PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9062788-4 1997 Resistance to the ampicillin/sulbactam combination was associated with the presence of a beta-lactamase with pI 5.4, presumably representing a TEM-1 beta-lactamase. Sulbactam 29-38 TEM-1 beta-lactamase Klebsiella pneumoniae 143-163