Structure of PDB 3eb4 Chain A Binding Site BS01

Receptor Information
>3eb4 Chain A (length=327) Species: 10116 (Rattus norvegicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MLQFYRNLGKSGLRVSCLGLGTWVTFGGQITDEMAEHLMTLAYDNGINLF
DTAEVYAAGKAEVVLGNIIKKKGWRRSSLVITTKIFWGGKAETERGLSRK
HIIEGLKASLERLQLEYVDVVFANRPDPNTPMEETVRAMTHVINQGMAMY
WGTSRWSSMEIMEAYSVARQFNLIPPRCEQAEYHMFQREKVEVQLPELFH
KIGVGAMTWSPLACGIVSGKYDSGIPPYSRASLKGYQWLKDKILSEEGRR
QQAKLKELQAIAERLGCTLPQLAIAWCLRNEGVSSVLLGASNAEQLMENI
GAIQVLPKLSSSIVHEIDSILGNKPYS
Ligand information
Ligand IDNDP
InChIInChI=1S/C21H30N7O17P3/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(44-46(33,34)35)14(30)11(43-21)6-41-48(38,39)45-47(36,37)40-5-10-13(29)15(31)20(42-10)27-3-1-2-9(4-27)18(23)32/h1,3-4,7-8,10-11,13-16,20-21,29-31H,2,5-6H2,(H2,23,32)(H,36,37)(H,38,39)(H2,22,24,25)(H2,33,34,35)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyACFIXJIJDZMPPO-NNYOXOHSSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
CACTVS 3.341NC(=O)C1=CN(C=CC1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O[P](O)(O)=O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
CACTVS 3.341NC(=O)C1=CN(C=CC1)[C@@H]2O[C@H](CO[P@@](O)(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O[P](O)(O)=O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
FormulaC21 H30 N7 O17 P3
NameNADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
ChEMBLCHEMBL407009
DrugBankDB02338
ZINCZINC000008215411
PDB chain3eb4 Chain A Residue 1001 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3eb4 Cortisone dissociates the Shaker family K+ channels from their beta subunits.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		G55 W57 Q63 D85 K118 S188 Q214 W243 S244 P245 L246 A247 C248 G249 K254 R264 L321 L322 G323 S325 Q329 E332 N333
Binding residue
(residue number reindexed from 1)		G21 W23 Q29 D51 K84 S154 Q180 W209 S210 P211 L212 A213 C214 G215 K220 R230 L287 L288 G289 S291 Q295 E298 N299
Annotation score1
Enzymatic activity
Enzyme Commision number 1.1.1.-
Gene Ontology
Molecular Function
GO:0005249 voltage-gated potassium channel activity
Biological Process
GO:0006813 potassium ion transport
GO:0055085 transmembrane transport
Cellular Component
GO:0005737 cytoplasm
GO:0016020 membrane

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Molecular Function
View graph for
Biological Process
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Cellular Component
External links
PDB RCSB:3eb4, PDBe:3eb4, PDBj:3eb4
PDBsum3eb4
PubMed18806782
UniProtP62483|KCAB2_RAT Voltage-gated potassium channel subunit beta-2 (Gene Name=Kcnab2)

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