| ABC | ATP-binding cassette |
| AAC | N-acetyltransferases |
| AME | aminoglycoside-modifying enzymes |
| ANT | O-adenyltransferases |
| APH | O-phosphotransferases |
| CAT | chloramphenicol acetyltransferase |
| CRE | carbapenem-resistant Enterobacteriaceae |
| CTX-M | cefotaximase |
| ESBLs | extended-spectrum β-lactamases |
| ESKAPE | Enterococcus, S. aureus, K. pneumoniae, A. baumannii, P. aeruginosa, and E. coli |
| MATE | multidrug and toxic compound extrusion |
| MFS | major facilitator superfamily |
| MOP | multidrug/oligosaccharidyl-lipid/polysaccharide |
| NAG | N-acetylglucosamine |
| NAM | N-acetylmuramic acid |
| NBDs | nucleotide-binding domains |
| NDM | New Delhi Metallo-β-lactamase |
| PACE | proteobacterial antimicrobial compound efflux |
| PBPs | penicillin-binding proteins |
| RND | resistance-nodulation-cell division |
| TEM | temoneira |
| TMDs | transmembrane domains |
| SHV | sulfhydryl variable |