| gptkbp:instanceOf | gptkb:antibiotic 
 | 
                        
                            
                                | gptkbp:canBeInactivatedBy | beta-lactamase enzymes 
 | 
                        
                            
                                | gptkbp:chemicalFormula | contains four-membered lactam ring 
 | 
                        
                            
                                | gptkbp:combines | beta-lactamase inhibitors 
 | 
                        
                            
                                | gptkbp:concerns | gptkb:carbapenem-resistant_Enterobacteriaceae gptkb:MRSA
 ESBL-producing bacteria
 
 | 
                        
                            
                                | gptkbp:contains | beta-lactam ring 
 | 
                        
                            
                                | gptkbp:contraindication | penicillin allergy 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:antibiotic 1928
 Alexander Fleming (penicillin)
 
 | 
                        
                            
                                | gptkbp:drugInteraction | may reduce efficacy of oral contraceptives 
 | 
                        
                            
                                | gptkbp:example | gptkb:amoxicillin gptkb:aztreonam
 gptkb:ceftriaxone
 gptkb:imipenem
 
 | 
                        
                            
                                | gptkbp:includes | gptkb:cephalosporins gptkb:monobactams
 penicillins
 carbapenems
 
 | 
                        
                            
                                | gptkbp:mechanismOfAction | inhibit bacterial cell wall synthesis 
 | 
                        
                            
                                | gptkbp:metabolism | mainly renal excretion 
 | 
                        
                            
                                | gptkbp:namedAfter | beta-lactam ring 
 | 
                        
                            
                                | gptkbp:pregnancyCategory | generally safe 
 | 
                        
                            
                                | gptkbp:resistantTo | beta-lactamase production 
 | 
                        
                            
                                | gptkbp:routeOfAdministration | oral intramuscular
 intravenous
 
 | 
                        
                            
                                | gptkbp:sideEffect | diarrhea allergic reaction
 rash
 
 | 
                        
                            
                                | gptkbp:spectrumOfActivity | broad-spectrum narrow-spectrum
 
 | 
                        
                            
                                | gptkbp:subclassOf | antibacterial drugs 
 | 
                        
                            
                                | gptkbp:target | penicillin-binding proteins 
 | 
                        
                            
                                | gptkbp:usedFor | gptkb:pneumonia meningitis
 skin infections
 sepsis
 urinary tract infections
 bacterial infections
 
 | 
                        
                            
                                | gptkbp:usedIn | gptkb:veterinary_medicine human medicine
 
 | 
                        
                            
                                | gptkbp:WHOStatus | gptkb:Essential_Medicines 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Beta 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | beta-lactam antibiotics 
 |