Structure of PDB 4o28 Chain B Binding Site BS01

Receptor Information
>4o28 Chain B (length=464) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EFNILLATDSYKVTHYKQYPPNTSKVYSYFECREKKYEETVFYGLQYILN
KYLKGKVVTKEKIQEAKDVYKEHFQDDVFNEKGWNYILEKYDGHLPIEIK
AVPEGFVIPRGNVLFTVENTDPECYWLTNWIETILVQSWYPITVATNFRE
QKKILAKYLLETSGNLDGLEYKLHDFGYRGVSSQETAGIGASAHLVNFKG
TDTVAGLALIKKYYGTKDPVPGYSVPAAEHSTITAWGKDHEKDAFEHIVT
QFSSVPVSVVSDSYDIYNACEKIWGEDLRHLIVSRSTQAPLIIRPDSGNP
LDTVLKVLEILGKKFPVTENSKGYKLLPPYLRVIQGDGVDINTLQEIVEG
MKQKMWSIENIAFGSKLTRDLLNCSFKCSYVVTNGLGINVFKDPVADPNK
RSKKGRLSLHRTPAGNFVTLEEGKGDLEEYGQDLLHTVFKNGKVTKSYSF
DEIRKNAQLNIELE
Ligand information
Ligand ID1QS
InChIInChI=1S/C21H15F2N3O3S/c22-16-9-17(23)11-19(10-16)30(28,29)18-4-1-14(2-5-18)12-25-21(27)15-3-6-20-24-7-8-26(20)13-15/h1-11,13H,12H2,(H,25,27)
InChIKeyXRDVXQQZLHVEQZ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6c1cc(ccc1CNC(=O)c2ccc3nccn3c2)S(=O)(=O)c4cc(cc(c4)F)F
CACTVS 3.370Fc1cc(F)cc(c1)[S](=O)(=O)c2ccc(CNC(=O)c3ccc4nccn4c3)cc2
ACDLabs 12.01Fc1cc(cc(F)c1)S(=O)(=O)c2ccc(cc2)CNC(=O)c3ccc4nccn4c3
FormulaC21 H15 F2 N3 O3 S
NameN-{4-[(3,5-difluorophenyl)sulfonyl]benzyl}imidazo[1,2-a]pyridine-6-carboxamide
ChEMBLCHEMBL2420629
DrugBank
ZINCZINC000095920765
PDB chain4o28 Chain A 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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PDB4o28 Structural Basis for Resistance to Diverse Classes of NAMPT Inhibitors.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		D16 Y18
Binding residue
(residue number reindexed from 1)		D9 Y11
Annotation score1
Binding affinityMOAD: ic50=0.029uM
PDBbind-CN: -logKd/Ki=7.54,IC50=29nM
BindingDB: IC50=5.0nM,EC50=1.1nM
Enzymatic activity
Enzyme Commision number 2.4.2.12: nicotinamide phosphoribosyltransferase.
Gene Ontology
Molecular Function
GO:0005125 cytokine activity
GO:0005515 protein binding
GO:0016757 glycosyltransferase activity
GO:0042802 identical protein binding
GO:0047280 nicotinamide phosphoribosyltransferase activity
Biological Process
GO:0007165 signal transduction
GO:0007267 cell-cell signaling
GO:0007623 circadian rhythm
GO:0008284 positive regulation of cell population proliferation
GO:0008286 insulin receptor signaling pathway
GO:0009435 NAD biosynthetic process
GO:0019363 pyridine nucleotide biosynthetic process
GO:0032922 circadian regulation of gene expression
GO:0034356 NAD biosynthesis via nicotinamide riboside salvage pathway
GO:0045944 positive regulation of transcription by RNA polymerase II
GO:0048511 rhythmic process
GO:0051770 positive regulation of nitric-oxide synthase biosynthetic process
GO:0060612 adipose tissue development
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0016607 nuclear speck
GO:0030054 cell junction
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4o28, PDBe:4o28, PDBj:4o28
PDBsum4o28
PubMed25285661
UniProtP43490|NAMPT_HUMAN Nicotinamide phosphoribosyltransferase (Gene Name=NAMPT)

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