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.