Structure of PDB 4mka Chain B Binding Site BS01

Receptor Information
>4mka Chain B (length=557) Species: 11105 (Hepatitis C virus (isolate BK)) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HMSYTWTGALITPCAAEESKLPINALSNSLLRHHNMVYATTSRSAGLRQK
KVTFDRLQVLDDHYRDVLKEMKAKASTVKAKLLSVEEACKLTPPHSAKSK
FGYGAKDVRNLSSKAVNHIHSVWKDLLEDTVTPIDTTIMAKNEVFCVQRK
PARLIVFPDLGVRVCEKMALYDVVSTLPQVVMGSSYGFQYSPGQRVEFLV
NTWKSKKNPMGFSYDTRCFDSTVTENDIRVEESIYQCCDLAPEARQAIKS
LTERLYIGGPLTNSKGQNCGYRRCRASGVLTTSCGNTLTCYLKASAACRA
AKLQDCTMLVNGDDLVVICESAGTQEDAASLRVFTEAMTRYSAPPGDPPQ
PEYDLELITSCSSNVSVAHDASGKRVYYLTRDPTTPLARAAWETARHTPV
NSWLGNIIMYAPTLWARMILMTHFFSILLAQEQLEKALDCQIYGACYSIE
PLDLPQIIERLHGLSAFSLHSYSPGEINRVASCLRKLGVPPLRVWRHRAR
SVRARLLSQGGRAATCGKYLFNWAVKTKLKLTPIPAASRLDLSGWFVAGY
SGGDIYH
Ligand information
Ligand ID2AY
InChIInChI=1S/C26H26N2O6S/c1-26(2,3)21-12-16(18-7-6-10-27-24(18)29)11-20(23(21)33-4)22-13-15-8-9-17(28-35(5,31)32)14-19(15)25(30)34-22/h6-14,28H,1-5H3,(H,27,29)
InChIKeyKFKYTAVFBQWLAZ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6CC(C)(C)c1cc(cc(c1OC)C2=Cc3ccc(cc3C(=O)O2)NS(=O)(=O)C)C4=CC=CNC4=O
CACTVS 3.385COc1c(cc(cc1C(C)(C)C)C2=CC=CNC2=O)C3=Cc4ccc(N[S](C)(=O)=O)cc4C(=O)O3
ACDLabs 12.01O=C1NC=CC=C1c4cc(C=2OC(=O)c3cc(ccc3C=2)NS(=O)(=O)C)c(OC)c(c4)C(C)(C)C
FormulaC26 H26 N2 O6 S
NameN-{3-[3-tert-butyl-2-methoxy-5-(2-oxo-1,2-dihydropyridin-3-yl)phenyl]-1-oxo-1H-isochromen-7-yl}methanesulfonamide
ChEMBLCHEMBL2431465
DrugBank
ZINCZINC000095920966
PDB chain4mka Chain B Residue 603 [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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PDB4mka Discovery of a Novel Series of Potent Non-Nucleoside Inhibitors of Hepatitis C Virus NS5B.
Resolution2.05 Å
Binding residue
(original residue number in PDB)		F193 R200 S288 N291 N316 G317 D318 D319 C366 S368 L384 G410 M414 Y415 Q446 I447 Y448 S556
Binding residue
(residue number reindexed from 1)		F188 R195 S283 N286 N311 G312 D313 D314 C361 S363 L379 G405 M409 Y410 Q441 I442 Y443 S551
Annotation score1
Binding affinityMOAD: ic50=1nM
Enzymatic activity
Enzyme Commision number 2.7.7.48: RNA-directed RNA polymerase.
3.4.21.98: hepacivirin.
3.4.22.-
3.6.1.15: nucleoside-triphosphate phosphatase.
3.6.4.13: RNA helicase.
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0003968 RNA-dependent RNA polymerase activity
Biological Process
GO:0039694 viral RNA genome replication

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4mka, PDBe:4mka, PDBj:4mka
PDBsum4mka
PubMed24069953
UniProtP26663|POLG_HCVBK Genome polyprotein

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