Structure of PDB 2a4q Chain A Binding Site BS04

Receptor Information
>2a4q Chain A (length=181) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
APITAYAQQTRGLLGCIITSLTGRDKNQVEGEVQIVSTATQTFLATCING
VCWTVYHGAGTRTIASPKGPVIQMYTNVDQDLVGWPAPQGSRSLTPCTCG
SSDLYLVTRHADVIPVRRRGDSRGSLLSPRPISYLKGSSGGPLLCPAGHA
VGLFRAAVCTRGVAKAVDFIPVENLETTMRS
Ligand information
Ligand IDFNH
InChIInChI=1S/C41H55N5O8/c1-2-15-31(37(49)40(52)42-26-34(48)46-36(41(53)54)30-21-11-7-12-22-30)43-38(50)32-25-28-18-14-17-27(24-28)16-8-4-3-5-13-23-33(47)45-35(39(51)44-32)29-19-9-6-10-20-29/h7,11-12,14,17-18,21-22,24,29,31-32,35-36H,2-6,8-10,13,15-16,19-20,23,25-26H2,1H3,(H,42,52)(H,43,50)(H,44,51)(H,45,47)(H,46,48)(H,53,54)/t31-,32-,35-,36+/m0/s1
InChIKeyMRGBFMHIJSOQIX-IMJQVECRSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CCCC(C(=O)C(=O)NCC(=O)NC(c1ccccc1)C(=O)O)NC(=O)C2Cc3cccc(c3)CCCCCCCC(=O)NC(C(=O)N2)C4CCCCC4
OpenEye OEToolkits 1.5.0CCC[C@@H](C(=O)C(=O)NCC(=O)N[C@H](c1ccccc1)C(=O)O)NC(=O)[C@@H]2Cc3cccc(c3)CCCCCCCC(=O)N[C@H](C(=O)N2)C4CCCCC4
CACTVS 3.341CCC[CH](NC(=O)[CH]1Cc2cccc(CCCCCCCC(=O)N[CH](C3CCCCC3)C(=O)N1)c2)C(=O)C(=O)NCC(=O)N[CH](C(O)=O)c4ccccc4
CACTVS 3.341CCC[C@H](NC(=O)[C@@H]1Cc2cccc(CCCCCCCC(=O)N[C@@H](C3CCCCC3)C(=O)N1)c2)C(=O)C(=O)NCC(=O)N[C@@H](C(O)=O)c4ccccc4
ACDLabs 10.04O=C(O)C(c1ccccc1)NC(=O)CNC(=O)C(=O)C(NC(=O)C3NC(=O)C(NC(=O)CCCCCCCc2cccc(c2)C3)C4CCCCC4)CCC
FormulaC41 H55 N5 O8
Name(2R)-({N-[(3S)-3-({[(3S,6S)-6-CYCLOHEXYL-5,8-DIOXO-4,7-DIAZABICYCLO[14.3.1]ICOSA-1(20),16,18-TRIEN-3-YL]CARBONYL}AMINO)-2-OXOHEXANOYL]GLYCYL}AMINO)(PHENYL)ACETIC ACID
ChEMBL
DrugBank
ZINCZINC000058633216
PDB chain2a4q Chain A Residue 401 [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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PDB2a4q Synthesis and Biological Activity of Macrocyclic Inhibitors of Hepatitis C Virus (HCV) NS3 Protease
Resolution2.45 Å
Binding residue
(original residue number in PDB)		Q41 T42 H57 K136 G137 S139 R155 A156 A157 C159 D168
Binding residue
(residue number reindexed from 1)		Q41 T42 H57 K136 G137 S139 R155 A156 A157 C159 D168
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=7.18,Ki=0.066uM
Enzymatic activity
Catalytic site (original residue number in PDB) H57 D81 G137 S139
Catalytic site (residue number reindexed from 1) H57 D81 G137 S139
Enzyme Commision number 3.6.4.13: RNA helicase.
Gene Ontology
Molecular Function
GO:0008233 peptidase activity
GO:0008236 serine-type peptidase activity
GO:0046872 metal ion binding
Biological Process
GO:0006508 proteolysis
GO:0019062 virion attachment to host cell
GO:0019087 transformation of host cell by virus
GO:0046718 symbiont entry into host cell
GO:0097264 self proteolysis
Cellular Component
GO:0016020 membrane
GO:0033644 host cell membrane
GO:0044423 virion component

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2a4q, PDBe:2a4q, PDBj:2a4q
PDBsum2a4q
PubMed16112859
UniProtQ91RS4

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