PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2835858-3	1988	In analogy to PDGF, the gp200sis protein backbone is shown here to consist of disulfide-linked polypeptide chains.	Disulfides	78-87	podocalyxin like	Homo sapiens	24-29