Structure of PDB 4mxx Chain B Binding Site BS01

Receptor Information
>4mxx Chain B (length=260) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DAWEIPRESLRLEVKLGQGCFGEVWMGTWNGTTRVAIKTLKPGTMSPEAF
LQEAQVMKKLRHEKLVQLYAVVSEEPIYIVTEYMSKGSLLDFLKGETGKY
LRLPQLVDMAAQIASGMAYVERMNYVHRDLRAANILVGENLVCKVTDFGL
FPIKWTAPEAALYGRFTIKSDVWSFGILLTELTTKGRVPYPGMVNREVLD
QVERGYRMPCPPECPESLHDLMCQCWRKEPEERPTFEYLQAFLEDYFTST
EPQYQPGENL
Ligand information
Ligand IDDB8
InChIInChI=1S/C26H29Cl2N5O3/c1-32-6-8-33(9-7-32)5-4-10-36-25-13-21-18(11-24(25)35-3)26(17(15-29)16-30-21)31-22-14-23(34-2)20(28)12-19(22)27/h11-14,16H,4-10H2,1-3H3,(H,30,31)
InChIKeyUBPYILGKFZZVDX-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.370COc1cc(Nc2c(cnc3cc(OCCCN4CCN(C)CC4)c(OC)cc23)C#N)c(Cl)cc1Cl
OpenEye OEToolkits 1.7.2CN1CCN(CC1)CCCOc2cc3c(cc2OC)c(c(cn3)C#N)Nc4cc(c(cc4Cl)Cl)OC
ACDLabs 12.01Clc1c(OC)cc(c(Cl)c1)Nc4c(C#N)cnc3cc(OCCCN2CCN(CC2)C)c(OC)cc34
FormulaC26 H29 Cl2 N5 O3
Name4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methylpiperazin-1-yl)propoxy]quinoline-3-carbonitrile;
Bosutinib
ChEMBLCHEMBL288441
DrugBankDB06616
ZINCZINC000022448983
PDB chain4mxx Chain B Residue 601 [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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PDB4mxx A conserved water-mediated hydrogen bond network defines bosutinib's kinase selectivity.
Resolution2.6 Å
Binding residue
(original residue number in PDB)		L273 A293 I294 K295 T338 Y340 M341 S342 G344 L393 F405
Binding residue
(residue number reindexed from 1)		L16 A36 I37 K38 T81 Y83 M84 S85 G87 L136 F148
Annotation score1
Binding affinityBindingDB: IC50=3.8nM,Kd=1nM
Enzymatic activity
Catalytic site (original residue number in PDB) D386 R388 A390 N391 D404 F424
Catalytic site (residue number reindexed from 1) D129 R131 A133 N134 D147 F151
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:4mxx, PDBe:4mxx, PDBj:4mxx
PDBsum4mxx
PubMed24292070
UniProtP12931|SRC_HUMAN Proto-oncogene tyrosine-protein kinase Src (Gene Name=SRC)

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