Conantokin G
Conantokin G, a 17-amino-acid peptide, is a potent, selective and competitive antagonist of N-methyl-D-aspartate (NMDA) receptors. Conantokin G inhibits NMDA-evoked currents in murine cortical neurons with an IC50 of 480 nM. Conantokin G has neuroprotective properties.
For research use only. We do not sell to patients.
- CAS No.: 93438-65-4
- Formula: C88H138N26O44
- Molecular Weight:2264.19
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Biological Activity
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Chemical Information
- Purity & Documentation
- References
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Biological Activity
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NMDA Receptor |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| Oocyte | IC50 |
>10 μM
Compound: conantokin-G, con-G
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Inhibition of rat NMDA NR2A receptor expressed in xenopus oocytes coexpressing NMDA NR13b assessed as effect on glycine-induced current response at -70 mV by voltage clamp method
Inhibition of rat NMDA NR2A receptor expressed in xenopus oocytes coexpressing NMDA NR13b assessed as effect on glycine-induced current response at -70 mV by voltage clamp method
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[PMID: 17962189] |
| Oocyte | IC50 |
0.1 μM
Compound: conantokin-G, con-G
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Inhibition of rat NMDA NR2B receptor expressed in xenopus oocytes coexpressing NMDA NR13b assessed as effect on glycine-induced current response at -70 mV by voltage clamp method
Inhibition of rat NMDA NR2B receptor expressed in xenopus oocytes coexpressing NMDA NR13b assessed as effect on glycine-induced current response at -70 mV by voltage clamp method
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[PMID: 17962189] |
| Oocyte | IC50 |
1 μM
Compound: conantokin-G, con-G
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Inhibition of rat NMDA NR2C receptor expressed in xenopus oocytes coexpressing NMDA NR13b assessed as effect on glycine-induced current response at -70 mV by voltage clamp method
Inhibition of rat NMDA NR2C receptor expressed in xenopus oocytes coexpressing NMDA NR13b assessed as effect on glycine-induced current response at -70 mV by voltage clamp method
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[PMID: 17962189] |
| Oocyte | IC50 |
1 μM
Compound: conantokin-G, con-G
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Inhibition of rat NMDA NR2D receptor expressed in xenopus oocytes coexpressing NMDA NR13b assessed as effect on glycine-induced current response at -70 mV by voltage clamp method
Inhibition of rat NMDA NR2D receptor expressed in xenopus oocytes coexpressing NMDA NR13b assessed as effect on glycine-induced current response at -70 mV by voltage clamp method
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[PMID: 17962189] |
Chemical Information
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CAS No. 93438-65-4
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Molecular Weight 2264.19
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Formula C88H138N26O44
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Sequence Shortening
GE-{Gla}-{Gla}-LQ-{Gla}-NQ-{Gla}-LIR-{Gla}-KSN-NH2
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Structure Classification
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Initial Source
Conus geographus
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
[1]. S D Donevan, et al. Conantokin G is an NR2B-selective competitive antagonist of N-methyl-D-aspartate receptors. Mol Pharmacol. 2000 Sep;58(3):614-23. [Content Brief]
[2]. A J Williams, et al. Neuroprotective efficacy and therapeutic window of the high-affinity N-methyl-D-aspartate antagonist conantokin-G: in vitro (primary cerebellar neurons) and in vivo (rat model of transient focal brain ischemia) studies. J Pharmacol Exp Ther. 2000 Jul;294(1):378-86. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Conantokin G Related Classifications
HY-P1293 Related Classifications
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