6GQD

Structure of human galactose-1-phosphate uridylyltransferase (GALT), with crystallization epitope mutations A21Y:A22T:T23P:R25L

• PDB DOI: https://doi.org/10.2210/pdb6GQD/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2018-06-07 Released: 2018-07-18 
• Deposition Author(s): Fairhead, M., Strain-Damerell, C., Kopec, J., Bezerra, G.A., Zhang, M., Burgess-Brown, N., von Delft, F., Arrowsmith, C., Edwards, A., Bountra, C., Yue, W.W., Structural Genomics Consortium (SGC)
• Funding Organization(s): Wellcome Trust

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.52 Å
• R-Value Free: 0.188 
• R-Value Work: 0.162 
• R-Value Observed: 0.164 

Literature

Structure of human galactose-1-phosphate uridylyltransferase (GALT), with crystallization epitope mutations A21Y:A22T:T23P:R25L

Fairhead, M., Strain-Damerell, C., Kopec, J., Bezerra, G.A., Zhang, M., Burgess-Brown, N., von Delft, F., Arrowsmith, C., Edwards, A., Bountra, C., Yue, W.W.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: SAXS

Macromolecule Content

• Total Structure Weight: 44.1 kDa 
• Atom Count: 3,269 
• Modelled Residue Count: 344 
• Deposited Residue Count: 380 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galactose-1-phosphate uridylyltransferase	A	380	Homo sapiens	Mutation(s): 0  Gene Names: GALT EC: 2.7.7.12
UniProt & NIH Common Fund Data Resources
Find proteins for P07902 (Homo sapiens) Explore P07902  Go to UniProtKB:  P07902
PHAROS:  P07902 GTEx:  ENSG00000213930

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
H2U	E [auth A]	5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE C9 H15 N2 O9 P NBWDKGJHOHJBRJ-XVFCMESISA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
EDO	C [auth A], D [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.52 Å
• R-Value Free: 0.188 
• R-Value Work: 0.162 
• R-Value Observed: 0.164 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.647	α = 90
b = 96.748	β = 90
c = 55.426	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
xia2	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-07-18 
Deposition Author(s): Fairhead, M., Strain-Damerell, C., Kopec, J., Bezerra, G.A., Zhang, M., Burgess-Brown, N., von Delft, F., Arrowsmith, C., Edwards, A., Bountra, C., Yue, W.W., Structural Genomics Consortium (SGC)

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Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	106169/ZZ14/Z

Revision History  

• Version 1.0: 2018-07-18
  Type: Initial release
  
• Version 1.1: 2024-10-23
  Changes: Data collection, Database references, Structure summary