| CTx | conotoxin |
| nAChRs | nicotinic acetylcholine receptors |
| KSI | ketosteroid isomerase |
| CNBr | cyanogen bromide |
| CIAP | calf intestine alkaline phosphatase |
| IPTG | isopropyl β- d-1-thiogalactopyranoside |
| RP-HPLC | reversed phase high-performance liquid chromatography |
| ESI-MS | electrospray ionization-mass spectrometer |
| SDS-PAGE | sodium dodecyl sulfate polyacrylamide gel electropheresis |
| TFA | trifluoroacetic acid |
| ACN | acetonitrile |
| NSS | normal saline solution |
| LB | Lysogeny Broth |