8Q6Q

Structure of human immunity related GTPase Q in complex with GABARAPL2.

• PDB DOI: https://doi.org/10.2210/pdb8Q6Q/pdb

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


• Deposited: 2023-08-14 Released: 2024-08-28 
• Deposition Author(s): Bailey, H.J., Misra, M., Pomirska, J., Dikic, I.
• Funding Organization(s): German Research Foundation (DFG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.222 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 

Literature

Structure of human immunity related GTPase Q in complex with GABARAPL2.

Bailey, H.J., Misra, M., Pomirska, J., Dikic, I.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Biological Assembly Evidence: mass spectrometry

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 66.57 kDa 
• Atom Count: 4,675 
• Modelled Residue Count: 570 
• Deposited Residue Count: 618 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Gamma-aminobutyric acid receptor-associated protein-like 2	A, C [auth B]	117	Homo sapiens	Mutation(s): 0  Gene Names: GABARAPL2, FLC3A, GEF2
UniProt & NIH Common Fund Data Resources
Find proteins for P60520 (Homo sapiens) Explore P60520  Go to UniProtKB:  P60520
PHAROS:  P60520 GTEx:  ENSG00000034713

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Immunity-related GTPase family Q protein	B [auth C], D	192	Homo sapiens	Mutation(s): 0  Gene Names: IRGQ
UniProt & NIH Common Fund Data Resources
Find proteins for Q8WZA9 (Homo sapiens) Explore Q8WZA9  Go to UniProtKB:  Q8WZA9
PHAROS:  Q8WZA9 GTEx:  ENSG00000167378

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	E [auth A], F [auth C], G [auth B], H [auth D]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.222 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.1	α = 60.56
b = 64.365	β = 80.88
c = 64.467	γ = 84.77

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-08-28 
Deposition Author(s): Bailey, H.J., Misra, M., Pomirska, J., Dikic, I.

---

Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	--

Revision History  

• Version 1.0: 2024-08-28
  Type: Initial release