General Information of the Compound
Compound ID
CP0211850
Compound Name
Apamin
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Synonyms
08APA001
08APA001_SMARTOX
Apamin, from bee venom, &gt
Apamin, synthetic, &gt
GTPL2311
apamin
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Structure
Formula
C79H131N31O24S4
Molecular Weight
2027.378
Canonical SMILES
CC(C)C[C@@H]1NC(=O)[C@H](C)NC(=O)[C@@H](NC(=O)[C@H](CCC(O)=O)NC(=O)[C@@H]2CCCN2C(=O)[C@H](C)NC(=O)[C@H](CCCCN)NC(=O)[C@@H]2CSSC[C@H](NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](C)NC(=O)[C@H](CSSC[C@H](N)C(=O)N[C@@H](CC(N)=O)C(=O)N2)NC1=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](Cc1cnc[nH]1)C(N)=O)[C@@H](C)O
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InChI
InChI=1S/C79H131N31O24S4/c1-35(2)26-49-70(127)107-51-31-136-135-30-41(81)63(120)105-50(28-57(84)114)71(128)108-53(73(130)99-42(12-7-8-22-80)64(121)96-38(5)77(134)110-25-11-15-54(110)75(132)102-47(18-21-58(115)116)69(126)109-59(39(6)111)76(133)95-37(4)62(119)104-49)33-138-137-32-52(106-66(123)44(14-10-24-92-79(88)89)98-65(122)43(13-9-23-91-78(86)87)97-61(118)36(3)94-72(51)129)74(131)101-45(16-19-55(82)112)67(124)100-46(17-20-56(83)113)68(125)103-48(60(85)117)27-40-29-90-34-93-40/h29,34-39,41-54,59,111H,7-28,30-33,80-81H2,1-6H3,(H2,82,112)(H2,83,113)(H2,84,114)(H2,85,117)(H,90,93)(H,94,129)(H,95,133)(H,96,121)(H,97,118)(H,98,122)(H,99,130)(H,100,124)(H,101,131)(H,102,132)(H,103,125)(H,104,119)(H,105,120)(H,106,123)(H,107,127)(H,108,128)(H,109,126)(H,115,116)(H4,86,87,91)(H4,88,89,92)/t36-,37-,38-,39+,41-,42-,43-,44-,45-,46-,47-,48-,49-,50-,51-,52-,53-,54-,59-/m0/s1
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InChIKey
YVIIHEKJCKCXOB-STYWVVQQSA-N
Physicochemical Property
logP
-12.7034
Rotatable Bonds
35
Heavy Atom Count
138
Polar Areas
925.32
Hydrogen Bond Donor Count
29
Hydrogen Bond Acceptor Count
32
Complexity
138

"RO5" indicates the cutoff set by lipinski's rule of five:

(1) Molecular weight less than 500 Dalton;

(2) xlogp less than 5;

(3) No more than 5 hbonddonor (Hydrogen Bond Donor Count);

(4) No more than 10 hbondacc (Hydrogen Bond Acceptor Count);

(5) No more than 10 rotbonds (Rotatable Bond Count).

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PubChem ID
CID: 91935372
ChEMBL ID
CHEMBL525408
Map of Molecular Bioactivity Related to the Compound
Map of Molecular Bioactivity Related to the Compound

Compound
Cell Line
Protein

Bioactivity Value:

<= 0.1 μM
> 0.1 μM and <= 10 μM
> 10 μM
Imprecise Activity
Table of Molecular Bioactivities Related to the Compound
Protein ID: PT04088, Small conductance calcium-activated potassium channel protein 3
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000006 HEK293 Homo sapiens (Human)  2
1
IC50 = 0.064 nM
   TI
   LI
   LO
   TS
2
IC50 = 0.168 nM
   TI
   LI
   LO
   TS
Clinical Information about the Compound
Drug 1 ( apamin )
Drug Name apamin
Target(s)
Calcium-activated potassium channel KCa2.1 (KCNN1)
Blocker (channel blocker)
Calcium-activated potassium channel KCa2.2 (KCNN2)
Blocker (channel blocker)
Calcium-activated potassium channel KCa2.3 (KCNN3)
Blocker (channel blocker)