μ-Conotoxin GIIIA

µ-Conotoxin GIIIA, originally isolated from the venom of the marine snail Conus geographus L, blocks sodium channels of muscle subtypes with very high selectivity.

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Catalog Number 129129-65-3
Alternative Name(s) L-arginyl-L-alpha-aspartyl-L-cysteinyl-L-cysteinyl-L-threonyl-(4R)-4-hydroxy-L-prolyl-(4R)-4-hydroxy-L-prolyl-L-lysyl-L-lysyl-L-cysteinyl-L-lysyl-L-alpha-aspartyl-L-arginyl-L-glutaminyl-L-cysteinyl-L-lysyl-(4R)-4-hydroxy-L-prolyl-L-glutaminyl-L-arginyl-L-cysteinyl-L-cysteinyl-L-alaninamide (3->15),(4->20),(10->21)-tris(disulfide); H-Arg-Asp-Cys-Cys-Thr-Hyp-Hyp-Lys-Lys-Cys-Lys-Asp-Arg-Gln-Cys-Lys-Hyp-Gln-Arg-Cys-Cys-Ala-NH2 (Disulfide bridge: Cys3-Cys15, Cys4-Cys20, Cys10-Cys21); Geographutoxin I; mu-conotoxin GIIIA
Molecular Formula C28H24N2O2
CAS# 129129-65-3
Purity 95%
Inchi InChI=1S/C100H170N38O32S6/c1-46(76(108)149)118-87(160)62-40-171-172-41-63-88(161)122-52(15-3-7-25-101)80(153)128-61(36-74(147)148)85(158)121-55(19-12-30-116-99(111)112)79(152)123-57(21-23-71(106)143)84(157)131-64-42-173-175-44-66(132-86(159)60(35-73(145)146)127-77(150)51(105)14-11-29-115-98(109)110)91(164)134-67(92(165)135-75(47(2)139)97(170)138-39-50(142)34-70(138)96(169)137-38-49(141)33-69(137)94(167)124-54(17-5-9-27-103)78(151)119-53(81(154)129-63)16-4-8-26-102)45-176-174-43-65(90(163)133-62)130-82(155)56(20-13-31-117-100(113)114)120-83(156)58(22-24-72(107)144)125-93(166)68-32-48(140)37-136(68)95(168)59(126-89(64)162)18-6-10-28-104/h46-70,75,139-142H,3-45,101-105H2,1-2H3,(H2,106,143)(H2,107,144)(H2,108,149)(H,118,160)(H,119,151)(H,120,156)(H,121,158)(H,122,161)(H,123,152)(H,124,167)(H,125,166)(H,126,162)(H,127,150)(H,128,153)(H,129,154)(H,130,155)(H,131,157)(H,132,159)(H,133,163)(H,134,164)(H,135,165)(H,145,146)(H,147,148)(H4,109,110,115)(H4,111,112,116)(H4,113,114,117)/t46-,47+,48+,49+,50+,51-,52-,53-,54-,55-,56-,57-,58-,59-,60-,61-,62-,63-,64-,65-,66-,67-,68-,69-,70-,75-/m0/s1
Inchi Key JXBJHMUQZOSJPJ-HTVVLJMASA-N
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