PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
31591268-8	2019	aaRS, EF-Tu, and the ribosome act as "chiral checkpoints" by preferentially binding to l-amino acids or l-aminoacyl-tRNAs, thereby excluding d-amino acids.	Amino Acids	87-100	Tu translation elongation factor, mitochondrial	Homo sapiens	6-11	
24671767-10	2014	We conclude that a tRNA body with high EF-Tu affinity can greatly improve incorporation of unnatural AAs in a potentially generalizable manner.	Amino Acids	101-104	Tu translation elongation factor, mitochondrial	Homo sapiens	39-44	
30691159-3	2019	For instance, l-alpha-amino acids with artificial, bulky side chains are poorer substrates for ribosomal incorporation into the nascent peptide chain, mainly owing to the lower affinity of their aminoacyl-tRNA toward elongation factor-thermo unstable (EF-Tu).	Amino Acids	14-33	Tu translation elongation factor, mitochondrial	Homo sapiens	252-257