4TPW: Eukaryotic translation initiation factor 4E

The co-complex structure of the translation initiation factor eIF4E with the inhibitor 4EGI-1 reveals an allosteric mechanism for dissociating eIF4G. Determined by X-ray diffraction at 1.5 Å resolution. Released 13 Aug 2014.

Method
X-ray diffraction
Resolution
1.5 Å
Organism
Homo sapiens
Chains
2
Atoms
3,653
Mol. weight
46.3 kDa
Ligands
MGP, 33R
Released
13 Aug 2014

Explore 4TPW in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4TPW contains 18 α-helices and 16 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 8 helices, 8 β-strands

ElementResiduesLengthSheet
β-strand38-49121
α-helix56-594
β-strand60-6891
α-helix69-8214
β-strand89-9571
β-strand111-11661
α-helix119-1224
α-helix126-13813
α-helix143-1486
β-strand149-15571
β-strand162-16761
α-helix173-18715
β-strand196-19941
α-helix200-2045
α-helix211-2133
β-strand215-21621
Chain B: 10 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand38-48112
α-helix56-594
β-strand60-6892
α-helix69-768
α-helix82-843
α-helix861
β-strand90-9562
β-strand111-11662
α-helix119-1246
α-helix126-13813
α-helix143-1486
β-strand149-15572
β-strand162-16762
α-helix173-18614
β-strand196-19942
α-helix200-2045
α-helix211-2133
β-strand215-21622

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Eukaryotic translation initiation factor 4EA, Bprotein191Homo sapiensP06730 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>4TPW_1 Eukaryotic translation initiation factor 4E (chains A, B)
MVANPEHYIKHPLQNRWALWFFKNDKSKTWQANLRLISKFDTVEDFWALYNHIQLSSNLM
PGCDYSLFKDGIEPMWEDEKNKRGGRWLITLNKQQRRSDLDRFWLETLLCLIGESFDDYS
DDVCGAVVNVRAKGDKIAIWTTECENREAVTHIGRVYKERLGLPPKIVIGYQSHADTATK
SGSTTKNRFVV

Ligands and cofactors

IDNameFormulaCopies
MGP7-methyl-guanosine-5'-triphosphateC11 H19 N5 O14 P32
33R(2E)-2-{2-[(4P)-4-(3,4-dichlorophenyl)-1,3-thiazol-2-yl]hydrazinylidene}-3-(2-n…C18 H12 Cl2 N4 O4 S1

Water and common crystallization additives (MES) are not listed.

Primary citation

Structure of the eukaryotic translation initiation factor eIF4E in complex with 4EGI-1 reveals an allosteric mechanism for dissociating eIF4G. Papadopoulos, E., Jenni, S., Kabha, E. et al. Proc Natl Acad Sci U S A (2014) 111:E3187-E3195. DOI 10.1073/pnas.1410250111 · PubMed

Other PDB entries of the same protein (UniProt P06730 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 4TPW directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.