Charybdotoxin

Charybdotoxin, a 37-amino acid peptide, is a K+ channel blocker.

Product information

CAS Number: 95751-30-7

Molecular Weight: 4295.89

Formula: C176H277N57O55S7

Chemical Name: (2S)-3-hydroxy-2-[(2S)-3-(4-hydroxyphenyl)-2-{[(1R,4S,7R,12R,15S,18S,21S,24S,27S,30S,33S,36S,42S,45R,50R,53S,56S,59S,62S,65S,68R,75S,78S,81S,84S,89S,92S,95S)-42,62,75,78-tetrakis(4-aminobutyl)-4,18,36-tris(3-carbamimidamidopropyl)-50-[(2S)-2-[(2S)-2-[(2S)-3-carbamoyl-2-[(2S,3R)-3-hydroxy-2-[(2S)-2-{[(2S)-5-oxopyrrolidin-2-yl]formamido}-3-phenylpropanamido]butanamido]propanamido]-3-methylbutanamido]-3-hydroxypropanamido]-15-(2-carbamoylethyl)-27,81-bis(carbamoylmethyl)-65-(2-carboxyethyl)-30,53,56-tris[(1R)-1-hydroxyethyl]-33,59,92-tris(hydroxymethyl)-24-[(1H-imidazol-5-yl)methyl]-89-[(1H-indol-3-yl)methyl]-21-(2-methylpropyl)-84-[2-(methylsulfanyl)ethyl]-2,5,13,16,19,22,25,28,31,34,37,40,43,51,54,57,60,63,66,74,77,80,83,86,87,90,93,96-octacosaoxo-95-(propan-2-yl)-9,10,47,48,70,71-hexathia-3,6,14,17,20,23,26,29,32,35,38,41,44,52,55,58,61,64,67,73,76,79,82,85,88,91,94,97-octacosaazatricyclo[43.27.14.11¹²,⁶⁸]heptanonacontan-7-yl]formamido}propanamido]propanoic acid

Smiles: CSCC[C@@H]1NC(=O)[C@@H]2CSSC[C@H](NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](CC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](CC3C=CC=CC=3)NC(=O)[C@@H]3CCC(=O)N3)[C@@H](C)O)C(C)C)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@H]3CSSC[C@H](NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC(N)=O)NC1=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CSSC[C@H](NC(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)[C@H](CC1=CNC4=CC=CC=C14)NC3=O)C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC1=CN=CN1)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCNC(N)=N)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N2)C(=O)N[C@@H](CC1C=CC(O)=CC=1)C(=O)N[C@@H](CO)C(O)=O

InChiKey: CNVQLPPZGABUCM-LIGYZCPXSA-N

InChi: InChI=1S/C176H277N57O55S7/c1-81(2)58-106-149(263)213-110(62-91-67-191-80-197-91)152(266)215-112(64-127(183)246)156(270)231-135(85(8)240)170(284)219-114(69-234)157(271)200-95(36-25-54-192-174(185)186)138(252)196-68-130(249)199-96(32-17-21-50-177)139(253)222-120-75-291-295-79-124(226-159(273)116(71-236)218-167(281)132(82(3)4)228-155(269)113(65-128(184)247)216-169(283)134(84(7)239)230-154(268)108(59-88-28-13-12-14-29-88)210-145(259)102-44-47-129(248)198-102)166(280)232-137(87(10)242)172(286)233-136(86(9)241)171(285)220-115(70-235)158(272)204-98(34-19-23-52-179)141(255)206-104(45-48-131(250)251)147(261)225-122-77-292-290-74-119(223-143(257)99(35-20-24-53-180)201-140(254)97(33-18-22-51-178)203-153(267)111(63-126(182)245)214-148(262)105(49-57-289-11)208-162(120)276)161(275)205-101(38-27-56-194-176(189)190)144(258)224-121(164(278)211-107(60-89-39-41-92(243)42-40-89)150(264)221-118(73-238)173(287)288)76-293-294-78-123(163(277)207-103(43-46-125(181)244)146(260)202-100(142(256)209-106)37-26-55-193-175(187)188)227-168(282)133(83(5)6)229-160(274)117(72-237)217-151(265)109(212-165(122)279)61-90-66-195-94-31-16-15-30-93(90)94/h12-16,28-31,39-42,66-67,80-87,95-124,132-137,195,234-243H,17-27,32-38,43-65,68-79,177-180H2,1-11H3,(H2,181,244)(H2,182,245)(H2,183,246)(H2,184,247)(H,191,197)(H,196,252)(H,198,248)(H,199,249)(H,200,271)(H,201,254)(H,202,260)(H,203,267)(H,204,272)(H,205,275)(H,206,255)(H,207,277)(H,208,276)(H,209,256)(H,210,259)(H,211,278)(H,212,279)(H,213,263)(H,214,262)(H,215,266)(H,216,283)(H,217,265)(H,218,281)(H,219,284)(H,220,285)(H,221,264)(H,222,253)(H,223,257)(H,224,258)(H,225,261)(H,226,273)(H,227,282)(H,228,269)(H,229,274)(H,230,268)(H,231,270)(H,232,280)(H,233,286)(H,250,251)(H,287,288)(H4,185,186,192)(H4,187,188,193)(H4,189,190,194)/t84-,85-,86-,87-,95+,96+,97+,98+,99+,100+,101+,102+,103+,104+,105+,106+,107+,108+,109+,110+,111+,112+,113+,114+,115+,116+,117+,118+,119+,120+,121+,122+,123+,124+,132+,133+,134+,135+,136+,137+/m1/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 ^oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 ^oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

Charybdotoxin represents a remarkable tool for studying K+ channels.

Products are for research use only. Not for human use.