PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3492374-5 1986 Further studies on a few strains of each species revealed that the beta-lactamase of Haemophilus influenzae (TEM-1) rapidly inactivated ampicillin and slowly inactivated cefaclor but not cefuroxime. Cefaclor 170-178 beta-lactamase Haemophilus influenzae 109-114