9COE | pdb_00009coe

Structure of the full-length Measles virus Fusion protein E170G E455G in the pre-fusion conformation in nanodisc

• PDB DOI: https://doi.org/10.2210/pdb9COE/pdb
• EM Map EMD-45777: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Measles virus strain Ichinose-B95a
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2024-07-16 Released: 2026-01-21 
• Deposition Author(s): Zyla, D., Saphire, E.O.
• Funding Organization(s): Swiss National Science Foundation, National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS), National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.45 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental

Literature

Full-length soluble measles fusion glycoprotein as a new subunit vaccine strategy

Zyla, D., Saphire, E.O.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 192.22 kDa 
• Atom Count: 10,762 
• Modeled Residue Count: 1,356 
• Deposited Residue Count: 1,752 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fusion glycoprotein F2	A, C, E	112	Measles virus strain Ichinose-B95a	Mutation(s): 0
UniProt
Find proteins for Q786F3 (Measles virus (strain Ichinose-B95a)) Explore Q786F3  Go to UniProtKB:  Q786F3
Glycosylation
Glycosylation Sites: 3

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Fusion glycoprotein F1	B, D, F	472	Measles virus strain Ichinose-B95a	Mutation(s): 2
UniProt
Find proteins for Q786F3 (Measles virus (strain Ichinose-B95a)) Explore Q786F3  Go to UniProtKB:  Q786F3

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	G, J, M	2		N-Glycosylation

Entity ID: 4
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	H, K, N	3		N-Glycosylation

Entity ID: 5
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose	I, L, O	2		N-Glycosylation

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.45 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	v4.3
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-01-21 
Deposition Author(s): Zyla, D., Saphire, E.O.

---

Funding Organization	Location	Grant Number
Swiss National Science Foundation	Switzerland	P2EZP3_195680
Swiss National Science Foundation	Switzerland	P500PB_210992
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)	United States	NS105699
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)	United States	NS091263
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	AI176833

Revision History  

• Version 1.0: 2026-01-21
  Type: Initial release