4GEZ

Structure of a neuraminidase-like protein from A/bat/Guatemala/164/2009


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.262 
  • R-Value Work: 0.218 
  • R-Value Observed: 0.221 

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This is version 2.0 of the entry. See complete history


Literature

Crystal structures of two subtype N10 neuraminidase-like proteins from bat influenza A viruses reveal a diverged putative active site.

Zhu, X.Yang, H.Guo, Z.Yu, W.Carney, P.J.Li, Y.Chen, L.M.Paulson, J.C.Donis, R.O.Tong, S.Stevens, J.Wilson, I.A.

(2012) Proc Natl Acad Sci U S A 109: 18903-18908

  • DOI: 10.1073/pnas.1212579109
  • Primary Citation of Related Structures:  
    4GDI, 4GDJ, 4GEZ

  • PubMed Abstract: 
  • Recently, we reported a unique influenza A virus subtype H17N10 from little yellow-shouldered bats. Its neuraminidase (NA) gene encodes a protein that appears to be highly divergent from all known influenza NAs and was assigned as a new subtype N10. To provide structural and functional insights on the bat H17N10 virus, X-ray structures were determined for N10 NA proteins from influenza A viruses A/little yellow-shouldered bat/Guatemala/164/2009 (GU09-164) in two crystal forms at 1 ...

    Recently, we reported a unique influenza A virus subtype H17N10 from little yellow-shouldered bats. Its neuraminidase (NA) gene encodes a protein that appears to be highly divergent from all known influenza NAs and was assigned as a new subtype N10. To provide structural and functional insights on the bat H17N10 virus, X-ray structures were determined for N10 NA proteins from influenza A viruses A/little yellow-shouldered bat/Guatemala/164/2009 (GU09-164) in two crystal forms at 1.95 Å and 2.5 Å resolution and A/little yellow-shouldered bat/Guatemala/060/2010 (GU10-060) at 2.0 Å. The overall N10 structures are similar to each other and to other known influenza NA structures, with a single highly conserved calcium binding site in each monomer. However, the region corresponding to the highly conserved active site of influenza A N1-N9 NA subtypes and influenza B NA differs substantially. In particular, most of the amino acid residues required for NA activity are substituted, and the putative active site is much wider because of displacement of the 150-loop and 430-loop. These structural features and the fact that the recombinant N10 protein exhibits no, or extremely low, NA activity suggest that it may have a different function than the NA proteins of other influenza viruses. Accordingly, we propose that the N10 protein be termed an NA-like protein until its function is elucidated.


    Organizational Affiliation

    Department of Molecular Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Neuraminidase
A, B, C, D, E, F, G, H
A, B, C, D, E, F, G, H, I, J, K, L
378Influenza A virus (A/little yellow-shouldered bat/Guatemala/164/2009(H17N10))Mutation(s): 0 
Gene Names: NA
EC: 3.2.1.18
UniProt
Find proteins for H6QM85 (Influenza A virus)
Explore H6QM85 
Go to UniProtKB:  H6QM85
Protein Feature View
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  • Reference Sequence
Oligosaccharides

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Entity ID: 2
MoleculeChainsChain Length2D DiagramGlycosylation3D Interactions
alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranoseM, O, Q2N-Glycosylation Oligosaccharides Interaction
Glycosylation Resources
GlyTouCan:  G86851RC
GlyCosmos:  G86851RC
GlyGen:  G86851RC
Entity ID: 3
MoleculeChainsChain Length2D DiagramGlycosylation3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranoseN, P3N-Glycosylation Oligosaccharides Interaction
Glycosylation Resources
GlyTouCan:  G28454KX
GlyCosmos:  G28454KX
GlyGen:  G28454KX
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NAG (Subject of Investigation/LOI)
Query on NAG

Download Ideal Coordinates CCD File 
AA [auth D] , BA [auth D] , EA [auth E] , GA [auth F] , IA [auth G] , KA [auth H] , MA [auth I] , PA [auth K] , 
AA [auth D],  BA [auth D],  EA [auth E],  GA [auth F],  IA [auth G],  KA [auth H],  MA [auth I],  PA [auth K],  RA [auth L],  S [auth A],  T [auth A],  V [auth B],  X [auth C],  Z [auth D]
2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
 Ligand Interaction
FUC (Subject of Investigation/LOI)
Query on FUC

Download Ideal Coordinates CCD File 
CA [auth D]alpha-L-fucopyranose
C6 H12 O5
SHZGCJCMOBCMKK-SXUWKVJYSA-N
 Ligand Interaction
CA
Query on CA

Download Ideal Coordinates CCD File 
DA [auth E] , FA [auth F] , HA [auth G] , JA [auth H] , LA [auth I] , NA [auth J] , OA [auth K] , QA [auth L] , 
DA [auth E],  FA [auth F],  HA [auth G],  JA [auth H],  LA [auth I],  NA [auth J],  OA [auth K],  QA [auth L],  R [auth A],  U [auth B],  W [auth C],  Y [auth D]
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • R-Value Free: 0.262 
  • R-Value Work: 0.218 
  • R-Value Observed: 0.221 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 113.325α = 81.47
b = 113.331β = 81.55
c = 114.305γ = 67.72
Software Package:
Software NamePurpose
HKL-2000data collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

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Ligand Structure Quality Assessment  



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2012-09-26
    Type: Initial release
  • Version 1.1: 2012-10-10
    Changes: Database references
  • Version 1.2: 2012-11-28
    Changes: Database references
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Structure summary