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α-Conotoxin EI

α-Conotoxin EI is a selective antagonist of neuromuscular nicotinic receptors α1β1γδ.

Designed for biological research and industrial applications, not intended for individual clinical or medical purposes.

CAT No: R1005

CAS No:170663-33-9

Custom Peptide Synthesis
cGMP Peptide
  • Registration of APIs
  • CMC information required for an IND
  • IND and NDA support
  • Drug master files (DMF) filing
M.F/Formula
C83H125N27O27S5
M.W/Mr.
2093.4
Sequence
Arg-Asp-Hyp-Cys-Cys-Tyr-His-Pro-Thr-Cys-Asn-Met-Ser-Asn-Pro-Gln-Ile-Cys-NH2(Cys4-Cys10, Cys5-Cys18)
Labeling Target
Neuromuscular nicotinic receptors α1β1γδ
Appearance
White lyophilised solid
Purity
>96%
Activity
Antagonist
Source#
Synthetic
InChI
InChI=1S/C83H125N27O27S5/c1-5-37(2)63-78(133)102-52(65(88)120)32-139-140-33-53-72(127)96-46(23-39-12-14-41(113)15-13-39)69(124)99-48(24-40-29-91-36-93-40)80(135)109-21-8-11-57(109)76(131)107-64(38(3)112)79(134)105-55(35-142-141-34-54(74(129)103-53)104-77(132)58-25-42(114)30-110(58)82(137)50(28-62(118)119)98-66(121)43(84)9-6-19-92-83(89)90)73(128)97-47(26-60(86)116)70(125)94-45(18-22-138-4)67(122)101-51(31-111)71(126)100-49(27-61(87)117)81(136)108-20-7-10-56(108)75(130)95-44(68(123)106-63)16-17-59(85)115/h12-15,29,36-38,42-58,63-64,111-114H,5-11,16-28,30-35,84H2,1-4H3,(H2,85,115)(H2,86,116)(H2,87,117)(H2,88,120)(H,91,93)(H,94,125)(H,95,130)(H,96,127)(H,97,128)(H,98,121)(H,99,124)(H,100,126)(H,101,122)(H,102,133)(H,103,129)(H,104,132)(H,105,134)(H,106,123)(H,107,131)(H,118,119)(H4,89,90,92)/t37-,38+,42+,43-,44-,45-,46-,47-,48-,49-,50-,51-,52-,53-,54-,55-,56-,57-,58-,63-,64-/m0/s1
InChI Key
ZUOKYBVKCMQKIN-MLWUHNSQSA-N
Isomeric SMILES
CC[C@H](C)[C@H]1C(=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)[C@@H]4C[C@H](CN4C(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCCNC(=N)N)N)O)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N5CCC[C@H]5C(=O)N[C@H](C(=O)N1)CCC(=O)N)CC(=O)N)CO)CCSC)CC(=O)N)[C@@H](C)O)CC6=CNC=N6)CC7=CC=C(C=C7)O)C(=O)N
BoilingPoint
N/A
Melting Point
N/A

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