131-145