ISDA

Deposition Date 2015-06-09

Release Date 2015-08-19

Last Version Date 2024-01-10

Entry Detail

PDB ID:

5BY1

Keywords:

VIRAL PROTEIN

Title:

H18 Bat Influenza NS1 RNA Binding Domain

Biological Source:

Source Organism:

Influenza A virus (A/flat-faced bat/Peru/033/2010(H18N11)) (Taxon ID: 1395524)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.75 Å

R-Value Free:

0.20

R-Value Work:

0.16

R-Value Observed:

0.16

Space Group:

P 1 21 1

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Non-structural protein 1
Gene (Uniprot):NS1
Chain IDs:A, B
Chain Length:84
Number of Molecules:2
Biological Source:Influenza A virus (A/flat-faced bat/Peru/033/2010(H18N11))

UniProt ID:U5N1D7 Pfam ID:PF00600

Ligand Molecules

1PE

PEG

Primary Citation

Novel Bat Influenza Virus NS1 Proteins Bind Double-Stranded RNA and Antagonize Host Innate Immunity.

Turkington, H.L, Juozapaitis, M, Kerry, P.S, Aydillo, T, Ayllon, J, Garcia-Sastre, A, Schwemmle, M, Hale, B.G.Show

J.Virol. 89 10696 10701 (2015)

PMID: 26246567 DOI: 10.1128/JVI.01430-15

Abstact

We demonstrate that novel bat HL17NL10 and HL18NL11 influenza virus NS1 proteins are effective interferon antagonists but do not block general host gene expression. Solving the RNA-binding domain structures revealed the canonical NS1 symmetrical homodimer, and RNA binding required conserved basic residues in this domain. Interferon antagonism was strictly dependent on RNA binding, and chimeric bat influenza viruses expressing NS1s defective in this activity were highly attenuated in interferon-competent cells but not in cells unable to establish antiviral immunity.

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Primary Citation of related structures