Structure of PDB 1os5 Chain A

Receptor sequence
>1os5A (length=563) Species: 31647 (Hepatitis C virus subtype 1b) [Search protein sequence]
SMSYTWTGALITPCAAEESKLPINALSNSLLRHHNMVYATTSRSAGQRQK
KVTFDRLQVLDDHYRDVLKEMKAKASTVKAKLLSVEEACKLTPPHSAKSK
YGYGAKDVRNLSSRAVNHIHSVWKDLLEDTVTPIDTTIMAKNEVFCVQPE
KGGRKPARLIVFPDLGVRVCEKMALYDVVSTLPQVVMGSSYGFQYSPGQR
VEFLVNTWKSKKNPMGFSYDTRCFDSTVTENDIRVEESIYQCCDLAPEAR
QAIKSLTERLYIGGPLTNSKGQNCGYRRCRASGVLTTSCGNTLTCYLKAS
AACRAAKLQDCTMLVNGDDLVVICESAGTQEDAASLRVFTEAMTRYSAPP
GDPPQPEYDLELITSCSSNVSVAHDASGKRVYYLTRDPTTPLARAAWETA
RHTPVNSWLGNIIMYAPTLWARMILMTHFFSILLAQEQLEKALDCQIYGA
CYSIEPLDLPQIIERLHGLSAFSLHSYSPGEINRVASCLRKLGVPPLRVW
RHRARSVRARLLSQGGRAATCGKYLFNWAVKTKLKLTPIPAASQLDLSGW
FVAGYSGGDIYHS
3D structure
PDB1os5 Crystallographic identification of a noncompetitive inhibitor binding site on the hepatitis C virus NS5B RNA polymerase enzyme.
ChainA
Resolution2.2 Å
3D
structure
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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.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 NH1 A R422 M423 H475 S476 Y477 L497 W528 R422 M423 H475 S476 Y477 L497 W528 MOAD: Kd=0.14uM
PDBbind-CN: -logKd/Ki=6.85,Kd=0.14uM
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0003968 RNA-dependent RNA polymerase activity
Biological Process
GO:0039694 viral RNA genome replication

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Molecular Function
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Biological Process
External links
PDB RCSB:1os5, PDBe:1os5, PDBj:1os5
PDBsum1os5
PubMed12805457
UniProtP26663|POLG_HCVBK Genome polyprotein

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