Structure of PDB 4qmx Chain A Binding Site BS01

Receptor Information
>4qmx Chain A (length=288) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GMQNLKADPEELFTKLEKIGKGSFGEVFKGIDNRTQKVVAIKIIDLEEAE
DEIEDIQQEITVLSQCDSPYVTKYYGSYLKDTKLWIIMEYLGGGSALDLL
EPGPLDETQIATILREILKGLDYLHSEKKIHRDIKAANVLLSEHGEVKLA
DFGVAGQLTDTQIKRNTFVGTPFWMAPEVIKQSAYDSKADIWSLGITAIE
LARGEPPHSELHPMKVLFLIPKNNPPTLEGNYSKPLKEFVEACLNKEPSF
RPTAKELLKHKFILRNAKKTSYLTELIDRYKRWKAEQS
Ligand information
Ligand IDH8H
InChIInChI=1S/C27H32ClN5O5/c1-32-6-8-33(9-7-32)10-13-35-19-14-21-24(23(15-19)38-18-4-11-34-12-5-18)27(30-16-29-21)31-25-20(28)2-3-22-26(25)37-17-36-22/h2-3,14-16,18H,4-13,17H2,1H3,(H,29,30,31)
InChIKeyOUKYUETWWIPKQR-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.385CN1CCN(CCOc2cc(OC3CCOCC3)c4c(Nc5c(Cl)ccc6OCOc56)ncnc4c2)CC1
ACDLabs 10.04Clc2ccc1OCOc1c2Nc6ncnc5c6c(OC3CCOCC3)cc(OCCN4CCN(C)CC4)c5
OpenEye OEToolkits 1.7.6CN1CCN(CC1)CCOc2cc3c(c(c2)OC4CCOCC4)c(ncn3)Nc5c(ccc6c5OCO6)Cl
FormulaC27 H32 Cl N5 O5
NameN-(5-CHLORO-1,3-BENZODIOXOL-4-YL)-7-[2-(4-METHYLPIPERAZIN-1-YL)ETHOXY]-5-(TETRAHYDRO-2H-PYRAN-4-YLOXY)QUINAZOLIN-4-AMINE;
SARACATINIB
ChEMBLCHEMBL217092
DrugBankDB11805
ZINCZINC000024811973
PDB chain4qmx Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4qmx Discovery of Diverse Small-Molecule Inhibitors of Mammalian Sterile20-like Kinase 3 (MST3).
Resolution1.882 Å
Binding residue
(original residue number in PDB)
I30 K32 A51 K53 M99 Y101 L102
Binding residue
(residue number reindexed from 1)
I19 K21 A40 K42 M88 Y90 L91
Annotation score1
Binding affinityMOAD: ic50=11uM
PDBbind-CN: -logKd/Ki=4.96,IC50=11uM
Enzymatic activity
Catalytic site (original residue number in PDB) D144 K146 A148 N149 D162 D171 T182
Catalytic site (residue number reindexed from 1) D133 K135 A137 N138 D151 D160 T171
Enzyme Commision number 2.7.11.1: non-specific serine/threonine protein kinase.
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0005524 ATP binding
Biological Process
GO:0006468 protein phosphorylation

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Molecular Function

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Biological Process
External links
PDB RCSB:4qmx, PDBe:4qmx, PDBj:4qmx
PDBsum4qmx
PubMed27135311
UniProtQ9Y6E0|STK24_HUMAN Serine/threonine-protein kinase 24 (Gene Name=STK24)

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