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.
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- CAS. Nr.: 93438-65-4
- Formel: C88H138N26O44
- Molecular Weight:2264.19
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Speicherung:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Biologische Aktivität
Beschreibung
IC50 & Target
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NMDA Receptor |
Cellular Effect
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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
|
[PMID: 17962189] |
| Oocyte | IC50 |
0.1 μM
Compound: conantokin-G, con-G
|
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
|
[PMID: 17962189] |
| Oocyte | IC50 |
1 μM
Compound: conantokin-G, con-G
|
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
|
[PMID: 17962189] |
| Oocyte | IC50 |
1 μM
Compound: conantokin-G, con-G
|
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
|
[PMID: 17962189] |
Chemical Information
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CAS. Nr. 93438-65-4
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Molecular Weight 2264.19
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Formel 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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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
Please store the product under the recommended conditions in the Certificate of Analysis.
Protokoll
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Primary Embryonic Cortical Neuron Culture
Primary embryonic cortical neuron culture isolates cortical tissue from prenatal rodents, dissociates it into single cells, and maintains neurons in vitro so that neurite extension, neuronal marker expression, synapse formation, survival, and treatment responses can be examined outside the intact brain.
Reinheit & Dokumentation
Verweise
[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
Konzentration (Stammlösung) × Volumen (Stammlösung) = Konzentration (Ziellösung) × Volumen (Ziellösung)