PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
23613577-7	2013	TCR beta-chain contacts are mostly through the variable CDR3beta loop that is positioned proximal to the CDR3alpha loop directly over the MR1 open groove.	cdr3alpha	105-114	major histocompatibility complex, class I-related	Homo sapiens	138-141