PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
18426857-7	2008	Instead, it blocked the interaction between VHL and the proline-hydroxylated HIF-1alpha, but only when the reducing agents Fe(II) and vitamin C were limiting.	Proline	56-63	hypoxia inducible factor 1 subunit alpha	Homo sapiens	77-87