Bioactivity | α-Conotoxin BuIA is a paralytic peptide neurotoxin and a competitive nAChR antagonist, with IC50s of 0.258 nM (α6/α3β2), 1.54 nM (α6/α3β4), 5.72 nM (α3β2), respectively. α-Conotoxin BuIA can be used to distinguish nAChRs containing β2- and β4-subunit, respectively. α-Conotoxin BuIA distinguishes among αxβ2 nAChRs with a rank order potency of α6>α3>α2>α4[1]. |
Target | IC50: 0.258 nM (α6/α3β2), 1.54 nM (α6/α3β4), 5.72 nM (α3β2) |
Name | α-Conotoxin BuIA |
CAS | 846539-62-6 |
Sequence | Gly-Cys-Cys-Ser-Thr-Pro-Pro-Cys-Ala-Val-Leu-Tyr-Cys-NH2 (Disulfide bridge: Cys2-Cys8, Cys3-Cys13) |
Shortening | GCCSTPPCAVLYC-NH2 (Disulfide bridge: Cys2-Cys8, Cys3-Cys13) |
Formula | C54H82N14O16S4 |
Molar Mass | 1311.57 |
Transport | Room temperature in continental US; may vary elsewhere. |
Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
Reference | [1]. Azam L, et al. Alpha-conotoxin BuIA, a novel peptide from Conus bullatus, distinguishes among neuronal nicotinic acetylcholine receptors. J Biol Chem. 2005 Jan 7;280(1):80-7. |