GL1X · GenesisL1 explorer

MolNFT v1 · #97168 · protein

Recognition of the bg-H antigen by a lamprey variable lymphocyte receptor

4K5U: “Recognition of the bg-H antigen by a lamprey variable lymphocyte receptor”. X-ray diffraction, 1 ligand (GAL), 7 pockets (best druggability 0.74). MolNFT v1 #97168 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
4K5U
Type
protein
Length
870 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Variable lymphocyte receptor
UniProt
K0IE77
Ligands
GAL
Pockets
7 · best druggability 0.74

Structure

x-ray diffraction · 2 distinct chains · 10% helix, 16% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
B, AVariable lymphocyte receptorprotein21810% helix, 16% strandK0IE77
C, DVariable lymphocyte receptorprotein21710% helix, 16% strandK0IE77

Ligands and binding sites

  • GAL · beta-D-galactopyranose · sugar · 4 copies · chains B, A, C, D

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

Pockets

7 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
16620.740.8068GAL
25200.710.8059GAL
32350.560.7943empty
4540.430.8316GAL
51100.420.7717empty

Interfaces

6 interfaces between chains.

  • A–D · 823 Ų buried · 12 hydrogen bonds · protein-protein
  • B–C · 805 Ų buried · 12 hydrogen bonds · protein-protein
  • C–D · 417 Ų buried · 9 hydrogen bonds · protein-protein
  • B–A · 416 Ų buried · 7 hydrogen bonds · protein-protein
  • B–D · 173 Ų buried · 2 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 20 disulfide (disulfide).

Compared structures

  • 4K5U · Recognition of the BG-H Antigen by a Lamprey Variable Lymphocyte Receptor · the same entry in another collection · chain B against B, TM-score 1.00

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