7MEM

CryoEM structure of monoclonal Fab 045-09 2B05 binding the lateral patch of influenza virus H1 HA

• PDB DOI: https://doi.org/10.2210/pdb7MEM/pdb
• EM Map EMD-23792: EMDB EMDataResource

• Classification: Viral protein/IMMUNE SYSTEM
• Organism(s): Influenza A virus (A/California/04/2009(H1N1)), Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2021-04-06 Released: 2021-07-28 
• Deposition Author(s): Han, J., Ward, 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: ELECTRON MICROSCOPY
• Resolution: 3.20 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 12-mer - A3B3C3D3 Pseudo Symmetry: Cyclic - C3  (Explore in 3D)
Pseudo Stoichiometry: Hetero 12-mer - A6B3C3 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 247.33 kDa 
• Atom Count: 16,854 
• Modelled Residue Count: 2,124 
• Deposited Residue Count: 2,196 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin HA1 chain	A [auth E], E [auth C], I [auth F]	331	Influenza A virus (A/California/04/2009(H1N1))	Mutation(s): 0  Gene Names: HA
UniProt
Find proteins for C3W5S1 (Influenza A virus (strain swl A/California/04/2009 H1N1)) Explore C3W5S1  Go to UniProtKB:  C3W5S1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Light chain of monoclonal antibody 045-09 2B05	B [auth L], F [auth J], J [auth K]	107	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Heavy chain of monoclonal antibody 045-09 2B05	C [auth H], G, K [auth I]	120	Homo sapiens	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin HA2 chain	D, H [auth A], L [auth B]	174	Influenza A virus (A/California/04/2009(H1N1))	Mutation(s): 1  Gene Names: HA
UniProt
Find proteins for C3W5S1 (Influenza A virus (strain swl A/California/04/2009 H1N1)) Explore C3W5S1  Go to UniProtKB:  C3W5S1

Oligosaccharides

Help

Entity ID: 5
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose	M, O, Q	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G86851RC GlyCosmos:  G86851RC GlyGen:  G86851RC

Entity ID: 6
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	N, P, R	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	S [auth E], T [auth E], U [auth C], V [auth C], W [auth F], X [auth F]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.20 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	2

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-07-28 
Deposition Author(s): Han, J., Ward, 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	75N93019C00051

Revision History  

• Version 1.0: 2021-07-28
  Type: Initial release