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Merck
CN

C4188

ω-Conotoxin MVIIC

≥95% (HPLC)

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About This Item

Empirical Formula (Hill Notation):
C106H178N40O32S7
CAS Number:
147794-23-8
Molecular Weight:
2749.25
NACRES:
NA.32
PubChem Substance ID:
329775056
UNSPSC Code:
12352200
MDL number:
MFCD00214640

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InChI

1S/C106H178N40O32S7/c1-53-103(178)146-36-15-23-75(146)101(176)144-74-52-185-183-49-71-89(164)126-43-79(154)130-62(21-13-34-120-105(115)116)90(165)133-60(20-12-33-119-104(113)114)87(162)124-42-78(153)129-61(18-6-10-31-109)91(166)140-70(83(112)158)48-181-184-51-73(100(175)143-72(99(174)139-68(45-147)88(163)125-44-80(155)131-69(46-148)97(172)141-71)50-182-180-47-57(111)84(159)132-59(17-5-9-30-108)86(161)123-41-77(152)128-58(16-4-8-29-107)85(160)122-40-76(151)127-53)142-96(171)67(39-81(156)157)138-95(170)66(38-55-24-26-56(150)27-25-55)137-93(168)65(28-37-179-3)136-102(177)82(54(2)149)145-94(169)63(19-7-11-32-110)134-92(167)64(135-98(74)173)22-14-35-121-106(117)118/h24-27,53-54,57-75,82,147-150H,4-23,28-52,107-111H2,1-3H3,(H2,112,158)(H,122,160)(H,123,161)(H,124,162)(H,125,163)(H,126,164)(H,127,151)(H,128,152)(H,129,153)(H,130,154)(H,131,155)(H,132,159)(H,133,165)(H,134,167)(H,135,173)(H,136,177)(H,137,168)(H,138,170)(H,139,174)(H,140,166)(H,141,172)(H,142,171)(H,143,175)(H,144,176)(H,145,169)(H,156,157)(H4,113,114,119)(H4,115,116,120)(H4,117,118,121)/t53-,54+,57-,58-,59-,60-,61-,62-,63-,64-,65-,66-,67-,68?,69?,70-,71-,72-,73-,74-,75-,82-/m0/s1

SMILES string

CSCC[C@@H]1NC(=O)[C@@H](NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@@H]2CSSC[C@@H]3NC(=O)[C@H](CO)NC(=O)CNC(=O)[C@H](CO)NC(=O)[C@H](CSSC[C@H](N)C(=O)N[C@@H](CCCCN)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)NCC(=O)N[C@@H](C)C(=O)N4CCC[C@H]4C(=O)N2)NC(=O)[C@H](CSSC[C@H](NC(=O)[C@H](CCCCN)NC(=O)CNC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CCCNC(N)=N)NC(=O)CNC3=O)C(N)=O)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](Cc5ccc(O)cc5)NC1=O)[C@@H](C)O

InChI key

FHVUTHWUIUXZBY-BRYRKPJSSA-N

assay

≥95% (HPLC)

form

powder

composition

Peptide content, ~65%

storage temp.

−20°C

Quality Level

200

Biochem/physiol Actions

Inhibits Ca2+ channels resistant to ω-Conotoxin GVIA; blocks hippocampal excitatory post-synaptic potential (EPSPs) suggesting an interaction with Q-type voltage-sensitive Ca2+ channels (VSCC); originally isolated from marine snail Conus geographus.
Inhibits Ca2+ channels resistant to ω-Conotoxin GVIA.

Other Notes

Lyophilized from 0.1% TFA in H2O

Legal Information

Sold under license from Cognetix for research purposes only; subject to US patent no. 5,591,821

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
117M4762V
23170501
074M4830V
123M4759V
113M4776V

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Chung-Hung Shih et al.
Naunyn-Schmiedeberg's archives of pharmacology, 382(5-6), 419-432 (2010-09-08)
The Ca(2+) channel subtypes in the neurotransmission of isolated guinea pig trachea were elucidated by monitoring the effects of specific Ca(2+) channel blockers on cholinergic contractions and nonadrenergic noncholinergic (NANC) relaxation elicited by electrical field stimulation (EFS). In isolated guinea
Mu-Feng Li et al.
Toxicon : official journal of the International Society on Toxinology, 45(1), 53-60 (2004-12-08)
Toosendanin is a triterpenoid derivative extracted from Melia toosendan Sieb et Zucc. Previous studies demonstrated that toosendanin could block neurotransmission and stimulate PC12 cell into differentiation and apoptosis. These actions of toosendanin were suggested to result from a continuous increase
Sarah K Ryan et al.
Developmental neurobiology, 67(2), 173-188 (2007-04-20)
In larval lamprey, descending brain neurons, which regenerate their axons following spinal cord injury, were isolated and examined in cell culture to identify some of the factors that regulate neurite outgrowth. Focal application of 5 mM or 25 mM L-glutamate
P T Ellinor et al.
Nature, 363(6428), 455-458 (1993-06-03)
Diverse types of calcium channels in vertebrate neurons are important in linking electrical activity to transmitter release, gene expression and modulation of membrane excitability. Four classes of Ca2+ channels (T, N, L and P-type) have been distinguished on the basis
Ana Cristina do Nascimento Pinheiro et al.
Hippocampus, 19(11), 1123-1129 (2009-04-17)
The aim of this study was to investigate the effect of spider toxins on brain injury induced by oxygen deprivation and low glucose (ODLG) insult on slices of rat hippocampus. After ODLG insult cell viabilility in hippocampal slices was assessed
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