9ZRU | pdb_00009zru

Cryo-EM structure of Croatia 2023 H3N2 Influenza A hemagglutinin (HA) trimer


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.55 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

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This is version 1.1 of the entry. See complete history

Literature

Cryo-EM structure of Croatia 2023 H3N2 Influenza A hemagglutinin trimer

Kanai, T.Gorman, J.

To be published.

Macromolecule Content 

  • Total Structure Weight: 213.76 kDa 
  • Atom Count: 13,209 
  • Modeled Residue Count: 1,500 
  • Deposited Residue Count: 1,716 
  • Unique protein chains: 2

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
HA1A,
C [auth B],
E [auth C]
334Influenza A virusMutation(s): 0 
Gene Names: HA
UniProt
Find proteins for A0A8K2AP79 (Influenza A virus)
Explore A0A8K2AP79 
Go to UniProtKB:  A0A8K2AP79
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupA0A8K2AP79
Glycosylation
Glycosylation Sites: 11
Sequence Annotations
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Reference Sequence
Find similar proteins by:|  3D Structure
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
HA2B [auth a],
D [auth b],
F [auth c]
238Influenza A virusMutation(s): 0 
Gene Names: HA
UniProt
Find proteins for A0A5B8WI41 (Influenza A virus)
Explore A0A5B8WI41 
Go to UniProtKB:  A0A5B8WI41
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupA0A5B8WI41
Glycosylation
Glycosylation Sites: 1
Sequence Annotations
Expand
Reference Sequence

Oligosaccharides

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Entity ID: 3
MoleculeChains Length2D Diagram GlycosylationD Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
AA [auth X],
DA [auth d],
FA [auth f],
G [auth D],
J [auth G],
AA [auth X],
DA [auth d],
FA [auth f],
G [auth D],
J [auth G],
L [auth I],
Q [auth N],
T [auth Q],
V [auth S]
2N-Glycosylation
Glycosylation Resources
GlyTouCan: G42666HT
GlyCosmos: G42666HT
GlyGen: G42666HT
Entity ID: 4
MoleculeChains Length2D Diagram GlycosylationD Interactions
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-glucopyranoseBA [auth Y],
H [auth E],
R [auth O]
4N-Glycosylation
Glycosylation Resources
GlyTouCan: G22573RC
GlyCosmos: G22573RC
GlyGen: G22573RC
Entity ID: 5
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-D-mannopyranose-(1-3)-[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-glucopyranoseCA [auth Z],
I [auth F],
S [auth P]
5N-Glycosylation
Glycosylation Resources
GlyTouCan: G22768VO
GlyCosmos: G22768VO
GlyGen: G22768VO
Entity ID: 6
MoleculeChains Length2D Diagram GlycosylationD Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
EA [auth e],
GA [auth g],
IA [auth i],
K [auth H],
M [auth J],
EA [auth e],
GA [auth g],
IA [auth i],
K [auth H],
M [auth J],
O [auth L],
U [auth R],
W [auth T],
Y [auth V]
3N-Glycosylation
Glycosylation Resources
GlyTouCan: G15407YE
GlyCosmos: G15407YE
GlyGen: G15407YE
Entity ID: 7
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranoseHA [auth h],
N [auth K],
X [auth U]
4N-Glycosylation
Glycosylation Resources
GlyTouCan: G81315DD
GlyCosmos: G81315DD
GlyGen: G81315DD
Entity ID: 8
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranoseJA [auth j],
P [auth M],
Z [auth W]
7N-Glycosylation
Glycosylation Resources
GlyTouCan: G55220VL
GlyCosmos: G55220VL
GlyGen: G55220VL

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.55 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX1.21.2_5419
RECONSTRUCTIONcryoSPARC

Structure Validation

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Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Other governmentUnited StatesZ01 BK 05021-01 LDV

Revision History  (Full details and data files)

  • Version 1.0: 2025-12-31
    Type: Initial release
  • Version 1.1: 2026-01-14
    Changes: Data collection