Structure of PDB 6xe4 Chain A Binding Site BS01

Receptor Information
>6xe4 Chain A (length=264) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
WEIDPKDLTFLKELGTGQFGVVKYGKWRGQYDVAIKMIKEGSMSEDEFIE
EAKVMMNLSHEKLVQLYGVCTKQRPIFIITEYMANGCLLNYLREMRHRFQ
TQQLLEMCKDVCEAMEYLESKQFLHRDLAARNCLVNDQGVVKVSDFGLSR
YVLDDEYTSSVGSKFPVRWSPPEVLMYSKFSSKSDIWAFGVLMWEIYSLG
KMPYERFTNSETAEHIAQGLRLYRPHLASEKVYTIMYSCWHEKADERPTF
KILLSNILDVMDEN
Ligand information
Ligand IDV1G
InChIInChI=1S/C28H27F2N5O4/c1-28(2,3)16-7-14-11-32-35(27(39)23(14)21(30)9-16)24-19(13-36)17(5-6-31-24)15-8-22(26(38)34(4)12-15)33-25(37)18-10-20(18)29/h5-9,11-12,18,20,36H,10,13H2,1-4H3,(H,33,37)/t18-,20+/m1/s1
InChIKeySEGFWFQHVPYNMS-QUCCMNQESA-N
SMILES
SoftwareSMILES
CACTVS 3.385CN1C=C(C=C(NC(=O)[CH]2C[CH]2F)C1=O)c3ccnc(N4N=Cc5cc(cc(F)c5C4=O)C(C)(C)C)c3CO
OpenEye OEToolkits 2.0.7CC(C)(C)c1cc2c(c(c1)F)C(=O)N(N=C2)c3c(c(ccn3)C4=CN(C(=O)C(=C4)NC(=O)C5CC5F)C)CO
CACTVS 3.385CN1C=C(C=C(NC(=O)[C@@H]2C[C@@H]2F)C1=O)c3ccnc(N4N=Cc5cc(cc(F)c5C4=O)C(C)(C)C)c3CO
ACDLabs 12.01CC(c4cc(F)c5C(=O)N(c3c(c(C=2C=C(NC(=O)C1C(C1)F)C(=O)N(C=2)C)ccn3)CO)N=Cc5c4)(C)C
OpenEye OEToolkits 2.0.7CC(C)(C)c1cc2c(c(c1)F)C(=O)N(N=C2)c3c(c(ccn3)C4=CN(C(=O)C(=C4)NC(=O)[C@@H]5C[C@@H]5F)C)CO
FormulaC28 H27 F2 N5 O4
Name(1S,2S)-N-[2'-(6-tert-butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)-3'-(hydroxymethyl)-1-methyl-6-oxo[1,6-dihydro[3,4'-bipyridine]]-5-yl]-2-fluorocyclopropane-1-carboxamide
ChEMBLCHEMBL4634904
DrugBank
ZINC
PDB chain6xe4 Chain A Residue 701 [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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PDB6xe4 Stereochemical Differences in Fluorocyclopropyl Amides Enable Tuning of Btk Inhibition and Off-Target Activity.
Resolution1.6 Å
Binding residue
(original residue number in PDB)		L408 G411 F413 V416 K430 Y476 M477 A478 G480 L528 D539 S543 Y551
Binding residue
(residue number reindexed from 1)		L14 G17 F19 V22 K36 Y82 M83 A84 G86 L134 D145 S149 Y157
Annotation score1
Binding affinityMOAD: ic50=2.4nM
BindingDB: IC50=2.4nM
Enzymatic activity
Catalytic site (original residue number in PDB) D521 R525 N526 D539
Catalytic site (residue number reindexed from 1) D127 R131 N132 D145
Enzyme Commision number 2.7.10.2: non-specific protein-tyrosine kinase.
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004713 protein tyrosine kinase activity
GO:0005524 ATP binding
Biological Process
GO:0006468 protein phosphorylation

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:6xe4, PDBe:6xe4, PDBj:6xe4
PDBsum6xe4
PubMed32832028
UniProtQ06187|BTK_HUMAN Tyrosine-protein kinase BTK (Gene Name=BTK)

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