Structure of PDB 3h59 Chain B Binding Site BS01

Receptor Information

>3h59 Chain B (length=557) Species: 11105 (Hepatitis C virus (isolate BK))

HMSYTWTGALITPCAAEESKLPINALSNSLLRHHNMVYATTSRSAGLRQK
KVTFDRLQVLDDHYRDVLKEMKAKASTVKAKLLSVEEACKLTPPHSAKSK
FGYGAKDVRNLSSKAVNHIHSVWKDLLEDTVTPIDTTIMAKNEVFCVQRK
PARLIVFPDLGVRVCEKMALYDVVSTLPQVVMGSSYGFQYSPGQRVEFLV
NTWKSKKNPMGFSYDTRCFDSTVTENDIRVEESIYQCCDLAPEARQAIKS
LTERLYIGGPLTNSKGQNCGYRRCRASGVLTTSCGNTLTCYLKASAACRA
AKLQDCTMLVNGDDLVVICESAGTQEDAASLRVFTEAMTRYSAPPGDPPQ
PEYDLELITSCSSNVSVAHDASGKRVYYLTRDPTTPLARAAWETARHTPV
NSWLGNIIMYAPTLWARMILMTHFFSILLAQEQLEKALDCQIYGACYSIE
PLDLPQIIERLHGLSAFSLHSYSPGEINRVASCLRKLGVPPLRVWRHRAR
SVRARLLSQGGRAATCGKYLFNWAVKTKLKLTPIPAASRLDLSGWFVAGY
SGGDIYH

Ligand information

• Ligand ID: H59
• InChI: InChI=1S/C26H30FN3O6S2/c1-6-26(3,4)24-23(31)22(25(32)30(24)13-16-7-9-18(27)15(2)11-16)20-14-38(35,36)21-12-17(29-37(5,33)34)8-10-19(21)28-20/h7-12,14,24,28-29,31H,6,13H2,1-5H3/t24-/m1/s1
• InChIKey: FIWSMJXHIVIUAK-XMMPIXPASA-N
• SMILES:
  CACTVS 3.341: CCC(C)(C)[C@@H]1N(Cc2ccc(F)c(C)c2)C(=O)C(=C1O)C3=C[S](=O)(=O)c4cc(N[S](C)(=O)=O)ccc4N3
  OpenEye OEToolkits 1.5.0: CCC(C)(C)C1C(=C(C(=O)N1Cc2ccc(c(c2)C)F)C3=CS(=O)(=O)c4cc(ccc4N3)NS(=O)(=O)C)O
  OpenEye OEToolkits 1.5.0: CCC(C)(C)[C@H]1C(=C(C(=O)N1Cc2ccc(c(c2)C)F)C3=CS(=O)(=O)c4cc(ccc4N3)NS(=O)(=O)C)O
  CACTVS 3.341: CCC(C)(C)[CH]1N(Cc2ccc(F)c(C)c2)C(=O)C(=C1O)C3=C[S](=O)(=O)c4cc(N[S](C)(=O)=O)ccc4N3
  ACDLabs 10.04: Fc1ccc(cc1C)CN4C(=O)C(C=3Nc2c(cc(cc2)NS(=O)(=O)C)S(=O)(=O)C=3)=C(O)C4C(C)(C)CC
• Formula: C26 H30 F N3 O6 S2
• Name: N-{3-[(5S)-5-(1,1-dimethylpropyl)-1-(4-fluoro-3-methylbenzyl)-4-hydroxy-2-oxo-2,5-dihydro-1H-pyrrol-3-yl]-1,1-dioxido-4H-1,4-benzothiazin-7-yl}methanesulfonamide
• ChEMBL: CHEMBL585383
• ZINC: ZINC000101294469
• PDB chain: 3h59 Chain B Residue 571

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3h59 Non-nucleoside inhibitors of HCV polymerase NS5B. Part 3: synthesis and optimization studies of benzothiazine-substituted tetramic acids
• Resolution: 2.1 Å
• Binding residue (original residue number in PDB): F193 P197 R200 N291 D318 C366 G410 Y415 Q446 I447 Y448 G449 S556
• Binding residue (residue number reindexed from 1): F188 P192 R195 N286 D313 C361 G405 Y410 Q441 I442 Y443 G444 S551
• Annotation score: 1

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

External links

• PDB: RCSB:3h59, PDBe:3h59, PDBj:3h59
• PDBsum: 3h59
• PubMed: 19700319
• UniProt: P26663|POLG_HCVBK Genome polyprotein