PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19520111-6 2009 Here we report the use of homologous recombination in Escherichia coli as a method to insert a cassette containing the unc-119 gene into commonly used plasmids at the site of the ampicillin resistance gene which is simpler than other methods like subcloning. Ampicillin 179-189 GMP_PDE_delta domain-containing protein;Protein unc-119 Caenorhabditis elegans 119-126