PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2660637-4 1989 New characters of resistance to beta-lactam antibiotics in enterobacteria result from the apparition of mutant of the TEM-1 and TEM-2 penicillinases. beta-Lactams 32-43 CD248 molecule Homo sapiens 118-123