4MWQ

Anhui N9-oseltamivir carboxylate

• PDB DOI: https://doi.org/10.2210/pdb4MWQ/pdb

• Classification: HYDROLASE
• Organism(s): Influenza A virus
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2013-09-25 Released: 2013-11-20 
• Deposition Author(s): Wu, Y., Qi, J.X., Gao, F., Gao, G.F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.171 
• R-Value Work: 0.150 
• R-Value Observed: 0.151 

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 45.88 kDa 
• Atom Count: 3,677 
• Modelled Residue Count: 388 
• Deposited Residue Count: 388 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Neuraminidase	A	388	Influenza A virus	Mutation(s): 0  Gene Names: NA
UniProt
Find proteins for A0A024E3Q2 (Influenza A virus) Explore A0A024E3Q2  Go to UniProtKB:  A0A024E3Q2

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D 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	9		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G68668TB GlyCosmos:  G68668TB GlyGen:  G68668TB

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
G39	F [auth A]	(3R,4R,5S)-4-(acetylamino)-5-amino-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylic acid C14 H24 N2 O4 NENPYTRHICXVCS-YNEHKIRRSA-N
NAG	C [auth A], D [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
CA	E [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
G39	Binding MOAD:  4MWQ	IC50: 0.79 (nM) from 1 assay(s)
	PDBBind:  4MWQ	IC50: 0.79 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.171 
• R-Value Work: 0.150 
• R-Value Observed: 0.151 
• Space Group: I 4 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 181.878	α = 90
b = 181.878	β = 90
c = 181.878	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-11-20 
Deposition Author(s): Wu, Y., Qi, J.X., Gao, F., Gao, G.F.

Revision History  

• Version 1.0: 2013-11-20
  Type: Initial release
  
• Version 1.1: 2013-12-18
  Changes: Database references
• Version 1.2: 2015-10-21
  Changes: Database references, Source and taxonomy
• Version 1.3: 2017-11-15
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary