Structure of PDB 7fgi Chain C Binding Site BS03

Receptor Information
>7fgi Chain C (length=437) Species: 371094 (Chikungunya virus strain S27-African prototype) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DPVYVDIDADSAFLKALQRAYPMFEVEPRQVTPNDAANARAFSHLAIKLI
EQEIDPDSTILDIGSAPARRMMSDRKYHCVCPMRSAEDPERLANYARKLA
SAAGKVLDRNISGKIGDLQAVMAVPDTETPTFCLHTDVSCRQRADVAIYQ
DVYAVHAPTSLYHQAIKGVRLAYWVGFDTTPFMYNAMAGAYPSYSTNWAD
EQVLKAKNIGLCSTDLTEGKLEPCDRVLFSVGSTLYPESRKLLKSWHLPS
VFHLKGKLSFTCRCDTVVSCEGYVVKRITMSPGLYGKTTGYAVTHHADGF
LMCKTTDTVDGERVSFSVCTYVPATICDQMTGILATEVTPEDAQKLLVGL
NNTMKNYMIPVVAQAFSKWAKECRKDMEDEKLLGVRERTWAFKKQKTHTV
YKRPDTQSIQKVQAEFDSFWSSGLSIPLRTRIKWLLS
Ligand information
Ligand IDGTA
InChIInChI=1S/C21H29N10O17P3/c1-29-6-31(17-10(29)18(36)28-21(23)27-17)20-14(35)12(33)8(46-20)3-44-50(39,40)48-51(41,42)47-49(37,38)43-2-7-11(32)13(34)19(45-7)30-5-26-9-15(22)24-4-25-16(9)30/h4-8,11-14,19-20,32-35H,2-3H2,1H3,(H7-,22,23,24,25,27,28,36,37,38,39,40,41,42)/p+1/t7-,8-,11-,12-,13-,14-,19-,20-/m1/s1
InChIKeyQQOHNVHGNZYSBP-XPWFQUROSA-O
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C[n+]1cn(c2c1C(=O)NC(=N2)N)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N)O)O)O)O
OpenEye OEToolkits 1.5.0C[n+]1cn(c2c1C(=O)NC(=N2)N)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@@](=O)(O)O[P@@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)O)O)O)O
CACTVS 3.341C[n+]1cn([C@@H]2O[C@H](CO[P@](O)(=O)O[P@](O)(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O)c6N=C(N)NC(=O)c16
CACTVS 3.341C[n+]1cn([CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O)c6N=C(N)NC(=O)c16
ACDLabs 10.04O=C1NC(=Nc2c1[n+](cn2C3OC(C(O)C3O)COP(=O)(O)OP(=O)(O)OP(=O)(O)OCC6OC(n5cnc4c(ncnc45)N)C(O)C6O)C)N
FormulaC21 H30 N10 O17 P3
NameP1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE;
7-METHYL-GPPPA
ChEMBL
DrugBankDB01649
ZINCZINC000096006025
PDB chain7fgi Chain C Residue 1003 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7fgi Molecular basis of specific viral RNA recognition and 5'-end capping by the Chikungunya virus nsP1.
Resolution2.51 Å
Binding residue
(original residue number in PDB)
N35 R41 Y154 Y248 E250
Binding residue
(residue number reindexed from 1)
N34 R40 Y153 Y236 E238
Annotation score3
Enzymatic activity
Enzyme Commision number 2.1.1.-
2.7.7.-
2.7.7.19: polynucleotide adenylyltransferase.
2.7.7.48: RNA-directed RNA polymerase.
3.1.3.84: ADP-ribose 1''-phosphate phosphatase.
3.4.22.-
3.6.1.15: nucleoside-triphosphate phosphatase.
3.6.1.74: mRNA 5'-phosphatase.
3.6.4.13: RNA helicase.
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0008174 mRNA methyltransferase activity
Biological Process
GO:0006396 RNA processing
GO:0016556 mRNA modification

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:7fgi, PDBe:7fgi, PDBj:7fgi
PDBsum7fgi
PubMed35905713
UniProtQ8JUX6|POLN_CHIKS Polyprotein P1234

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