1R6A: Dengue virus 2'O methyltransferase

Structure of the dengue virus 2'O methyltransferase in complex with s-adenosyl homocysteine and ribavirin 5' triphosphate. Determined by X-ray diffraction at 2.6 Å resolution. Released 21 Sept 2004.

Method
X-ray diffraction
Resolution
2.6 Å
Organism
Dengue virus 2 Puerto Rico/PR159-S1/1969
Chains
1
Atoms
2,197
Mol. weight
34.53 kDa
Ligands
SAH, RVP
Released
21 Sept 2004

Explore 1R6A in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1R6A contains 12 α-helices and 9 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 12 helices, 9 β-strands

ElementResiduesLengthSheet
α-helix10-189
α-helix22-298
β-strand34-3741
α-helix39-468
α-helix58-669
β-strand75-8062
α-helix86-916
β-strand97-10372
α-helix121-1233
β-strand124-12742
α-helix132-1343
α-helix136-1394
β-strand142-14542
α-helix154-16916
β-strand177-18262
α-helix188-20114
β-strand204-20632
β-strand218-22142
α-helix228-24114
β-strand251-25441
α-helix255-2562

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Genome polyproteinAprotein295Dengue virus 2 Puerto Rico/PR159-S1/1969P12823
Sequence of entity 1 (A), FASTA
>1R6A_1 Genome polyprotein (chains A)
GSNIGETLGEKWKSRLNALGKSEFQIYKKSGIQEVDRTLAKEGIKRGETDHHAVSRGSAK
LRWFVERNLVTPEGKVVDLGCGRGGWSYYCGGLKNVREVKGLTKGGPGHEEPIPMSTYGW
NLVRLQSGVDVFFIPPERCDTLLCDIGESSPNPTVEAGRTLRVLNLVENWLSNNTQFCVK
VLNPYMPSVIEKMEALQRKHGGALVRNPLSRNSTHEMYWVSNASGNIVSSVNMISRMLIN
RFTMRHKKATYEPDVDLGSGTRNIGIESETPNLDIIGKRIEKIKQEHETSWHYDQ

Ligands and cofactors

IDNameFormulaCopies
SAHS-adenosyl-L-homocysteineC14 H20 N6 O5 S1
RVPRibavirin monophosphateC8 H13 N4 O8 P1

Water and common crystallization additives (SO4) are not listed.

Primary citation

A structural basis for the inhibition of the NS5 dengue virus mRNA 2'-O-methyltransferase domain by ribavirin 5'-triphosphate. Benarroch, D., Egloff, M.P., Mulard, L. et al. J Biol Chem (2004) 279:35638-35643. DOI 10.1074/jbc.M400460200 · PubMed

Other PDB entries of the same protein (UniProt P12823), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 1R6A directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.