| A-domain | Adenylation domain |
| ACAT | Acyl-CoA Cholesterol Acyltransferase |
| Aib | 2-Aminoisobutyric acid |
| AL-domain | Acyl ligase domain |
| AMP | Antimicrobial Peptide(s) |
| ATP | Adenosine triphosphate |
| BocK | N-Boc-L-lysine |
| C-domain | Condensation domain |
| CAC | Critical Aggregation Concentration |
| Combi-OGAB | Combinatorial Ordered Gene Assembly in Bacillus |
| CRISPR-Cas9 | Clustered Regularly Interspaced Short Palindromic Repeats-CRISPR-associated protein 9 |
| Cs-domain | Starter condensation domain |
| Cy-domain | Cyclization (Heterocyclization) domain |
| Dab | 2,4-Diaminobutyric acid |
| E-domain | Epimerization domain |
| EPS | Extracellular Polymeric Substance |
| FAAL | Fatty acyl-AMP ligase |
| HPG | Hydroxy-phenyl glycine |
| IL-2 | Interleukin-2 |
| LPS | Lipopolysaccharide |
| MRSA | Methicillin-Resistant Staphylococcus aureus |
| MT-domain | Methylation domain |
| mTOR | Mammalian Target of Rapamycin |
| ncAAs | Non-canonical amino acids |
| NFAT | Nuclear Factor of Activated T cells |
| NRP | Non-Ribosomal Peptide(s) |
| NRPS | Non-Ribosomal Peptide Synthetase(s) |
| Orn | Ornithine |
| Ox-domain | Oxidation domain |
| PCP-domain | Peptidyl Carrier Protein domain |
| PKS | Polyketide Synthase |
| PMB | Polymyxin B |
| PP | 4′-Phosphopantetheine |
| PP1 | Protein Phosphatase 1 |
| PP2A | Protein Phosphatase 2A |
| Ppant | Phosphopantetheine (cofactor) |
| R-domain | Reductase domain |
| rm Combi-OGAB | Random mutagenesis Combi-OGAB |
| SDS | Sodium Dodecyl Sulfate |
| SEAM-OGAB | Seam Express Assembly Method–Ordered Gene Assembly in Bacillus |
| T-domain | Thiolation domain |
| TE-domain | Thioesterase domain |
| TEII | Type II thioesterase |
| TLR4 | Toll-like Receptor 4 |
| VRE | Vancomycin-Resistant Enterococcus |