4CQW

H5 (tyTy) Del133/Ile155Thr Mutant Haemagglutinin in Complex with Avian Receptor Analogue 3'SLN

• PDB DOI: https://doi.org/10.2210/pdb4CQW/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Influenza A virus (A/turkey/Turkey/1/2005(H5N1))
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2014-02-21 Released: 2014-05-28 
• Deposition Author(s): Xiong, X., Xiao, H., Martin, S.R., Coombs, P.J., Liu, J., Collins, P.J., Vachieri, S.G., Walker, P.A., Lin, Y.P., McCauley, J.W., Gamblin, S.J., Skehel, J.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.238 
• R-Value Work: 0.196 
• R-Value Observed: 0.198 

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 

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

Macromolecule Content

• Total Structure Weight: 172.52 kDa 
• Atom Count: 12,709 
• Modelled Residue Count: 1,457 
• Deposited Residue Count: 1,479 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HAEMAGGLUTININ HA1	A, C, E	327	Influenza A virus (A/turkey/Turkey/1/2005(H5N1))	Mutation(s): 1
UniProt
Find proteins for Q207Z6 (Influenza A virus) Explore Q207Z6  Go to UniProtKB:  Q207Z6

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
HAEMAGGLUTININ HA2	B, D, F	166	Influenza A virus (A/turkey/Turkey/1/2005(H5N1))	Mutation(s): 0
UniProt
Find proteins for Q207Z6 (Influenza A virus) Explore Q207Z6  Go to UniProtKB:  Q207Z6

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	G, H, I	3		N/A
Glycosylation Resources
GlyTouCan:  G00065MO GlyCosmos:  G00065MO GlyGen:  G00065MO

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	J [auth A], K [auth A], L [auth A], N [auth C], O [auth C], P [auth C], Q [auth E], R [auth E], S [auth E]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
PO4	M [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 3
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900067	G, H, I	3'-sialyl-N-acetyllactosamine	Oligosaccharide / Substrate analog

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.238 
• R-Value Work: 0.196 
• R-Value Observed: 0.198 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.635	α = 90
b = 117.552	β = 92.5
c = 101.16	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
xia2	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-05-28 
Deposition Author(s): Xiong, X., Xiao, H., Martin, S.R., Coombs, P.J., Liu, J., Collins, P.J., Vachieri, S.G., Walker, P.A., Lin, Y.P., McCauley, J.W., Gamblin, S.J., Skehel, J.J.

Revision History  

• Version 1.0: 2014-05-28
  Type: Initial release
  
• Version 1.1: 2014-06-11
  Changes: Database references
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Other, Structure summary
• Version 2.1: 2023-12-20
  Changes: Data collection, Database references, Refinement description, Structure summary