PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
20194120-3	2010	In this system, recombinase variants are selected for activity on new substrates based on enzyme-mediated reassembly of the gene encoding beta-lactamase that confers ampicillin resistance to Escherichia coli.	Ampicillin	166-176	beta-lactamase	Escherichia coli	138-152