34CV | pdb_000034cv

Homo sapiens Eukaryotic translation initiation factor 4E (eIF4E) in complex with synthetic mRNA cap analogs

• PDB DOI: https://doi.org/10.2210/pdb34CV/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli B
• Mutation(s): No 


• Deposited: 2026-09-08 Released: 2026-10-14 
• Deposition Author(s): Schneider, S., Schwarz, A.
• Funding Organization(s): Other private

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 
  0.284 (Depositor), 0.294 (DCC) 
• R-Value Work: 
  0.247 (Depositor), 0.258 (DCC) 
• R-Value Observed: 
  0.249 (Depositor) 

Starting Model: experimental

Literature

Structural basis of eIF4E recognition of synthetic mRNA 5′ cap analogues links cap architecture to affinity and biological activity

Schneider, S., Moreno, S., Thran, M., Schwarz, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 92.85 kDa 
• Atom Count: 6,413 
• Modeled Residue Count: 723 
• Deposited Residue Count: 772 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Eukaryotic translation initiation factor 4E	A, B, C, D	193	Homo sapiens	Mutation(s): 0  Gene Names: EIF4E, EIF4EL1, EIF4F
UniProt & NIH Common Fund Data Resources
Find proteins for P06730 (Homo sapiens) Explore P06730  Go to UniProtKB:  P06730
PHAROS:  P06730 GTEx:  ENSG00000151247

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1KQZ (Subject of Investigation/LOI)	E [auth A], F [auth B], H [auth C], I [auth D]	[2-[2-(2-azanyl-7-methyl-6-oxidanylidene-1~{H}-purin-9-yl)ethoxy]ethoxy-oxidanyl-phosphoryl] [[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] hydrogen phosphate C20 H30 N10 O16 P3 LOPPNOXDOXVDOM-ACDAHVMNSA-N
K	G [auth B]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free:  0.284 (Depositor), 0.294 (DCC) 
• R-Value Work:  0.247 (Depositor), 0.258 (DCC) 
• R-Value Observed: 0.249 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 38.06	α = 84.37
b = 38.109	β = 88.48
c = 146.62	γ = 77.01

Software Package:

Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-10-14 
Deposition Author(s): Schneider, S., Schwarz, A.

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Funding Organization	Location	Grant Number
Other private	Germany	--

Revision History  

• Version 1.0: 2026-10-14
  Type: Initial release