PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1570316-2	1992	Among these, PSF1 and PSF2 encode subunits of a transporter, which presumably delivers cytosolic peptides across the endoplasmic reticulum membrane to class I molecules.	Peptides	97-105	GINS complex subunit 2	Homo sapiens	22-26