Structure of PDB 1qrq Chain B Binding Site BS01

Receptor Information
>1qrq Chain B (length=325) Species: 10116 (Rattus norvegicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LQFYRNLGKSGLRVSCLGLGTWVTFGGQITDEMAEHLMTLAYDNGINLFD
TAEVYAAGKAEVVLGNIIKKKGWRRSSLVITTKIFWGGKAETERGLSRKH
IIEGLKASLERLQLEYVDVVFANRPDPNTPMEETVRAMTHVINQGMAMYW
GTSRWSSMEIMEAYSVARQFNLIPPICEQAEYHMFQREKVEVQLPELFHK
IGVGAMTWSPLACGIVSGKYDSGIPPYSRASLKGYQWLKDKILSEEGRRQ
QAKLKELQAIAERLGCTLPQLAIAWCLRNEGVSSVLLGASNAEQLMENIG
AIQVLPKLSSSIVHEIDSILGNKPY
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 chain1qrq Chain B Residue 1001 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1qrq Structure of a voltage-dependent K+ channel beta subunit.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		G55 W57 Q63 D85 K118 S188 R189 Q214 W243 S244 P245 L246 C248 G249 K254 I259 Y262 S263 R264 L321 G323 S325 Q329 E332 N333
Binding residue
(residue number reindexed from 1)		G20 W22 Q28 D50 K83 S153 R154 Q179 W208 S209 P210 L211 C213 G214 K219 I224 Y227 S228 R229 L286 G288 S290 Q294 E297 N298
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
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Biological Process
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Cellular Component
External links
PDB RCSB:1qrq, PDBe:1qrq, PDBj:1qrq
PDBsum1qrq
PubMed10399921
UniProtP62483|KCAB2_RAT Voltage-gated potassium channel subunit beta-2 (Gene Name=Kcnab2)

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