PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12459913-1	2003	Porphobilinogen synthase (PBGS) is an ancient and highly conserved protein that functions in the first common step in tetrapyrrole biosynthesis.	Tetrapyrroles	118-130	aminolevulinate dehydratase	Homo sapiens	0-24	
12459913-1	2003	Porphobilinogen synthase (PBGS) is an ancient and highly conserved protein that functions in the first common step in tetrapyrrole biosynthesis.	Tetrapyrroles	118-130	aminolevulinate dehydratase	Homo sapiens	26-30