6QJE | pdb_00006qje

Structure of human galactokinase 1 bound with 4-{[2-(Methylsulfonyl)-1H-imidazol-1-yl]methyl}-1,3-thiazole

• PDB DOI: https://doi.org/10.2210/pdb6QJE/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2019-01-24 Released: 2019-02-27 
• Deposition Author(s): Mackinnon, S.R., Bezerra, G.A., Zhang, M., Foster, W., Krojer, T., Brandao-Neto, J., Douangamath, A., Arrowsmith, C., Edwards, A., Bountra, C., Brennan, P., Lai, K., Yue, W.W.
• Funding Organization(s): Wellcome Trust

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 
  0.269 (Depositor), 0.272 (DCC) 
• R-Value Work: 
  0.217 (Depositor), 0.224 (DCC) 
• R-Value Observed: 
  0.220 (Depositor) 

Starting Model: experimental

Literature

Structure of human galactokinase 1 bound with 4-{[2-(Methylsulfonyl)-1H-imidazol-1-yl]methyl}-1,3-thiazole

Mackinnon, S.R., Bezerra, G.A., Zhang, M., Foster, W., Krojer, T., Brandao-Neto, J., Douangamath, A., Arrowsmith, C., Edwards, A., Bountra, C., Brennan, P., Lai, K., Yue, W.W.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: SAXS

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 171.26 kDa 
• Atom Count: 11,053 
• Modeled Residue Count: 1,518 
• Deposited Residue Count: 1,568 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galactokinase	A, B, C, D	392	Homo sapiens	Mutation(s): 2  Gene Names: GALK1, GALK EC: 2.7.1.6
UniProt & NIH Common Fund Data Resources
Find proteins for P51570 (Homo sapiens) Explore P51570  Go to UniProtKB:  P51570
PHAROS:  P51570 GTEx:  ENSG00000108479

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HFK	F [auth A], I [auth B], L [auth C]	2-(1,3-benzoxazol-2-ylamino)spiro[1,6,7,8-tetrahydroquinazoline-4,1'-cyclohexane]-5-one C20 H22 N4 O2 AZBGHUMVHJKFOO-UHFFFAOYSA-N
J4Q	G [auth A], J [auth B], N [auth D]	4-[(2-methylsulfonylimidazol-1-yl)methyl]-1,3-thiazole C8 H9 N3 O2 S2 DWPGGNJRLYKHCD-UHFFFAOYSA-N
GAL	E [auth A], H [auth B], K [auth C]	beta-D-galactopyranose C6 H12 O6 WQZGKKKJIJFFOK-FPRJBGLDSA-N
SO4	M [auth C]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free:  0.269 (Depositor), 0.272 (DCC) 
• R-Value Work:  0.217 (Depositor), 0.224 (DCC) 
• R-Value Observed: 0.220 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.703	α = 90
b = 114.873	β = 100.56
c = 121.044	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2019-02-27 
Deposition Author(s): Mackinnon, S.R., Bezerra, G.A., Zhang, M., Foster, W., Krojer, T., Brandao-Neto, J., Douangamath, A., Arrowsmith, C., Edwards, A., Bountra, C., Brennan, P., Lai, K., Yue, W.W.

---

Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	092809/Z/10/Z

Revision History  

• Version 1.0: 2019-02-27
  Type: Initial release
  
• Version 1.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.2: 2024-01-24
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 1.3: 2024-11-06
  Changes: Structure summary