Structure of PDB 8apx Chain I Binding Site BS01

Receptor Information

>8apx Chain I (length=440) Species: 371094 (Chikungunya virus strain S27-African prototype)

PVYVDIDADSAFLKALQRAYPMFEVEPRQVTPNDHANARAFSHLAIKLIE
QEIDPDSTILDIGSAPARRMMSDRKYHCVCPMRSAEDPERLANYARKLAS
AAGKVLDRNISGKIGDLQAVMAVPDTETPTFCLHTDVSCRQRADVAIYQD
VYAVHAPTSLYHQAIKGVRLAYWVGFDTTPFMYNAMAGAYPSYSTNWADE
QVLKAKNIGLCSTDLTEGRRGKLSIMRGKKLEPCDRVLFSVGSTLYPESR
KLLKSWHLPSVFHLKGKLSFTCRCDTVVSCEGYVVKRITMSPGLYGKTTG
YAVTHHADGFLMCKTTDTVDGERVSFSVCTYVPATICDQMTGILATEVTP
EDAQKLLVGLNQTNTMKNYMIPVVAQAFSKWAKECRKDMEDEKLLGVRER
TAFKKQKTHTVYKRPDTQSIQKVQAEFDSFLSIPLRTRIK

Ligand information

• Ligand ID: ZN
• InChI: InChI=1S/Zn/q+2
• InChIKey: PTFCDOFLOPIGGS-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Zn++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Zn+2]
• Formula: Zn
• Name: ZINC ION
• ChEMBL: CHEMBL1236970
• DrugBank: DB14532
• PDB chain: 8apx Chain I Residue 1001

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8apx Structural basis and dynamics of Chikungunya alphavirus RNA capping by nsP1 capping pores.
• Resolution: 3.2 Å
• Binding residue (original residue number in PDB): H79 C134
• Binding residue (residue number reindexed from 1): H77 C132
• Annotation score: 1

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

External links

• PDB: RCSB:8apx, PDBe:8apx, PDBj:8apx
• PDBsum: 8apx
• PubMed: 36913573
• UniProt: Q8JUX6|POLN_CHIKS Polyprotein P1234