Structure of PDB 4xh6 Chain A Binding Site BS01

Receptor Information
>4xh6 Chain A (length=273) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PLESQYQVGPLLGSGGFGSVYSGIRVSDNLPVAIKHVEKDRISDWGELPN
GTRVPMEVVLLKKVSSGFSGVIRLLDWFERPDSFVLILERPEPVQDLFDF
ITERGALQEELARSFFWQVLEAVRHCHNCGVLHRDIKDENILIDLNRGEL
KLIDFGSGALLKDTVYTDFDGTRVYSPPEWIRYHRYHGRSAAVWSLGILL
YDMVCGDIPFEHDEEIIRGQVFFRQRVSSECQHLIRWCLALRPSDRPTFE
EIQNHPWMQDVLLPQETAEIHLH
Ligand information
Ligand IDHUL
InChIInChI=1S/C16H12O6/c1-21-16-11(19)7-13-14(15(16)20)10(18)6-12(22-13)8-2-4-9(17)5-3-8/h2-7,17,19-20H,1H3
InChIKeyIHFBPDAQLQOCBX-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.9.2COc1c(cc2c(c1O)C(=O)C=C(O2)c3ccc(cc3)O)O
ACDLabs 12.01O=C1c3c(O)c(OC)c(O)cc3OC(=C1)c2ccc(O)cc2
CACTVS 3.385COc1c(O)cc2OC(=CC(=O)c2c1O)c3ccc(O)cc3
FormulaC16 H12 O6
Name5,7-dihydroxy-2-(4-hydroxyphenyl)-6-methoxy-4H-chromen-4-one;
Hispidulin
ChEMBLCHEMBL293776
DrugBankDB14008
ZINCZINC000005732241
PDB chain4xh6 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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PDB4xh6 Total Synthesis of Hispidulin and the Structural Basis for Its Inhibition of Proto-oncogene Kinase Pim-1
Resolution2.04 Å
Binding residue
(original residue number in PDB)		L44 A65 K67 I104 L120 I185 D186
Binding residue
(residue number reindexed from 1)		L12 A33 K35 I72 L88 I153 D154
Annotation score1
Binding affinityMOAD: ic50=2.71uM
PDBbind-CN: -logKd/Ki=5.57,IC50=2.71uM
BindingDB: IC50=2710nM
Enzymatic activity
Catalytic site (original residue number in PDB) D167 K169 N172 D186 L193 T204
Catalytic site (residue number reindexed from 1) D135 K137 N140 D154 L161 T172
Enzyme Commision number 2.7.11.1: non-specific serine/threonine protein kinase.
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004674 protein serine/threonine kinase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0008134 transcription factor binding
GO:0030145 manganese ion binding
GO:0043024 ribosomal small subunit binding
GO:0044024 histone H2AS1 kinase activity
GO:0046872 metal ion binding
GO:0106310 protein serine kinase activity
Biological Process
GO:0006338 chromatin remodeling
GO:0006468 protein phosphorylation
GO:0006915 apoptotic process
GO:0016310 phosphorylation
GO:0022898 regulation of transmembrane transporter activity
GO:0043066 negative regulation of apoptotic process
GO:0043433 negative regulation of DNA-binding transcription factor activity
GO:0045824 negative regulation of innate immune response
GO:0045893 positive regulation of DNA-templated transcription
GO:0046777 protein autophosphorylation
GO:0050821 protein stabilization
GO:0060045 positive regulation of cardiac muscle cell proliferation
GO:0070561 vitamin D receptor signaling pathway
GO:0071346 cellular response to type II interferon
GO:0090336 positive regulation of brown fat cell differentiation
GO:1902033 regulation of hematopoietic stem cell proliferation
GO:1904263 positive regulation of TORC1 signaling
GO:1905062 positive regulation of cardioblast proliferation
GO:1990748 cellular detoxification
Cellular Component
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005730 nucleolus
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005886 plasma membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4xh6, PDBe:4xh6, PDBj:4xh6
PDBsum4xh6
PubMed26275107
UniProtP11309|PIM1_HUMAN Serine/threonine-protein kinase pim-1 (Gene Name=PIM1)

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