PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2159891-2	1990	However, the cytochrome c reduction by the electron transport system was inhibited in the presence of inorganic (pyro)phosphate.	diphosphoric acid	112-127	cytochrome c, somatic	Homo sapiens	13-25