9PV4 | pdb_00009pv4

MPER-GT12 immunogen in complex with human Fab 10E8 and mouse Fab W6-10

• PDB DOI: https://doi.org/10.2210/pdb9PV4/pdb
• EM Map EMD-71882: EMDB EMDataResource

• Classification: VIRAL PROTEIN/IMMUNE SYSTEM
• Organism(s): Mus musculus, synthetic construct, Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2025-08-01 Released: 2025-12-10 
• Deposition Author(s): Huang, J., Ward, A.B.
• Funding Organization(s): Bill & Melinda Gates Foundation, National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Decipher antibody responses primed with scaffolds harboring the germline-targeting HIV Env MPER epitope by cryoEM

Huang, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 5-mer - A1B1C1D1E1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 5-mer - A4B1 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 70.09 kDa 
• Atom Count: 4,831 
• Modeled Residue Count: 616 
• Deposited Residue Count: 632 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
W6-10 mouse Fab heavy chain	A	119	Mus musculus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
W6-10 mouse Fab light chain	B	107	Mus musculus	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
10E8-GT12 immunogen	C	166	synthetic construct	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
10E8 human Fab heavy chain	D [auth H]	131	Homo sapiens	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
10E8 human Fab light chain	E [auth L]	109	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	F [auth C]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-12-10 
Deposition Author(s): Huang, J., Ward, A.B.

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Funding Organization	Location	Grant Number
Bill & Melinda Gates Foundation	United States	INV-002916
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	UM1 AI144462

Revision History  

• Version 1.0: 2025-12-10
  Type: Initial release