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Crystal structure of the drosophila epidermal growth factor receptor ectodomain in complex with spitz

Analyse Crystal structure of the drosophila epidermal growth factor receptor ectodomain… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
3LTF
Type
protein
Length
1,167 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Epidermal growth factor receptor; Protein spitz
EC
2.7.10.-
UniProt
P04412, Q01083
Ligands
NAG, MAN
Pockets
14 · best druggability 0.78

Structure

x-ray diffraction · 3 distinct chains · 11% helix, 29% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AEpidermal growth factor receptor (EC 2.7.10.-)protein52212% helix, 28% strandP04412
CEpidermal growth factor receptor (EC 2.7.10.-)protein5319% helix, 29% strandP04412
D, BProtein spitzprotein5711% helix, 35% strandQ01083

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 9 copies · chains A, C
  • MAN · alpha-D-mannopyranose · sugar · 6 copies · chains A, C
  • MLI · Malonate ion · additive · chains A

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

14 pockets found on a 1 Å grid, 5 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
111350.780.80100empty
211440.760.7995empty
310110.730.7697empty
42390.650.8337empty
51530.500.7824empty

Interfaces

3 interfaces between chains.

  • C–D · 2104 Ų buried · 25 hydrogen bonds · protein-protein
  • A–B · 1927 Ų buried · 28 hydrogen bonds · protein-protein
  • A–C · 1790 Ų buried · 26 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 47 disulfide, 6 glycan (disulfide, N-glycosylation).

Compared structures

  • 3LTF · Crystal Structure of the Drosophila Epidermal Growth Factor Receptor ectodomain in… · the same entry in another collection · chain A against A, TM-score 1.00
  • Q01083 · AlphaFold monomer V2.0 prediction for protein spitz (Q01083) · a predicted model of the same protein · chain D against A, TM-score 0.90
  • P04412 · AlphaFold monomer V2.0 prediction for epidermal growth factor receptor (P04412) · a predicted model of the same protein · chain A against A, TM-score 0.63

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