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α-Conotoxin MII

An effective and selective competitive antagonist for α3β2 subunit-containing nicotinic receptors (IC50 = 0.5 - 3.5 nM at α3β2 expressed in Xenopus oocytes), and also potently blocks β3-containing neuronal nicotinic receptors.

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CAT#	R0920
CAS	175735-93-0
M.F/Formula	C67H103N23O22S4
M.W/Mr.	1710.99
Sequence	GCCSNPVCHLEHSNLC-NH2(Disulfide bridge between Cys2 and Cys8, Cys3 and Cys16)
Labeling Target	α3β2 subunit-containing nicotinic receptor
Activity	Antagonist

CAT#	Product Name	Inquiry
R1675	Shepherdin 79-87	Inquiry
R1528	N-Boc-Phe-Leu-Phe-Leu-Phe	Inquiry
R1809	MTP-131; RX-31; SS-31 Elamipretide	Inquiry
R1447	Influenza HA 126-138	Inquiry
R1476	Laminin 925-933	Inquiry

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Storage	-20°C
Long-term Storage Conditions	-20 °C
InChI	InChI=1S/C67H103N23O22S4/c1-29(2)12-35-55(100)77-34(9-10-51(96)97)54(99)80-38(15-33-20-73-28-75-33)58(103)84-41(21-91)60(105)82-39(16-48(69)93)59(104)79-36(13-30(3)4)56(101)86-43(53(71)98)23-113-115-25-45-64(109)85-42(22-92)61(106)83-40(17-49(70)94)67(112)90-11-7-8-47(90)65(110)89-52(31(5)6)66(111)88-46(26-116-114-24-44(62(107)87-45)76-50(95)18-68)63(108)81-37(57(102)78-35)14-32-19-72-27-74-32/h19-20,27-31,34-47,52,91-92H,7-18,21-26,68H2,1-6H3,(H2,69,93)(H2,70,94)(H2,71,98)(H,72,74)(H,73,75)(H,76,95)(H,77,100)(H,78,102)(H,79,104)(H,80,99)(H,81,108)(H,82,105)(H,83,106)(H,84,103)(H,85,109)(H,86,101)(H,87,107)(H,88,111)(H,89,110)(H,96,97)/t34-,35-,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-,47-,52-/m0/s1
InChI Key	DUQYFGMBLOPGBY-XCQLYXDWSA-N
Isomeric SMILES	CC(C)C[C@H]1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@H]2C(=O)N[C@H](C(=O)N[C@H](C(=O)N3CCC[C@H]3C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N2)NC(=O)CN)C(=O)N[C@H](C(=O)N1)CC4=CNC=N4)C(C)C)CC(=O)N)CO)C(=O)N)CC(C)C)CC(=O)N)CO)CC5=CNC=N5)CCC(=O)O
BoilingPoint	N/A
Melting Point	N/A