4BQM

Crystal structure of human liver-type glutaminase, catalytic domain

• PDB DOI: https://doi.org/10.2210/pdb4BQM/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-05-31 Released: 2013-07-10 
• Deposition Author(s): Ferreira, I.M., Vollmar, M., Krojer, T., Strain-Damerell, C., Froese, S., Coutandin, D., Williams, E., Burgess-Brown, N., von Delft, F., Arrowsmith, C.H., Bountra, C., Edwards, A., Dias, S.M.G., Ambrosio, A.L.B., Yue, W.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.18 Å
• R-Value Free: 0.203 
• R-Value Work: 0.177 
• R-Value Observed: 0.178 

Starting Model: experimental

Literature

Crystal Structure of Human Liver-Type Glutaminase, Catalytic Domain

Ferreira, I.M., Vollmar, M., Krojer, T., Strain-Damerell, C., Froese, S., Coutandin, D., Williams, E., Burgess-Brown, N., von Delft, F., Arrowsmith, C.H., Bountra, C., Edwards, A., Dias, S.M.G., Ambrosio, A.L.B., Yue, W.W.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content

• Total Structure Weight: 77.33 kDa 
• Atom Count: 4,761 
• Modelled Residue Count: 610 
• Deposited Residue Count: 698 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GLUTAMINASE LIVER ISOFORM, MITOCHONDRIAL	A, B	349	Homo sapiens	Mutation(s): 0  EC: 3.5.1.2
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UI32 (Homo sapiens) Explore Q9UI32  Go to UniProtKB:  Q9UI32
PHAROS:  Q9UI32 GTEx:  ENSG00000135423

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	C [auth A], D [auth A], E [auth A], G [auth B], H [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	F [auth A], I [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.18 Å
• R-Value Free: 0.203 
• R-Value Work: 0.177 
• R-Value Observed: 0.178 
• Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 203.613	α = 90
b = 203.613	β = 90
c = 98.965	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-07-10 
Deposition Author(s): Ferreira, I.M., Vollmar, M., Krojer, T., Strain-Damerell, C., Froese, S., Coutandin, D., Williams, E., Burgess-Brown, N., von Delft, F., Arrowsmith, C.H., Bountra, C., Edwards, A., Dias, S.M.G., Ambrosio, A.L.B., Yue, W.W.

Revision History  

• Version 1.0: 2013-07-10
  Type: Initial release
  
• Version 1.1: 2018-01-24
  Changes: Database references
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description