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Integrin ALPHA2 I domain E318W-collagen complex

Analyse Integrin ALPHA2 I domain E318W-collagen complex in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4BJ3
Type
protein
Length
416 residues
Chains
5
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Integrin alpha-2; Gfoger peptide
UniProt
P17301
Ligands
MG, CL
Pockets
4 · best druggability 0.64

Structure

x-ray diffraction · 3 distinct chains · 33% helix, 20% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AIntegrin alpha-2protein18336% helix, 21% strandP17301
BIntegrin alpha-2protein17934% helix, 20% strandP17301
C, D, EGfoger peptideprotein180% helix, 0% strand—

Ligands and binding sites

  • MG · Magnesium ion · metal · 2 copies · chains A, E, B, C
  • CL · Chloride ion · ion · chains A
  • BTB · 2-[bis-(2-hydroxy-ethyl)-amino]-2-hydroxymethyl-propane-1,3-diol · additive · chains B, C, E

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15480.640.7641empty
2720.410.7816empty
3810.390.7815empty
4860.360.7520empty

Interfaces

10 interfaces between chains.

  • D–E · 590 Ų buried · 6 hydrogen bonds · protein-protein
  • C–D · 580 Ų buried · 6 hydrogen bonds · protein-protein
  • C–E · 527 Ų buried · 7 hydrogen bonds · protein-protein
  • B–C · 345 Ų buried · 8 hydrogen bonds · protein-protein
  • A–E · 328 Ų buried · 8 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 15 modified (hydroxylation).

Compared structures

  • 4BJ3 · Integrin alpha2 I domain E318W-collagen complex · the same entry in another collection · chain A against A, TM-score 1.00
  • P17301 · AlphaFold monomer V2.0 prediction for integrin alpha-2 (P17301) · a predicted model of the same protein · chain B against A, TM-score 0.94

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