GL1X · GenesisL1 explorer

MolNFT v1 · #171751 · protein

Structure of human galactokinase in complex with galactose and 2'- (BENZO[D]OXAZOL-2-ylamino)-7',8'-dihydro-1'H-SPIRO[CYCLOPENTANE-1,4'- quinazolin]-5'(6'H)-one

6ZFH: “Structure of human galactokinase in complex with galactose and 2'…”. X-ray diffraction, 2 ligands (QV2, GAL), 20 pockets (best druggability 0.80). MolNFT v1 #171751 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
6ZFH
Type
protein
Length
3,074 residues
Chains
8
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Galactokinase
EC
2.7.1.6
UniProt
P51570
Ligands
QV2, GAL
Pockets
20 · best druggability 0.80

Structure

x-ray diffraction · 8 distinct chains · 42% helix, 23% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AGalactokinase (EC 2.7.1.6)protein38642% helix, 22% strandP51570
BGalactokinase (EC 2.7.1.6)protein38642% helix, 23% strandP51570
CGalactokinase (EC 2.7.1.6)protein38842% helix, 22% strandP51570
DGalactokinase (EC 2.7.1.6)protein38542% helix, 23% strandP51570
EGalactokinase (EC 2.7.1.6)protein38642% helix, 23% strandP51570
FGalactokinase (EC 2.7.1.6)protein38442% helix, 23% strandP51570
GGalactokinase (EC 2.7.1.6)protein38343% helix, 22% strandP51570
HGalactokinase (EC 2.7.1.6)protein37643% helix, 23% strandP51570

Ligands and binding sites

  • QV2 · 2-(1,3-benzoxazol-2-ylamino)spiro[1,6,7,8-tetrahydroquinazoline-4,1'-cyclopentane]-5-one · ligand · 7 copies · chains A, B, C, D, E, F, G
  • GAL · beta-D-galactopyranose · sugar · 8 copies · chains A, B, C, D, E, F, G, 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, 13 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18340.800.8362empty
29890.780.8090empty
34470.750.8456GAL, QV2
43930.740.8452GAL, QV2
53770.730.8456GAL, QV2

Interfaces

11 interfaces between chains.

  • A–C · 835 Ų buried · 6 hydrogen bonds · protein-protein
  • B–D · 700 Ų buried · 8 hydrogen bonds · protein-protein
  • A–G · 596 Ų buried · 8 hydrogen bonds · protein-protein
  • E–F · 345 Ų buried · 8 hydrogen bonds · protein-protein
  • B–E · 261 Ų buried · 2 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 2 disulfide (disulfide).

Compared structures

  • 6ZFH · Structure of human galactokinase in complex with galactose and… · the same entry in another collection · chain H against H, TM-score 1.00
  • P51570 · AlphaFold monomer V2.0 prediction for galactokinase (P51570) · a predicted model of the same protein · chain A against A, TM-score 1.00

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