PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
29311602-6	2018	In the case of UbcH5~Ub an interaction with ubiquitin is necessary to stabilize the transfer complex while recognition of UbcH7~Ub is driven primarily by E2-RING1 contacts.	BM	21-23	ubiquitin conjugating enzyme E2 D1	Homo sapiens	15-20