Structure of PDB 4i3k Chain B Binding Site BS01

Receptor Information
>4i3k Chain B (length=358) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KISGGSVVEMQGDEMTRIIWELIKEKLIFPYVELDLHSYDLGIENRDATN
DQVTKDAAEAIKKHNVGVKCATITPDEKRVEEFKLKQMWKSPNGTIRNIL
GGTVFREAIICKNIPPIIIGHHATDFVVPGPGKVEITYTPSDGTQKVTYL
VHNFEEGGGVAMGMYNQDKSIEDFAHSSFQMALSKGWPLYLSLKKYDGRF
KDIFQEIYDKQYQKIWYEHRLIDDMEGGFIWACSLGMMTSVLVCPDGKTV
EAEAAHGTVTRHYRMYQKGQETSTNPIASIFAWTRGLAHRAKLDNNKELA
FFANALEEVSIETIEAGFMTKDLAACIKGLPNVQRSDYLNTFEFMDKLGE
NLKIKLAQ
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 chain4i3k Chain B Residue 501 [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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PDB4i3k Crystallographic Investigation and Selective Inhibition of Mutant Isocitrate Dehydrogenase.
Resolution3.3056 Å
Binding residue
(original residue number in PDB)		K72 T75 I76 T77 R82 N96 H309 G310 T311 V312 R314 H315 T327 N328
Binding residue
(residue number reindexed from 1)		K69 T72 I73 T74 R79 N93 H256 G257 T258 V259 R261 H262 T274 N275
Annotation score4
Enzymatic activity
Enzyme Commision number 1.1.1.42: isocitrate dehydrogenase (NADP(+)).
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004450 isocitrate dehydrogenase (NADP+) activity
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0045296 cadherin binding
GO:0046872 metal ion binding
GO:0050661 NADP binding
GO:0051287 NAD binding
Biological Process
GO:0006097 glyoxylate cycle
GO:0006099 tricarboxylic acid cycle
GO:0006102 isocitrate metabolic process
GO:0006103 2-oxoglutarate metabolic process
GO:0006739 NADP metabolic process
GO:0006749 glutathione metabolic process
GO:0006979 response to oxidative stress
GO:0008585 female gonad development
GO:0014070 response to organic cyclic compound
GO:0048545 response to steroid hormone
GO:0060696 regulation of phospholipid catabolic process
GO:0071071 regulation of phospholipid biosynthetic process
Cellular Component
GO:0005576 extracellular region
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005777 peroxisome
GO:0005782 peroxisomal matrix
GO:0005829 cytosol
GO:0034774 secretory granule lumen
GO:0070062 extracellular exosome
GO:1904724 tertiary granule lumen
GO:1904813 ficolin-1-rich granule lumen

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:4i3k, PDBe:4i3k, PDBj:4i3k
PDBsum4i3k
PubMed23795241
UniProtO75874|IDHC_HUMAN Isocitrate dehydrogenase [NADP] cytoplasmic (Gene Name=IDH1)

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