ω-Agatoxin IVA TFA is a potent, selective P/Q type Ca2+ (Cav2.1) channel blocker with IC50s of 2 nM and 90 nM for P-type and Q-type Ca2+ channels, respectively. ω-Agatoxin IVA TFA (IC50, 30-225 nM) inhibits glutamate exocytosis and calcium influx elicited by high potassium. ω-Agatoxin IVA TFA also blocks the high potassium-induced release of serotonin and norepinephrine.
| Molecular Weight | 5316.27 |
| Formula | C217H360N68O60S10.C2HF3O2 |
| CAS Number | 145017-83-0 (free base) |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
| Related Calcium Channel Products |
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| ω-Agatoxin TK
ω-Agatoxin TK, a peptidyl toxin of the venom of Agelenopsis aperta, is a potent and selective P/Q type Ca2+ channel blocker. |
| SNX-482
SNX-482, a peptidyl toxin of the spider Hysterocrates gigas, is a potent, high affinity, selective and voltage-dependent R-type CaV2.3 channel blocker with an IC50 of 30 nM. |
| ω-Conotoxin MVIIC
ω-Conotoxin MVIIC is a N- and P/Q-type Ca2+ channel blocker, significantly suppresses the 11-keto-βboswellic acid-mediated inhibition of glutamate release. |
| ω-Conotoxin GVIA
ω-Conotoxin GVIA is an inhibitor of the N-type Ca2+ channel. |
| ω-Conotoxin CnVIIA
ω-Conotoxin CnVIIA, a 27 amino acid neuropeptide toxin, is a N-type calcium current blocker. |
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