PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
34680351-5	2021	More particularly, we focus on alpha-2,8-linked polysialic acid chains, which characterize carrier glycoproteins such as NCAM, NRP-2, or SynCam-1.	polysialic acid	48-63	neural cell adhesion molecule 1	Homo sapiens	121-125