PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
27723332-4	2016	These observations are consistent with the formation of R3N+-C(R)-H   NR3 type hydrogen bonds between the nitrogen atom of the ionophore and the hydrogen atoms in the alpha position to the positively charged quaternary ammonium center of NBu4+.	quaternary ammonium	208-227	glutamate ionotropic receptor NMDA type subunit 2B	Homo sapiens	70-73