2C4A

Structure of Neuraminidase Subtype N9 Complexed with 30 MM Sialic Acid (NANA, NEU5AC), Crystal Soaked for 3 Hours at 291 K.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.205 
  • R-Value Work: 0.158 
  • R-Value Observed: 0.160 

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Ligand Structure Quality Assessment 


This is version 2.1 of the entry. See complete history


Literature

The Crystal Structure of Influenza Type a Virus Neuraminidase of the N6 Subtype at 1.85 A Resolution

Rudino-Pinera, E.Crennell, S.J.Webster, R.G.Laver, W.G.Garman, E.F.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
NEURAMINIDASE SUBTYPE N9388Influenza A virusMutation(s): 0 
EC: 3.2.1.18
UniProt
Find proteins for P03472 (Influenza A virus (strain A/Tern/Australia/G70C/1975 H11N9))
Explore P03472 
Go to UniProtKB:  P03472
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP03472
Sequence Annotations
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  • Reference Sequence
Oligosaccharides

Help

Entity ID: 2
MoleculeChains Length2D Diagram Glycosylation3D Interactions
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
B
9N-Glycosylation
Glycosylation Resources
GlyTouCan:  G68668TB
GlyCosmos:  G68668TB
GlyGen:  G68668TB
Entity ID: 3
MoleculeChains Length2D Diagram Glycosylation3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
C
2N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT
GlyCosmos:  G42666HT
GlyGen:  G42666HT
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Free: 0.205 
  • R-Value Work: 0.158 
  • R-Value Observed: 0.160 
  • Space Group: I 4 3 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 181.336α = 90
b = 181.336β = 90
c = 181.336γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2007-03-27
    Type: Initial release
  • Version 1.1: 2011-05-07
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2018-06-20
    Changes: Data collection, Structure summary
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Derived calculations, Other, Structure summary
  • Version 2.1: 2023-12-13
    Changes: Data collection, Database references, Refinement description, Structure summary