193981-10-1
Chemical Structure
ω-Hexatoxin-Hv1a
Synonym(s): ω-ACTX-Hv1; ω-Atracotoxin-HV1
- CAS No.: 193981-10-1
- Formula:C162H247N49O61S6
- Molecular Weight:4049.38
SMILES: O=C(N1[C@@H](CCC1)C(N[C@@H]([C@H](O)C)C(N[C@@H](CSSC[C@@H](C(N[C@@H](CO)C(N[C@@H](CCC(N)=O)C(N[C@H]2CO)=O)=O)=O)NC3=O)C(N[C@@H]([C@@H](C)CC)C(N4[C@@H](CCC4)C(N[C@@H](CO)C(NCC(N[C@@H](CCC(N)=O)C(N5[C@@H](CCC5)C(N[C@@H](CSSC[C@@H](C(N[C@@H]([C@H](O)C)C(N[C@@H](CC6=CC=CC=C6)C(N[C@@H](CCCCN)C(N[C@@H](CCC(O)=O)C(N[C@@H](CC(N)=O)C(N[C@@H](CCC(O)=O)C(N[C@@H](CC(N)=O)C(NCC(N[C@@H](CC(N)=O)C(N[C@@H]([C@H](O)C)C(N[C@@H](C(C)C)C(N[C@@H](CCCCN)C(N[C@H]7CCCNC(N)=N)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)NC2=O)C(N8[C@@H](CCC8)C(N[C@@H](CC9=CC=C(C=C9)O)C(N[C@@H](CC(N)=O)C(N[C@@H](CCC(O)=O)C(N[C@@H](CC(N)=O)C(N[C@H]3CSSC[C@@H](C(N[C@@H](CC(O)=O)C(O)=O)=O)NC7=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)[C@H](CO)N
Biological Activity: ω-Hexatoxin-Hv1a (ω-ACTX-Hv1; ω-Atracotoxin-HV1) is an orally active insecticidal neurotoxin containing an inhibitor cystine knot motif and a selective calcium channel inhibitor. ω-Hexatoxin-Hv1a blocks L-type voltage-dependent Ca2+ channels and reduces intracellular calcium ion concentration, thereby decreasing apoptosis, necroptosis and oxidative stress, and promoting cell recovery and energy level elevation. ω-Hexatoxin-Hv1a causes larval paralysis and death by impairing neurotransmission in the central nervous system of insects. It shows high injectable toxicity against insects of multiple orders, but exhibits weak oral toxicity. ω-Hexatoxin-Hv1a is widely applicable to studies related to ischemia-reperfusion injury, atopic dermatitis, and ischemic injury of cardiomyocytes and neurons[1][2][3].
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ω-Hexatoxin-Hv1a | ω-Hexatoxin-Hv1a (ω-ACTX-Hv1; ω-Atracotoxin-HV1) is an orally active insecticidal neurotoxin containing an inhibitor cystine knot motif and a selective calcium channel inhibitor. ω-Hexatoxin-Hv1a blocks L-type voltage-dependent Ca2+ channels and reduces intracellular calcium ion concentration, thereby decreasing apoptosis, necroptosis and oxidative stress, and promoting cell recovery and energy level elevation. ω-Hexatoxin-Hv1a causes larval paralysis and death by impairing neurotransmission in the central nervous system of insects. It shows high injectable toxicity against insects of multiple orders, but exhibits weak oral toxicity. ω-Hexatoxin-Hv1a is widely applicable to studies related to ischemia-reperfusion injury, atopic dermatitis, and ischemic injury of cardiomyocytes and neurons. | |||||||||||||||||||||
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- [1]. Iurova EV, et al. Effect of the Peptide Calcium Channel Blocker ω-hexatoxin-Hv1a on Cell Death during Ischemia/Reperfusion in vitro. Sovrem Tekhnologii Med. 2023;15(1):21-27. [Content Brief]
- [2]. Fitches EC, et al. Fusion to snowdrop lectin magnifies the oral activity of insecticidal ω-Hexatoxin-Hv1a peptide by enabling its delivery to the central nervous system. PLoS One. 2012;7(6):e39389. [Content Brief]
- [3]. Iurova E, et al. Arthropod toxins inhibiting Ca2+ and Na+ channels prevent AC-1001 H3 peptide-induced apoptosis. J Pept Sci. 2021;27(1):e3288. [Content Brief]
Keywords
