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Complex structure of bat CD26 and MERS-rbd

Analyse Complex structure of bat CD26 and MERS-rbd in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6L8Q
Type
protein
Length
3,728 residues
Chains
8
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Dipeptidyl peptidase 4; Spike glycoprotein
UniProt
L5LQ33, A0A0A0Q7F3
Ligands
NAG, BMA
Pockets
20 · best druggability 0.85

Structure

x-ray diffraction · 2 distinct chains · 17% helix, 37% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, C, E, GDipeptidyl peptidase 4protein72418% helix, 37% strandL5LQ33
B, D, F, HSpike glycoproteinprotein20816% helix, 35% strandA0A0A0Q7F3

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 45 copies · chains A, B, C, D, E, F, G, H
  • BMA · beta-D-mannopyranose · sugar · 4 copies · chains B, D, F, H

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

Pockets

20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17410.850.88104empty
25490.830.8969empty
34280.820.9048empty
42100.780.9228empty
59540.730.77106empty

Interfaces

15 interfaces between chains.

  • A–B · 935 Ų buried · 10 hydrogen bonds · protein-protein
  • E–F · 929 Ų buried · 10 hydrogen bonds · protein-protein
  • C–D · 911 Ų buried · 10 hydrogen bonds · protein-protein
  • G–H · 872 Ų buried · 9 hydrogen bonds · protein-protein
  • D–F · 781 Ų buried · 3 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 36 disulfide, 28 glycan (disulfide, N-glycosylation).

Compared structures

  • 6L8Q · Complex structure of bat CD26 and MERS-RBD · the same entry in another collection · chain D against D, TM-score 1.00

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