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![x-Conotoxin GI [H-Glu-Cys-Cys-Asn-Pro-Ala-Cys-Gly-Arg-His-Tyr-Ser-Cys-NH2 (Cys2-Cys7, Cys3-Cys13); MW: 1433.63] - 0.5 mg](/web/image/product.product/123126/image_1024/%5BSP-55547-1%5D%20x-Conotoxin%20GI%20%5BH-Glu-Cys-Cys-Asn-Pro-Ala-Cys-Gly-Arg-His-Tyr-Ser-Cys-NH2%20(Cys2-Cys7,%20Cys3-Cys13);%20MW:%201433.63%5D%20-%200.5%20mg?unique=a83a284)