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α-Conotoxin Im-I

Names

[ CAS No. ]:
156467-85-5

[ Name ]:
α-Conotoxin Im-I

[Synonym ]:
[(1R,4S,7S,13S,16S,19R,24R,27S,30S,33S,40R)-4,27-Bis(3-carbamimidamidopropyl)-24-carbamoyl-40-(glycylamino)-16-(hydroxymethyl)-30-(1H-indol-3-ylmethyl)-33-methyl-3,6,12,15,18,26,29,32,35,41-decaoxo-21 ;,22,37,38-tetrathia-2,5,11,14,17,25,28,31,34,42-decaazatricyclo[17.16.7.07,11]dotetracont-13-yl]acetic acid
23,6-(Iminopropanodithiomethano)-1H,22H-pyrrolo[2,1-v][1,2,5,8,11,14,17,20,23,26,29]dithianonaazacyclodotriacontine-29-acetic acid, 37-[(2-aminoacetyl)amino]-18-(aminocarbonyl)-3,15-bis[3-[(aminoiminomethyl)amino]propyl]triacontahydro-26-(hydroxymethyl)-12-(1H-indol-3-ylmethyl)-9-methyl-1,4,7,10,13,16,24,27,30,36-decaoxo-, (3S,6R,9S,12S,15S,18R,23R,26S,29S,34aS,37R)-

Biological Activity

[Description]:

α-Conotoxin Im-I is a selective α7/α9 nAChR antagonist, blocking α7 nicotinic receptors with the highest apparent affinity, while having an 8-fold lower affinity for homomeric α9 nicotinic receptors. α-Conotoxin Im-I is toxic and induces seizures in rodents. α-Conotoxin Im-I is a tool for studying neuronal nAChR[1][2].

[Related Catalog]:

Signaling Pathways >> Membrane Transporter/Ion Channel >> nAChR
Signaling Pathways >> Neuronal Signaling >> nAChR
Research Areas >> Neurological Disease

[Target]

α7/α9 nAChR[1][2].

Chemical & Physical Properties

[ Density]:
1.7±0.1 g/cm3

[ Molecular Formula ]:
C52H78N20O15S4

[ Molecular Weight ]:
1351.561

[ Exact Mass ]:
1350.483887

[ LogP ]:
-7.80

[ Index of Refraction ]:
1.770

Related Compounds