4ZCJ

Crystal structure of the A/Hong Kong/1/1968 (H3N2) influenza virus hemagglutinin HA1 Cys30, HA2 Cys47 mutant

• PDB DOI: https://doi.org/10.2210/pdb4ZCJ/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Influenza A virus (A/Hong Kong/1/1968(H3N2))
• Expression System: Trichoplusia ni
• Mutation(s): Yes 


• Deposited: 2015-04-16 Released: 2015-05-13 
• Deposition Author(s): Lee, P.S., Wilson, I.A.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.275 
• R-Value Work: 0.247 
• R-Value Observed: 0.249 

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: 169.16 kDa 
• Atom Count: 11,582 
• Modelled Residue Count: 1,462 
• Deposited Residue Count: 1,497 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin	A, C, E	323	Influenza A virus (A/Hong Kong/1/1968(H3N2))	Mutation(s): 1  Gene Names: HA
UniProt
Find proteins for Q91MA7 (Influenza A virus (strain A/Hong Kong/1/1968 H3N2)) Explore Q91MA7  Go to UniProtKB:  Q91MA7

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin	B, D, F	176	Influenza A virus (A/Hong Kong/1/1968(H3N2))	Mutation(s): 1  Gene Names: HA
UniProt
Find proteins for Q91MA7 (Influenza A virus (strain A/Hong Kong/1/1968 H3N2)) Explore Q91MA7  Go to UniProtKB:  Q91MA7

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	G	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE GlyCosmos:  G15407YE GlyGen:  G15407YE

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	H	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	I [auth A], J [auth A], K [auth C], L [auth E], M [auth E]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.275 
• R-Value Work: 0.247 
• R-Value Observed: 0.249 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.441	α = 90
b = 117.264	β = 90
c = 234.934	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2015-05-13 
Deposition Author(s): Lee, P.S., Wilson, I.A.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R56 AI099275

Revision History  

• Version 1.0: 2015-05-13
  Type: Initial release
  
• Version 1.1: 2015-07-01
  Changes: Database references
• Version 1.2: 2017-09-27
  Changes: Author supporting evidence, Database references, Derived calculations, Source and taxonomy, Structure summary
• Version 1.3: 2019-12-11
  Changes: Author supporting evidence
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-09-27
  Changes: Data collection, Database references, Refinement description, Structure summary