PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2607315-2	1989	Porphobilinogen deaminase concentration (micrograms/gHb) was quantified using a recently developed double-sandwich ELISA.	4-hydroxybutyric acid	52-55	hydroxymethylbilane synthase	Homo sapiens	0-25	
2607315-6	1989	The majority (91%) of gene carriers, from 25 families, had a diminished porphobilinogen deaminase concentration of 102 +/- 18 micrograms/gHb, with a slightly lowered specific activity of 634 +/- 105 nkat/g.	4-hydroxybutyric acid	137-140	hydroxymethylbilane synthase	Homo sapiens	72-97	
2607315-7	1989	In 9% of the gene carriers, representing six different families, an increase in porphobilinogen deaminase concentration to 269 +/- 46 micrograms/gHb, and a highly significant reduction in specific activity to 234 +/- 48 nkat/g, were found, which indicates the presence of a different mutation.	4-hydroxybutyric acid	145-148	hydroxymethylbilane synthase	Homo sapiens	80-105